https://reefguide.orgA Guide To The Tropical Reefsen-usSun, 09 Aug 2026 18:54:47 -0400https://reefguide.org/africanpompano.htmlhttps://reefguide.org/africanpompano.html
African Pompano
Scientific Name: Alectis ciliaris
Order: Carangiformes
Family: Carangidae (Jacks)
Category: Jacks
Size: Up to 3 ft. (120 cm)
Depth: 0-300 ft. (0-90 m)
Distribution: Circumtropical
]]>Sun, 09 Aug 2026 18:35:21 -0400https://reefguide.org/hypoatherinaharringtonensis.htmlhttps://reefguide.org/hypoatherinaharringtonensis.html
Reef Silverside
Scientific Name: Hypoatherina harringtonensis
Order: Atheriniformes (Silversides)
Family: Atherinomoridae
Category: Silversides
Size: Up to 4 in. (10 cm)
Distribution: Bermuda, Caribbean, Florida, Brazil
]]>Sat, 08 Aug 2026 21:50:05 -0400https://reefguide.org/felimarepicta.htmlhttps://reefguide.org/felimarepicta.html
Regal Sea Goddess
Scientific Name: Felimare picta
Order: Doridida
Family: Chromodorididae
Category: Dorid Nudibranchs
Size: Up to 5 in. (13 cm)
Depth: 6-130 ft. (2-40 m)
Distribution: Florida, Gulf of America
]]>Sat, 08 Aug 2026 21:10:45 -0400https://reefguide.org/dolphin.htmlhttps://reefguide.org/dolphin.html
Common Bottlenose Dolphin
Scientific Name: Tursiops truncatus
Order: Cetartiodactyla
Family: Delphinidae (Oceanic Dolphins)
Category: Oceanic Dolphins
Size: 5 to 12 ft.
Distribution: Warm and temperate seas worldwide
]]>Thu, 06 Aug 2026 20:50:56 -0400https://reefguide.org/stenellafrontalis.htmlhttps://reefguide.org/stenellafrontalis.html
Atlantic Spotted Dolphin
Scientific Name: Stenella frontalis
Order: Cetartiodactyla
Family: Delphinidae (Oceanic Dolphins)
Category: Oceanic Dolphins
Size: Up to 7 ft (2.2 m)
Depth: 0-200 ft. (0-60 m)
Distribution: Atlantic Ocean, Caribbean, Gulf of America, Bermuda, Bahamas, Florida
]]>Thu, 06 Aug 2026 20:48:38 -0400https://reefguide.org/humpbackwhale.htmlhttps://reefguide.org/humpbackwhale.html
Humpback Whale
Scientific Name: Megaptera novaeangliae
Order: Cetartiodactyla
Family: Balaenopteridae (Rorquals)
Category: Baleen Whales
Size: Up to 56 ft. (17 m)
Depth: 0-2000 ft. (0-610 m)
Distribution: Circumtropical
]]>Sun, 19 Jul 2026 18:14:08 -0400https://reefguide.org/dermochelyscoriacea.htmlhttps://reefguide.org/dermochelyscoriacea.html
Leatherback Sea Turtle
Scientific Name: Dermochelys coriacea
Order: Testudines (Turtles)
Family: Dermochelyidae
Category: Sea Turtles
Size: Up to 8 ft. (2.7 m)
Depth: 0-1000 ft. (0-305 m)
Distribution: Circumtropical
]]>Sun, 19 Jul 2026 14:40:16 -0400https://reefguide.org/phoronopsiscalifornica.htmlhttps://reefguide.org/phoronopsiscalifornica.html
California Horseshoe Worm
Scientific Name: Phoronopsis californica
Family: Phoronidae
Category: Horseshoe Worms
Size: Up to 1.5 in. (4 cm)
Distribution: California, Indonesia, Florida, Philippines
]]>Sun, 12 Jul 2026 22:43:54 -0400https://reefguide.org/carcharhinuslimbatus.htmlhttps://reefguide.org/carcharhinuslimbatus.html
Common Blacktip Shark
Scientific Name: Carcharhinus limbatus
Order: Carcharhiniformes (Ground Sharks)
Family: Carcharhinidae (Requiem Sharks)
Category: Requiem Sharks
Size: Up to 5 ft. (1.5 m)
Depth: 0-150 ft. (0-45 m)
Distribution: Circumtropical
]]>Sun, 12 Jul 2026 16:05:33 -0400https://reefguide.org/scallopedhammerhead.htmlhttps://reefguide.org/scallopedhammerhead.html
Scalloped Hammerhead Shark
Scientific Name: Sphyrna lewini
Order: Carcharhiniformes (Ground Sharks)
Family: Sphyrnidae (Hammerhead Sharks)
Category: Hammerhead Sharks
Size: Up to 6 ft. (1.8 m)
Depth: 3-1600 ft. (1-488 m)
Distribution: Circumtropical
]]>Sun, 12 Jul 2026 16:00:13 -0400https://reefguide.org/tigershark.htmlhttps://reefguide.org/tigershark.html
Tiger Shark
Scientific Name: Galeocerdo cuvier
Order: Carcharhiniformes (Ground Sharks)
Family: Galeocerdonidae (Tiger Sharks)
Category: Tiger Sharks
Size: Up to 16 ft. (5 m)
Depth: 3-3000 ft. (1-914 m)
Distribution: Circumtropical
]]>Sun, 12 Jul 2026 15:59:25 -0400https://reefguide.org/pseudocerossp2.htmlhttps://reefguide.org/pseudocerossp2.html
Pseudobiceros damawan
Scientific Name: Pseudobiceros damawan
Order: Polycladida (Polyclad Flatworms)
Family: Pseudocerotidae
Category: Polyclad Flatworms
Distribution: Fiji, Micronesia, Indonesia, Philippines, New Caledonia
]]>Sat, 11 Jul 2026 16:47:05 -0400https://reefguide.org/largeeyetoadfish.htmlhttps://reefguide.org/largeeyetoadfish.html
Bearded Toadfish
Scientific Name: Sanopus barbatus
Order: Batrachoidiformes (Toadfishes)
Family: Batrachoididae
Category: Toadfishes
Size: 6 to 8 in. (15 to 29 cm)
Depth: 3-40 ft. (1-12 m)
Distribution: Belize, Bay Islands (Honduras)
]]>Wed, 08 Jul 2026 18:32:26 -0400https://reefguide.org/labrisomusconditus.htmlhttps://reefguide.org/labrisomusconditus.html
Masquerader Hairy Blenny
Scientific Name: Labrisomus conditus
Order: Blenniiformes
Family: Labrisomidae (Labrisomid Blennies)
Category: Labrisomid Blennies
Size: 2 to 6 in. (5 to 15 cm)
Depth: 0-18 ft. (0-5 m)
Distribution: Florida, Caribbean
]]>Thu, 04 Jun 2026 17:11:15 -0400https://reefguide.org/hairyblenny.htmlhttps://reefguide.org/hairyblenny.html
Hairy Blenny
Scientific Name: Labrisomus nuchipinnis
Order: Blenniiformes
Family: Labrisomidae (Labrisomid Blennies)
Category: Labrisomid Blennies
Size: 2 to 6 in. (5 to 15 cm)
Depth: 1-25 ft. (0-8 m)
Distribution: Bahamas, Caribbean, Florida, Bermuda
]]>Thu, 04 Jun 2026 17:06:18 -0400https://reefguide.org/quillfin.htmlhttps://reefguide.org/quillfin.html
Quillfin Blenny
Scientific Name: Gobioclinus filamentosus
Order: Blenniiformes
Family: Labrisomidae (Labrisomid Blennies)
Category: Labrisomid Blennies
Size: 2 to 4 in. (5 to 10 cm)
Depth: 40-100 ft. (12-30 m)
Distribution: Bahamas, Caribbean
]]>Thu, 04 Jun 2026 16:52:38 -0400https://reefguide.org/bucktoothparrotfish.htmlhttps://reefguide.org/bucktoothparrotfish.html
Bucktooth Parrotfish
Scientific Name: Sparisoma radians
Order: Eupercaria
Family: Labridae (Wrasses)
Category: Parrotfishes
Size: Up to 5 in. (13 cm)
Depth: 3-35 ft. (1-12 m)
Distribution: Caribbean, Bahamas, Florida, Gulf of America, Bermuda, Brazil
]]>Mon, 01 Jun 2026 12:04:49 -0400https://reefguide.org/islandfrillfin.htmlhttps://reefguide.org/islandfrillfin.html
Island Frillfin Goby
Scientific Name: Bathygobius mystacium
Order: Gobiiformes
Family: Gobiidae (Gobies)
Category: Gobies
Size: Up to 3 in. (7 cm)
Depth: 0-10 ft. (0-3 m)
Distribution: Bahamas, Caribbean, Florida
]]>Mon, 01 Jun 2026 11:44:27 -0400https://reefguide.org/spanishdancer.htmlhttps://reefguide.org/spanishdancer.html
Spanish Lance Dancer
Scientific Name: Hexabranchus lacer
Order: Doridida
Family: Hexabranchidae
Category: Dorid Nudibranchs
Size: Up to 16 in. (40 cm)
Depth: 3-300 ft. (1-90 m)
Distribution: Indo-Pacific, Australia
]]>Mon, 25 May 2026 10:47:55 -0400https://reefguide.org/whaleshark.htmlhttps://reefguide.org/whaleshark.html
Whale Shark
Scientific Name: Rhincodon typus
Order: Orectolobiformes (Carpet sharks)
Family: Rhincodontidae (Whale Sharks)
Category: Whale Sharks
Size: Up to 50 ft. (15 m)
Depth: 0-500 ft. (0-152 m)
Distribution: Circumtropical
]]>Sun, 24 May 2026 15:51:06 -0400https://reefguide.org/abdopussp3.htmlhttps://reefguide.org/abdopussp3.html
Abdopus sp. 3
Scientific Name: Abdopus sp. 3
Order: Octopoda (Octopuses)
Family: Octopodidae
Category: Octopuses
Distribution: Indonesia
]]>Sun, 24 May 2026 10:25:39 -0400https://reefguide.org/abdopussp1.htmlhttps://reefguide.org/abdopussp1.html
White-V Octopus
Scientific Name: Abdopus sp. 1
Order: Octopoda (Octopuses)
Family: Octopodidae
Category: Octopuses
Size: Arms up to 6 in. (15 cm)
Distribution: Indonesia, Philippines
]]>Sun, 24 May 2026 10:14:59 -0400https://reefguide.org/octopussp1.htmlhttps://reefguide.org/octopussp1.html
Abdopus sp. 2
Scientific Name: Abdopus sp. 2
Order: Octopoda (Octopuses)
Family: Octopodidae
Category: Octopuses
Size: Arms up to 2 ft. (60 cm)
Distribution: Indo-Pacific
]]>Sun, 24 May 2026 10:14:41 -0400https://reefguide.org/amphioctopussp1.htmlhttps://reefguide.org/amphioctopussp1.html
Amphioctopus sp. 1
Scientific Name: Amphioctopus sp. 1
Order: Octopoda (Octopuses)
Family: Octopodidae
Category: Octopuses
Distribution: Indonesia
]]>Sun, 24 May 2026 09:48:57 -0400https://reefguide.org/amphioctopusexannulatus.htmlhttps://reefguide.org/amphioctopusexannulatus.html
Plain-Spot Octopus
Scientific Name: Amphioctopus exannulatus
Order: Octopoda (Octopuses)
Family: Octopodidae
Category: Octopuses
Size: Up to 8 in. (20 cm)
Distribution: Indonesia, Philippines, Great Barrier Reef
]]>Sun, 24 May 2026 09:38:37 -0400https://reefguide.org/coconutoctopus.htmlhttps://reefguide.org/coconutoctopus.html
Coconut Octopus
Scientific Name: Amphioctopus marginatus
Order: Octopoda (Octopuses)
Family: Octopodidae
Category: Octopuses
Size: Up to 12 in. (30 cm)
Depth: 10-80 ft. (3-25 m)
Distribution: West Pacific
]]>Sat, 23 May 2026 23:17:32 -0400https://reefguide.org/pseudosquillaciliata.htmlhttps://reefguide.org/pseudosquillaciliata.html
Common Mantis Shrimp
Scientific Name: Pseudosquilla ciliata
Order: Stomatopoda
Family: Pseudosquillidae
Category: Mantis Shrimps
Size: Up to 3.5 in. (9 cm)
Depth: 3-150 ft. (1-45 m)
Distribution: Caribbean, South Florida, Bahamas, Bermuda, Indo-Pacific, Australia, Fiji, French Polynesia, Hawaii, Micronesia
]]>Sat, 16 May 2026 10:10:38 -0400https://reefguide.org/clownwrasse.htmlhttps://reefguide.org/clownwrasse.html
Clown Wrasse
Scientific Name: Halichoeres maculipinna
Order: Eupercaria
Family: Labridae (Wrasses)
Category: Wrasses
Size: 3 to 5 in. (7 to 12 cm)
Depth: 10-40 ft. (3-12 m)
Distribution: Florida, Caribbean, Bahamas, Bermuda, Brazil
]]>Fri, 15 May 2026 21:15:33 -0400https://reefguide.org/hogfish.htmlhttps://reefguide.org/hogfish.html
Hogfish
Scientific Name: Lachnolaimus maximus
Order: Eupercaria
Family: Labridae (Wrasses)
Category: Hogfishes
Size: 1 to 2 ft. (30 to 60 cm)
Depth: 10-100 ft. (3-30 m)
Distribution: Caribbean, Bahamas, Florida, Bermuda, Gulf of America
]]>Fri, 15 May 2026 20:47:38 -0400https://reefguide.org/purplemouthmoray.htmlhttps://reefguide.org/purplemouthmoray.html
Purplemouth Moray Eel
Scientific Name: Gymnothorax vicinus
Order: Anguilliformes (Eels)
Family: Muraenidae (Moray Eels)
Category: Moray Eels
Size: 1 to 3 ft. (30 to 90 cm)
Depth: 5-35 ft. (2-12 m)
Distribution: Caribbean, Bahamas, Bermuda, South Florida, Brazil
]]>Fri, 15 May 2026 20:42:51 -0400https://reefguide.org/ogcocephaluscubifrons.htmlhttps://reefguide.org/ogcocephaluscubifrons.html
Polka-Dot Batfish
Scientific Name: Ogcocephalus cubifrons
Order: Lophiiformes (Anglerfishes)
Family: Ogcocephalidae (Batfishes)
Category: Batfishes
Size: 6 to 12 in. (15 to 30 cm))
Depth: 5-250 ft. (2-75 m)
Distribution: Bahamas, Florida, Gulf of America
]]>Wed, 13 May 2026 12:16:55 -0400https://reefguide.org/sharptaileel.htmlhttps://reefguide.org/sharptaileel.html
Sharptail Eel
Scientific Name: Myrichthys breviceps
Order: Anguilliformes (Eels)
Family: Ophichthidae (Snake Eels)
Category: Snake Eels
Size: 1 to 3 ft. (30 to 90 cm)
Depth: 5-40 ft. (2-12 m)
Distribution: Caribbean, Bahamas, Florida, Bermuda, Gulf of America
]]>Wed, 13 May 2026 12:15:10 -0400https://reefguide.org/chilomycterusschoepfii.htmlhttps://reefguide.org/chilomycterusschoepfii.html
Striped Burrfish
Scientific Name: Chilomycterus schoepfii
Order: Tetraodontiformes
Family: Diodontidae (Porcupinefishes)
Category: Porcupinefishes
Size: Up to 10 in. (25 cm)
Depth: 1-60 ft. (0-18 m)
Distribution: Florida, Gulf of America, Northwest Caribbean
]]>Wed, 13 May 2026 11:28:19 -0400https://reefguide.org/mithraxhispidus.htmlhttps://reefguide.org/mithraxhispidus.html
Coral Clinging Crab
Scientific Name: Mithrax hispidus
Order: Decapoda (Decapods)
Family: Mithracidae (Spider Crabs)
Category: Spider Crabs
Size: Up to 6 in. (15 cm)
Depth: 15-215 ft. (5-66 m)
Distribution: Caribbean, Bahamas, Florida
]]>Wed, 13 May 2026 11:25:56 -0400https://reefguide.org/menippenodifrons.htmlhttps://reefguide.org/menippenodifrons.html
Cuban Stone Crab
Scientific Name: Menippe nodifrons
Order: Decapoda (Decapods)
Family: Menippidae (Stone Crabs)
Category: Stone Crabs
Size: Up to 3 in. (7.5 cm)
Depth: 0-60 ft. (0-18 m)
Distribution: South Florida, Caribbean
]]>Wed, 13 May 2026 11:17:05 -0400https://reefguide.org/horseshoecrab.htmlhttps://reefguide.org/horseshoecrab.html
Atlantic Horseshoe Crab
Scientific Name: Limulus polyphemus
Order: Xiphosurida
Family: Limulidae
Category: Horseshoe Crabs
Size: 10 to 20 in. (25 to 50 cm)
Depth: 1-15 ft. (0-5 m)
Distribution: Florida, Gulf of America, Yucatan peninsula, East Coast of USA
]]>Tue, 12 May 2026 16:14:36 -0400https://reefguide.org/goldencoralshrimp.htmlhttps://reefguide.org/goldencoralshrimp.html
Golden Coral Shrimp
Scientific Name: Stenopus scutellatus
Order: Decapoda (Decapods)
Family: Stenopodidae (Boxer Shrimps)
Category: Boxer Shrimps
Size: 0.75 to 1.5 in (2 to 3 cm)
Depth: 10-130 ft. (3-40 m)
Distribution: Caribbean, Bahamas, Florida
]]>Tue, 12 May 2026 09:03:14 -0400https://reefguide.org/neritafulgurans.htmlhttps://reefguide.org/neritafulgurans.html
Lightning Nerite
Scientific Name: Nerita fulgurans
Order: Cycloneritida
Family: Neritidae (Nerite Snails)
Category: Nerite Snails
Size: Up to 1.5 in. (37 cm)
Depth: 0-6 ft. (0-2 m)
Distribution: Florida, Bahamas, Caribbean, Gulf of America
]]>Mon, 11 May 2026 18:02:07 -0400https://reefguide.org/commonsnook.htmlhttps://reefguide.org/commonsnook.html
Common Snook
Scientific Name: Centropomus undecimalis
Order: Carangaria
Family: Centropomidae (Snooks)
Category: Snooks
Size: Up to 4 ft. (1.2 m)
Depth: 3-35 ft. (1-12 m)
Distribution: Florida, Caribbean, Gulf of America, Brazil
]]>Sun, 10 May 2026 17:10:48 -0400https://reefguide.org/phyllidiellaannulata.htmlhttps://reefguide.org/phyllidiellaannulata.html
Phyllidiella annulata
Scientific Name: Phyllidiella annulata
Order: Doridida
Family: Phyllidiidae
Category: Dorid Nudibranchs
Size: Up to 1.5 in. (3 cm)
Distribution: Indo-West Pacific, Fiji, French Polynesia
]]>Sun, 10 May 2026 14:14:34 -0400https://reefguide.org/stephanolepishispida.htmlhttps://reefguide.org/stephanolepishispida.html
Planehead Filefish
Scientific Name: Stephanolepis hispida
Order: Tetraodontiformes
Family: Monacanthidae (Filefishes)
Category: Filefishes
Size: Up to 8 in. (20 cm)
Depth: 10-160 ft. (3-50 m)
Distribution: Florida, Bahamas, Caribbean, Gulf of America, Bermuda
]]>Sun, 10 May 2026 13:36:10 -0400https://reefguide.org/chloeiaviridis.htmlhttps://reefguide.org/chloeiaviridis.html
Blackline Fireworm
Scientific Name: Chloeia viridis
Order: Amphinomida
Family: Amphinomidae (Fireworms)
Category: Fireworms
Size: Up to 4 in. (10 cm)
Depth: 3-100 ft. (1-30 m)
Distribution: Florida, Caribbean, Gulf of America
]]>Sun, 10 May 2026 13:33:03 -0400https://reefguide.org/whitespottedfireworm.htmlhttps://reefguide.org/whitespottedfireworm.html
Whitespotted Fireworm
Scientific Name: Chloeia euglochis
Order: Amphinomida
Family: Amphinomidae (Fireworms)
Category: Fireworms
Size: Up to 6 in. (15 cm)
Depth: 3-130 ft. (1-40 m)
Distribution: Florida, Caribbean, Bahamas
]]>Sun, 10 May 2026 13:24:23 -0400https://reefguide.org/prunumapicinum.htmlhttps://reefguide.org/prunumapicinum.html
Common Atlantic Marginella
Scientific Name: Prunum apicinum
Order: Neogastropoda
Family: Marginellidae (Margin Shells)
Category: Margin Shells
Size: up to 0.5 in. (10 mm)
Distribution: Florida, Bahamas, Yucatan peninsula, Gulf of America
]]>Sat, 09 May 2026 21:02:15 -0400https://reefguide.org/pygmyfilefish.htmlhttps://reefguide.org/pygmyfilefish.html
Pygmy Filefish
Scientific Name: Stephanolepis setifer
Order: Tetraodontiformes
Family: Monacanthidae (Filefishes)
Category: Filefishes
Size: Up to 6 in. (15 cm)
Depth: 0-50 ft. (0-15 m)
Distribution: Florida, Bahamas, Caribbean, Gulf of America, Bermuda
]]>Sat, 09 May 2026 20:26:02 -0400https://reefguide.org/barbfish.htmlhttps://reefguide.org/barbfish.html
Barbfish
Scientific Name: Scorpaena brasiliensis
Order: Perciformes
Family: Scorpaenidae
Category: Scorpionfishes
Size: Up to 10 in. (25 cm)
Depth: 5-300 ft. (2-90 m)
Distribution: Florida, Gulf of America
]]>Sat, 09 May 2026 19:29:03 -0400https://reefguide.org/nasobrachycentron.htmlhttps://reefguide.org/nasobrachycentron.html
Humpback Unicornfish
Scientific Name: Naso brachycentron
Order: Acanthuriformes
Family: Acanthuridae (Surgeonfishes)
Category: Unicornfishes
Size: Up to 35 in. (90 cm)
Depth: 20-120 ft. (6-37 m)
Distribution: Indo-Pacific, Palau, Micronesia, Great Barrier Reef, Fiji, French Polynesia, Solomon Islands
]]>Sat, 09 May 2026 16:59:53 -0400https://reefguide.org/lightningwhelk.htmlhttps://reefguide.org/lightningwhelk.html
Lightning Whelk
Scientific Name: Sinistrofulgur sinistrum
Order: Neogastropoda
Family: Busyconidae
Category: Lightning Whelks
Size: Up to 17 in, (44 cm)
Distribution: Florida, Gulf of America, Yucatan peninsula
]]>Sat, 09 May 2026 16:21:37 -0400https://reefguide.org/coryphellinamarcusorum.htmlhttps://reefguide.org/coryphellinamarcusorum.html
Marcus' Aeolid
Scientific Name: Coryphellina marcusorum
Order: Nudibranchia (Nudibranchs)
Family: Flabellinidae
Category: Aeolid Nudibranchs
Size: Up to 1 in, (2.5 cm)
Distribution: Florida, Caribbean, Gulf of California, Pacific Coast of Mexico to Panama
]]>Sat, 09 May 2026 15:50:12 -0400https://reefguide.org/bannergoby.htmlhttps://reefguide.org/bannergoby.html
Banner Goby
Scientific Name: Microgobius microlepis
Order: Gobiiformes
Family: Gobiidae (Gobies)
Category: Gobies
Size: Up to 1.5 in (3 cm)
Depth: 0-30 ft. (0-10 m)
Distribution: South Florida, Bahamas, Gulf of America
]]>Sat, 09 May 2026 15:13:42 -0400https://reefguide.org/inshorelizardfish.htmlhttps://reefguide.org/inshorelizardfish.html
Inshore Lizardfish
Scientific Name: Synodus foetens
Order: Aulopiformes (Lizardfishes and Allies)
Family: Synodontidae
Category: Lizardfishes
Size: Up to 14 in. (35 cm)
Depth: 5-600 ft. (2-180 m)
Distribution: Florida, Gulf of America, Bahamas, Caribbean, Brazil
]]>Sat, 09 May 2026 14:41:50 -0400https://reefguide.org/colorfulmoonsnail.htmlhttps://reefguide.org/colorfulmoonsnail.html
Colorful Moon Snail
Scientific Name: Naticarius canrena
Order: Littorinimorpha
Family: Naticidae (Moon Snails)
Category: Moon Snails
Size: Up to 2.5 in. (6.5 cm)
Depth: 0-20 ft. (0-6 m)
Distribution: Caribbean, Florida, Bahamas, Bermuda
]]>Sat, 09 May 2026 12:59:58 -0400https://reefguide.org/chaenopsisocellata.htmlhttps://reefguide.org/chaenopsisocellata.html
Bluethroat Pikeblenny
Scientific Name: Chaenopsis ocellata
Order: Blenniiformes
Family: Chaenopsidae (Tube Blennies)
Category: Tube Blennies
Size: Up to 4 in. (10 cm)
Depth: 5-25 ft. (2-8 m)
Distribution: Florida, Gulf of America
]]>Fri, 08 May 2026 10:38:23 -0400https://reefguide.org/hippocampusbarbouri.htmlhttps://reefguide.org/hippocampusbarbouri.html
Barbour’s Seahorse
Scientific Name: Hippocampus barbouri
Order: Syngnathiformes
Family: Syngnathidae (Seahorses and Pipefishes)
Category: Seahorses
Size: Up to 6 in. (15 cm)
Distribution: Indonesia, Malaysia, Philippines
]]>Wed, 06 May 2026 22:32:15 -0400https://reefguide.org/networkpipefish.htmlhttps://reefguide.org/networkpipefish.html
Reeftop Pipefish
Scientific Name: Corythoichthys haematopterus
Order: Syngnathiformes
Family: Syngnathidae (Seahorses and Pipefishes)
Category: Pipefishes
Size: 4 to 7 in. (10 to 18 cm)
Depth: 6-75 ft. (2-23 m)
Distribution: Indo-Pacific, Great Barrier Reef, Fiji, Micronesia, Palau
]]>Wed, 06 May 2026 22:09:04 -0400https://reefguide.org/sepiasp1.htmlhttps://reefguide.org/sepiasp1.html
Crinoid Cuttlefish
Scientific Name: Ascarosepion sp. 1
Order: Sepiida
Family: Sepiidae (Cuttlefishes)
Category: Cuttlefishes
Size: Up to 1.5 in. (4 cm)
Distribution: Indonesia
]]>Wed, 06 May 2026 15:38:31 -0400https://reefguide.org/graychub.htmlhttps://reefguide.org/graychub.html
Gray Chub
Scientific Name: Kyphosus bigibbus
Order: Centrarchiformes
Family: Kyphosidae (Chubs)
Category: Chubs
Size: 1 to 2 ft. (30 to 60 cm)
Depth: 20-80 ft. (6-25 m)
Distribution: Caribbean, Florida, Gulf of America, Indo-Pacific
]]>Wed, 06 May 2026 15:28:54 -0400https://reefguide.org/kyphosusvaigiensis.htmlhttps://reefguide.org/kyphosusvaigiensis.html
Brassy Chub
Scientific Name: Kyphosus vaigiensis
Order: Centrarchiformes
Family: Kyphosidae (Chubs)
Category: Chubs
Size: Up to 18 in. (45 cm)
Depth: 10-80 ft. (3-25 m)
Distribution: Circumtropical
]]>Wed, 06 May 2026 15:00:20 -0400https://reefguide.org/limariafragilis.htmlhttps://reefguide.org/limariafragilis.html
Fragile File Shell
Scientific Name: Limaria fragilis
Order: Limida (File Clams)
Family: Limidae
Category: File Clams
Distribution: Indo-Pacific, Australia
]]>Wed, 29 Apr 2026 20:21:04 -0400https://reefguide.org/tenelliasp2.htmlhttps://reefguide.org/tenelliasp2.html
Tenellia sp. 2
Scientific Name: Tenellia sp. 2
Order: Nudibranchia (Nudibranchs)
Family: Trinchesiidae
Category: Aeolid Nudibranchs
Size: Up to 2 in. (5cm)
Distribution: Indonesia
]]>Wed, 29 Apr 2026 20:05:23 -0400https://reefguide.org/eubranchussp2.htmlhttps://reefguide.org/eubranchussp2.html
Brown-Stripe Eubranchus
Scientific Name: Eubranchus sp. 2
Order: Nudibranchia (Nudibranchs)
Family: Eubranchidae
Category: Aeolid Nudibranchs
Size: Up to 0.75 in. (2 cm)
Distribution: Indonesia, Philippines, Malaysia
]]>Wed, 29 Apr 2026 20:03:45 -0400https://reefguide.org/trinchesiasp2.htmlhttps://reefguide.org/trinchesiasp2.html
Blue-Banded Trinchesia
Scientific Name: Trinchesia sp. 1
Order: Nudibranchia (Nudibranchs)
Family: Trinchesiidae
Category: Aeolid Nudibranchs
Size: up to 0.5 in (1 cm)
Distribution: Indonesia
]]>Wed, 29 Apr 2026 19:56:43 -0400https://reefguide.org/xiphonecteslongispinosus.htmlhttps://reefguide.org/xiphonecteslongispinosus.html
Xiphonectes longispinosus
Scientific Name: Xiphonectes longispinosus
Order: Decapoda (Decapods)
Family: Portunidae (Swimming Crabs)
Category: Swimming Crabs
Size: Up to 2 in. (5 cm)
Distribution: Indo-West Pacific, Fiji
]]>Wed, 29 Apr 2026 19:48:45 -0400https://reefguide.org/acanthosepionpharaonis.htmlhttps://reefguide.org/acanthosepionpharaonis.html
Pharaoh Cuttlefish
Scientific Name: Acanthosepion pharaonis
Order: Sepiida
Family: Sepiidae (Cuttlefishes)
Category: Cuttlefishes
Size: Up to 10 in. (25 cm)
Distribution: Indo-Pacific
]]>Wed, 29 Apr 2026 19:25:06 -0400https://reefguide.org/pseudobicerossp3.htmlhttps://reefguide.org/pseudobicerossp3.html
Pseudobiceros sp. 3
Scientific Name: Pseudobiceros sp. 3
Order: Polycladida (Polyclad Flatworms)
Family: Pseudocerotidae
Category: Polyclad Flatworms
Size: Up to 1 in. (2.5 cm)
Distribution: Fiji
]]>Wed, 29 Apr 2026 18:47:59 -0400https://reefguide.org/sabellidaesp1.htmlhttps://reefguide.org/sabellidaesp1.html
Sabellidae sp. 1
Order: Sabellida
Family: Sabellidae (Feather Duster Worms)
Category: Feather Duster Worms
Size: Up to 4 in. (10 cm)
Distribution: Indonesia
]]>Mon, 27 Apr 2026 16:43:18 -0400https://reefguide.org/conusquercinus.htmlhttps://reefguide.org/conusquercinus.html
Oak Cone
Scientific Name: Conus quercinus
Order: Neogastropoda
Family: Conidae (Cone Shells)
Category: Cone Shells
Size: Up to 5 in. (13 cm)
Distribution: Indo-Pacific, Red Sea, Australia, Fiji, Hawaii, French Polynesia
]]>Mon, 27 Apr 2026 16:15:17 -0400https://reefguide.org/tumidodromiadormia.htmlhttps://reefguide.org/tumidodromiadormia.html
Sleepy Sponge Crab
Scientific Name: Tumidodromia dormia
Order: Decapoda (Decapods)
Family: Dromiidae (Sponge Crabs)
Category: Sponge Crabs
Size: Up to 7 in (18cm)
Depth: 3-100 ft. (1-30 m)
Distribution: Indo-Pacific, Hawaii
]]>Sun, 26 Apr 2026 00:13:24 -0400https://reefguide.org/taeniuralymma.htmlhttps://reefguide.org/taeniuralymma.html
Bluespotted Ribbontail Ray
Scientific Name: Taeniura lymma
Order: Myliobatiformes (Stingrays)
Family: Dasyatidae (Whiptail Stingrays)
Category: Whiptail Stingrays
Size: Up to 14 in. (25 cm)
Depth: 3-60 ft. (1-18 m)
Distribution: Indo-West Pacific, Red Sea, Great Barrier Reef
]]>Sat, 25 Apr 2026 23:14:22 -0400https://reefguide.org/twinspotlionfish.htmlhttps://reefguide.org/twinspotlionfish.html
Twinspot Lionfish
Scientific Name: Dendrochirus biocellatus
Order: Perciformes
Family: Scorpaenidae
Category: Lionfishes
Size: 3 to 4 in. (7 to 10 cm)
Depth: 10-130 ft. (3-40 m)
Distribution: Indo-Pacific, French Polynesia
]]>Sat, 25 Apr 2026 23:11:15 -0400https://reefguide.org/pterocaesiotile.htmlhttps://reefguide.org/pterocaesiotile.html
Bluestreak Fusilier
Scientific Name: Pterocaesio tile
Order: Eupercaria
Family: Caesionidae (Fusilier)
Category: Fusilier
Size: Up to 10 in. (25 cm)
Depth: 10-180 ft. (3-55 m)
Distribution: Indo-Pacific, Great Barrier Reef, French Polynesia
]]>Sat, 25 Apr 2026 22:58:31 -0400https://reefguide.org/chaetodonbaronessa.htmlhttps://reefguide.org/chaetodonbaronessa.html
Eastern Triangular Butterflyfish
Scientific Name: Chaetodon baronessa
Order: Acanthuriformes
Family: Chaetodontidae (Butterflyfishes)
Category: Butterflyfishes
Size: Up to 6 in. (15 cm)
Depth: 3-40 ft. (1-12 m)
Distribution: Indonesia, Philippines, Malaysia, Papua New Guinea, Great Barrier Reef, New Caledonia, Fiji, Solomon Islands, Taiwan, Palau
]]>Sat, 25 Apr 2026 22:51:25 -0400https://reefguide.org/briareumviolaceum.htmlhttps://reefguide.org/briareumviolaceum.html
Green Star Polyps
Scientific Name: Briareum violaceum
Order: Scleralcyonacea
Family: Briareidae
Category: Octocorals
Distribution: Indo-Pacific, Great Barrier Reef, Fiji
]]>Sat, 25 Apr 2026 22:46:01 -0400https://reefguide.org/santiasp1.htmlhttps://reefguide.org/santiasp1.html
Santia sp. 1
Scientific Name: Santia sp. 1
Order: Isopoda (Isopods)
Family: Santiidae
Category: Sponge Isopods
Size: Up to 0.1 in. (2.5 mm)
Distribution: Indo-Pacific
]]>Sat, 25 Apr 2026 22:08:43 -0400https://reefguide.org/meloaethiopicus.htmlhttps://reefguide.org/meloaethiopicus.html
Crowned Baler
Scientific Name: Melo aethiopicus
Order: Neogastropoda
Family: Volutidae (Volutes)
Category: Volutes
Size: Up to 12 in. (30 cm)
Distribution: Indonesia
]]>Sat, 25 Apr 2026 16:30:30 -0400https://reefguide.org/bandedsergeant.htmlhttps://reefguide.org/bandedsergeant.html
Banded Sergeant
Scientific Name: Abudefduf septemfasciatus
Order: Ovalentaria
Family: Pomacentridae (Damselfishes)
Category: Sergeant Damselfishes
Size: Up to 8 in. (20 cm)
Depth: 0-10 ft. (0-3 m)
Distribution: Indo-Pacific, French Polynesia
]]>Fri, 24 Apr 2026 14:09:22 -0400https://reefguide.org/thecacerasp2.htmlhttps://reefguide.org/thecacerasp2.html
Black-Horn Tecacera
Scientific Name: Thecacera melkyi
Order: Doridida
Family: Polyceridae
Category: Dorid Nudibranchs
Size: Up to 1.5 in. (4 cm)
Distribution: Indonesia, Philippines
]]>Fri, 24 Apr 2026 10:59:58 -0400https://reefguide.org/nembrothasp3.htmlhttps://reefguide.org/nembrothasp3.html
Nembrotha lorosae
Scientific Name: Nembrotha lorosae
Order: Doridida
Family: Polyceridae
Category: Dorid Nudibranchs
Size: Up to 1.5 in. (4 cm)
Distribution: Indonesia, Philippines
]]>Fri, 24 Apr 2026 10:55:46 -0400https://reefguide.org/trachinocephalustrachinus.htmlhttps://reefguide.org/trachinocephalustrachinus.html
Bluntnose Lizardfish
Scientific Name: Trachinocephalus trachinus
Order: Aulopiformes (Lizardfishes and Allies)
Family: Synodontidae
Category: Lizardfishes
Size: Up to 16 in. (40 cm)
Distribution: Indo-Pacific, Hawaii, Australia
]]>Thu, 23 Apr 2026 14:07:27 -0400https://reefguide.org/nariaturdus.htmlhttps://reefguide.org/nariaturdus.html
Thrush Cowrie
Scientific Name: Naria turdus
Order: Littorinimorpha
Family: Cypraeidae (Cowries)
Category: Cowries
Size: Up to 2 in. (5 cm)
Depth: 5-35 ft. (2-12 m)
Distribution: Caribbean
]]>Thu, 23 Apr 2026 14:07:08 -0400https://reefguide.org/domeciaacanthophora.htmlhttps://reefguide.org/domeciaacanthophora.html
Elkhorn Coral Crab
Scientific Name: Domecia acanthophora
Order: Decapoda (Decapods)
Family: Domeciidae
Category: Coral Crabs
Size: Up to 1 in0 (2.5 cm)
Depth: 6-50 ft. (2-15 m)
Distribution: Caribbean, Florida
]]>Thu, 23 Apr 2026 14:06:29 -0400https://reefguide.org/carminodorisbifurcata.htmlhttps://reefguide.org/carminodorisbifurcata.html
Bifurcate Carminodori
Scientific Name: Carminodoris bifurcata
Order: Doridida
Family: Discodorididae
Category: Dorid Nudibranchs
Size: Up to 1 in. (2.5 cm)
Distribution: West Pacific, Indonesia
]]>Thu, 23 Apr 2026 14:05:58 -0400https://reefguide.org/bandedangelfish.htmlhttps://reefguide.org/bandedangelfish.html
Banded Angelfish
Scientific Name: Apolemichthys arcuatus
Order: Acanthuriformes
Family: Pomacanthidae (Angelfishes)
Category: Angelfishes
Size: Up to 7 in. (18 cm)
Depth: 50-600 ft. (15-180 m)
Distribution: Hawaii
]]>Thu, 23 Apr 2026 14:05:22 -0400https://reefguide.org/acyrtusartius.htmlhttps://reefguide.org/acyrtusartius.html
Papillate Clingfish
Scientific Name: Acyrtus artius
Order: Gobiesociformes
Family: Gobiesocidae
Category: Clingfishes
Size: Up to 1.25 in. (3.3 cm)
Depth: 25-65 ft. (8-20 m)
Distribution: Bahamas, Caribbean
]]>Thu, 23 Apr 2026 14:05:02 -0400https://reefguide.org/kempsridley.htmlhttps://reefguide.org/kempsridley.html
Kemp's Ridley Sea Turtle
Scientific Name: Lepidochelys kempii
Order: Testudines (Turtles)
Family: Cheloniidae
Category: Sea Turtles
Size: Up to 28 in, (70 cm)
Distribution: Florida, Gulf of America, Bahamas, Yucatan peninsula
]]>Thu, 23 Apr 2026 10:56:26 -0400https://reefguide.org/hazeusprofusus.htmlhttps://reefguide.org/hazeusprofusus.html
Hazeus profusus
Scientific Name: Hazeus profusus
Order: Gobiiformes
Family: Gobiidae (Gobies)
Category: Gobies
Distribution: Indonesia, Philippines
]]>Wed, 22 Apr 2026 12:07:56 -0400https://reefguide.org/papillagoby.htmlhttps://reefguide.org/papillagoby.html
Papilla Goby
Scientific Name: Grallenia sp. 1
Order: Gobiiformes
Family: Gobiidae (Gobies)
Category: Gobies
Size: Up to 1 in. (2.5 cm)
Depth: 10-40 ft. (3-12 m)
Distribution: Indonesia
]]>Wed, 22 Apr 2026 11:50:24 -0400https://reefguide.org/spirobranchuscorniculatus.htmlhttps://reefguide.org/spirobranchuscorniculatus.html
Indo-Pacific Christmas Tree Worm
Scientific Name: Spirobranchus corniculatus
Order: Sabellida
Family: Serpulidae (Tube Worms)
Category: Tube Worms
Size: 1 to 1.5 in. (2.5 to 4 cm)
Depth: 10-100 ft. (3-30 m)
Distribution: Indo-Pacific, Hawaii, Australia, French Polynesia
]]>Wed, 08 Apr 2026 14:29:41 -0400https://reefguide.org/carcharhinusmelanopterus.htmlhttps://reefguide.org/carcharhinusmelanopterus.html
Blacktip Reef Shark
Scientific Name: Carcharhinus melanopterus
Order: Carcharhiniformes (Ground Sharks)
Family: Carcharhinidae (Requiem Sharks)
Category: Requiem Sharks
Size: Up to 5 ft. (1.6 m)
Depth: 0-200 ft. (0-60 m)
Distribution: Indo-Pacific, Hawaii, French Polynesia
]]>Wed, 08 Apr 2026 09:06:01 -0400https://reefguide.org/turbinariareniformis.htmlhttps://reefguide.org/turbinariareniformis.html
Yellow Scroll Coral
Scientific Name: Turbinaria reniformis
Order: Scleractinia (Stony Corals)
Family: Dendrophylliidae
Category: Stony Corals
Distribution: Indo-Pacific, Fiji, Micronesia
]]>Tue, 07 Apr 2026 00:17:41 -0400https://reefguide.org/palythoacaesia.htmlhttps://reefguide.org/palythoacaesia.html
Sea Mat
Scientific Name: Palythoa tuberculosa
Order: Zoantharia (Zoanthids)
Family: Sphenopidae
Category: Zoanthids
Size: Polyps 0.3 in.
Distribution: Indo-Pacific, Hawaii, French Polynesia
]]>Mon, 06 Apr 2026 23:50:16 -0400https://reefguide.org/chironephthyasp1.htmlhttps://reefguide.org/chironephthyasp1.html
Chironephthya sp. 1
Scientific Name: Chironephthya sp. 1
Order: Malacalcyonacea
Family: Siphonogorgiidae
Category: Octocorals
Distribution: Fiji
]]>Mon, 06 Apr 2026 23:40:52 -0400https://reefguide.org/parapercishexophtalma.htmlhttps://reefguide.org/parapercishexophtalma.html
Speckled Sandperch
Scientific Name: Parapercis hexophtalma
Order: Perciformes
Family: Pinguipedidae (Sandperches)
Category: Sandperches
Size: Up to 9 in. (23 cm)
Depth: 15-100 ft. (5-30 m)
Distribution: Indo-Pacific, Red Sea, Great Barrier Reef, Fiji
]]>Mon, 06 Apr 2026 23:14:06 -0400https://reefguide.org/cannonballjellyfish.htmlhttps://reefguide.org/cannonballjellyfish.html
Cannonball Jelly
Scientific Name: Stomolophus meleagris
Order: Rhizostomeae
Family: Stomolophidae
Category: True Jellyfishes
Size: Up to 10 in. (25 cm)
Depth: 0-10 ft. (0-3 m)
Distribution: Caribbean, Florida, Gulf of America
]]>Mon, 06 Apr 2026 23:03:51 -0400https://reefguide.org/seathimblejellyfish.htmlhttps://reefguide.org/seathimblejellyfish.html
Sea Thimble Jelly
Scientific Name: Linuche unguiculata
Order: Coronatae
Family: Linuchidae
Category: True Jellyfishes
Size: 0.5 to 0.75 in. (1.25 to 2 cm)
Depth: 0-10 ft. (0-3 m)
Distribution: Circumtropical
]]>Mon, 06 Apr 2026 23:03:06 -0400https://reefguide.org/mastigiaspapua.htmlhttps://reefguide.org/mastigiaspapua.html
Spotted Jelly
Scientific Name: Mastigias papua
Order: Rhizostomeae
Family: Mastigiidae
Category: True Jellyfishes
Size: Up to 5 in. (13 cm)
Distribution: West Pacific
]]>Mon, 06 Apr 2026 23:02:25 -0400https://reefguide.org/netrostomasetouchianum.htmlhttps://reefguide.org/netrostomasetouchianum.html
Purple Crowned Jellyfish
Scientific Name: Netrostoma setouchianum
Order: Rhizostomeae
Family: Cepheidae
Category: True Jellyfishes
Size: Up to 8 in. (20 cm)
Depth: 15-300 ft. (5-90 m)
Distribution: Fiji, West Pacific
]]>Mon, 06 Apr 2026 23:00:00 -0400https://reefguide.org/processasp1.htmlhttps://reefguide.org/processasp1.html
Processa sp. 1
Scientific Name: Processa sp. 1
Order: Decapoda (Decapods)
Family: Processidae (Night Shrimps)
Category: Night Shrimps
Distribution: Fiji
]]>Mon, 06 Apr 2026 16:36:52 -0400https://reefguide.org/seapearls.htmlhttps://reefguide.org/seapearls.html
Sea Pearl
Scientific Name: Valonia ventricosa
Order: Cladophorales
Family: Valoniaceae
Category: Green Algae
Size: 0.75 to 2 in.
Depth: 3-250 ft. (1-75 m)
Distribution: Circumtropical
]]>Mon, 06 Apr 2026 14:54:02 -0400https://reefguide.org/chromisweberi.htmlhttps://reefguide.org/chromisweberi.html
Weber's Chromis
Scientific Name: Chromis weberi
Order: Ovalentaria
Family: Pomacentridae (Damselfishes)
Category: Chromis
Size: Up to 5 in. (13 cm)
Depth: 10-75 ft. (3-23 m)
Distribution: Indo-Pacific, Red Sea, Australia, Micronesia, French Polynesia
]]>Mon, 06 Apr 2026 12:55:43 -0400https://reefguide.org/macrophiothrixnereidina.htmlhttps://reefguide.org/macrophiothrixnereidina.html
Violet Brittle Star
Scientific Name: Macrophiothrix nereidina
Order: Amphilepidida
Family: Ophiotrichidae
Category: Brittle Stars
Size: Arms up to 6 in. (15 cm)
Distribution: Indonesia, Philippines, Malaysia, Great Barrier Reef
]]>Mon, 06 Apr 2026 10:26:25 -0400