Search all creatures A-Z - Whats That Fish!

Obicular Damselfish - Damselfishes

Also known as Sergeants and Obicular Damsel. Found singly or in pairs in lagoons to outer reefs. They feed on zooplankton. Length - 13cm Depth - 3-35m Widespread Indo-west.. more

Oblong Silver Biddy - Mojarras

Also known as Pursemouths, Silverbellies, Silverbiddies, Slendersilver Biddy, Elongate Silver Biddy, Oblong Pursemouth, Oblong Mojarra and Oblong Silverbelly. Found singly or in small groups in sandy areas of.. more

Obscure Damsel (Juvenile) - Damselfishes

Also known as Half-ocellus Damsel and Dusky damsel. Found singly or in small groups in shallow waters of inner and outer reefs. They feed on algae. Adults dusky with Ocellated.. more

Ocean Sugeonfish - Surgeonfishes

Also known as Doctorfishes, Lancetfishes, Tangs, Thorntails, Thorntail Fish, Ocean Surgeon and Ocean Tang. Found singly or in small groups often with other Surgeonfishes and Blue Tangs in.. more

Ocean Sunfish - Molas

Also known as Sunfish, Mola, Common Mola, Moonfish and Headfish. Found singly or in pairs, usually out in the ocean but sometimes closer to shore at cleaning stations. They.. more

Ocean Triggerfish - Triggerfishes

Also known as Ocean Tally and Turbot. Found singly or in small groups on coral rich inner and outer reefs slopes often near to deep water swimming high.. more

Oceanic Whitetip Shark - Sharks

Also known as Requiem Sharks, Oceanic Shark, Whitetip shark, White-tipped Shark, Whitetip Whaler, Nigano Shark and Brown Milbert's Sand Bar Shark. Found in open water across tropical and.. more

Ocellata Nudibranch - Sea Slugs

Also known as Nudibranchs, Warty Sea Slugs, Ocellate phyllidia, Ocellata Sea Slug, Ocellated Wart Slug, Varicose Wart Slug, Varicose Wart Sea Slug and Varicose Wart Nudibranch. .. more

Ocellated Flounder - Flounders

Also known as Flatfish, Sand Flounders, Three Twinspot Flounder, Bigtooth Twin-spot Flounder and Twin-spot Flounder. Found singly on sand and muddy bottoms in coastal areas often deep but.. more

Ocellated Tozeuma Shrimp - Shrimps

Also known as Crustaceans, Carid Shrimps, Tozeuma Shrimp, Sawblade Shrimps, Broken-back Shrimp and Hump-backed Shrimp. Found on rope sponges, algae and sometimes seagrass blades. They feed on parasites, algae.. more

Ocellated Waspfish - Waspfishes

Also known as Long-Finned Waspfish, Longfin Waspfish and Bearded Waspfish. Found singly or in groups on sandy bottoms, burying itself during the day with just the eyes showing... more

Old Glory - Gobies

Also known as Koumansetta rainfordi, Sleeper Gobies, Old Glory Goby, Rainford's Goby, Court Jester Goby, Red-lined Goby and Red-striped Goby. Found singly, pairs or small groups.. more

Old Wife - Old Wifes

Also known as Zebra Fish, Zebra-tail, Bastard Dory, Angelfish, Moonlighter, Double Scalare and Scalare. Found singly, pairs or in schools over rocky areas of inner and outer reefs.. more

Oliva Nudibranch - Sea Slugs

Also known as Nudibranchs, Dorid nudibranchs and Oliva Sea Slug. Found singly, pairs or groups, out in the open during the day on coral and rocky reefs. They feed.. more

Olivar's Squat Lobster - Crabs

Also known as Crustaceans, Anomura Crabs, Squat Lobsters, Bug-eyed Squat Lobster and Robokon Squat Lobster. Found in shallow water in small holes of coral and rocky reefs often.. more

Olive Sea Snake - Sea Snakes

Also known as Olive Brown Sea Snake. Found singly in lagoons, coral and rocky reefs. Colour grey with olive/yellow head and flattened tail, the flattened tail makes this snake.. more

Olive Tambja - Sea Slugs

Also known as Nudibranchs and Olivaria Nudibranch. Found singly, pairs or groups, out in the open during the day on coral and rocky reefs. They feed only on Bugula.. more

Onespot Demoiselle - Damselfishes

Also known as Onespot Damsel and Onespot Damselfish. Found singly or in small schools on shallow inshore reefs and harbours, along breakwaters and dead coral areas. They feed on.. more

Onespot Demoiselle (Juvenile) - Damselfishes

Also known as Onespot Damsel and Onespot Damselfish. Found singly or in small schools on shallow inshore reefs and harbours, along breakwaters and dead coral areas. They feed.. more

Onespot Snapper - Snappers

Also known as Onespot Seaperch. Found singly or in small groups below overhangs, in caves and around shipwrecks. They feed on small fish and invertebrates. Length - 35cm Depth - 2-20m Widespread.. more

Orange & Black Dragonet - Dragonets

Also known as Orange-Black Dragonet and Sailfin Dragonet. Found singly or in pairs on protected sand and mud flats with sandy/weedy bottoms. Sometimes buried during the day, but will.. more

Orange Anemonefish - Anemonefishes

Also known as Skunk Anemonefish, Orange Skunk Clownfish, Eastern Skunk Anemonefish, Orange Clownfish, Yellow Skunk Clownfish and Yellow Clownfish. Found in pairs and family groups often with Merton's.. more

Orange Wire Sea Fan - Sea Fans

Also known as Gorgonian Sea Fans, Wire Coral, Wire Bush Coral and Bottle Brush Coral. Found on coral and rocky reefs often in caves or under overhangs. They.. more

Orange-banded Coralfish - Butterflyfishes

Also known as Coralfishes, Orange Banded Butterflyfish, Golden-girdled Coralfish and Golden-girdled Butterflyfish. Found singly or in pairs in coastal to outer reefs with rich invertebrate growth. They feed on.. more

Orange-banded Pipefish - Pipefishes

Also known as Flagtail Pipefish, Yellow-banded Pipefish, Banded Pipefish and Candy Pipefish. Found singly or in pairs on coastal reefs in deep bottoms of sand and mud.. more

Orange-crumble Sponge - Sponges

Also known as Marine Sponges, Siliceous Sponges, Orange-crumb Sponge, Indian Sponge and Red Volcano Sponge. Found on coral and rocky reefs ranging from shallow to deeper waters. Colours.. more

Orange-dashed Goby - Gobies

Also known as Sleeper Gobies, Valenciennea cf puellaris, Orange-dash Goby, Black-chin Sleeper Goby, Diamond Goby, Diamond Spot Goby, Orange Diamond Goby, Diamond Watchman Goby, Orange-spotted Goby, Orange.. more

Orange-finned Anemonefish - Anemonefishes

Also known as Orange-fin Anemonefish, Orange-finned Clownfish, Orange-fin Clownfish, Blue Line Clownfish, Blue Stripe Anemonefish, Bluestripe Clownfish, Blue Striped Anemonefish, Blue Striped Clownfish and Two-banded Anemonefish. Found in.. more

Orange-lined Triggerfish - Triggerfishes

Also known as Orange Striped Triggerfish, Orange Stripe Triggerfish, Striped Triggerfish, Undulated Triggerfish, Undulated Trigger, Undulate Triggerfish, Red-lined Triggerfish, Green Triggerfish, Vermiculated Triggerfish and Yellowtail Triggerfish. Found singly.. more

Orange-Lined Triggerfish (Juvenile) - Triggerfishes

Also known as Orange Striped Triggerfish, Orange Stripe Triggerfish, Striped Triggerfish, Undulated Triggerfish, Undulated Trigger, Undulate Triggerfish, Red-lined Triggerfish, Green Triggerfish, Vermiculated Triggerfish and Yellowtail Triggerfish. Found singly.. more

Orange-Margined Glossodoris - Sea Slugs

Also known as Nudibranchs, Glossodoris rufomarginatus, Girdled Nudibranch, Brown Margin Glossodoris, White Margin Glossodoris and White-margin Sea Slug. Found singly or in pairs on coral and rocky reefs.. more

Orange-margined Glossodoris - Sea Slugs

Also known as Nudibranchs, Glossodoris rufomarginatus, Girdled Nudibranch, Brown Margin Glossodoris, White Margin Glossodoris and White-margin Sea Slug. Found singly or in pairs on coral and rocky reefs.. more

Orange-mouthed Soft Coral - Soft Corals

Also known as Soft Tree Corals, Tree Coral, Dendronephthya sp., Nephtheid Soft Coral and Flower Tree Coral. Found on the side of caves, along shaded vertical walls in.. more

Orange-socket Surgeonfish - Surgeonfishes

Also known as Doctorfishes, Lancetfishes, Thorntails, Thorntail Fish, Ring-tail Surgeonfish, Ring-tail Surgeon and Ring-tail Doctorfish. Found in small groups often mixing with other similar species, on shallow.. more

Orange-spotted Pipefish - Pipefishes

Also known as Ocellated Pipefish and Ocellate Pipefish. Found often in pairs in shallow water, on rubble and sand patches also along reef edges. They feed on tiny swimming.. more

Orange-spotted Sand-goby - Gobies

Also known as Sand Gobies, ??Coryphopterus duospilus?? Two-spot Goby, Orange-spot Sand-goby, Fusi Goby, Cave goby, Transparent Goby and Inner-spotted Sand-goby. Found singly on sand and rubble reefs. They eat.. more

Orange-striped Emperor - Emperors

Also known as Orange-stripe Emperor and Yellow-banded Pigface Bream. Found singly or in groups on sand and rubble areas as well as sea grass beds rich in.. more

Orange-striped Emperor (Juvenile) - Emperors

Also known as Orange-stripe Emperor and Yellow-banded Pigface Bream. Found singly or in groups on sand and rubble areas as well as sea grass beds rich in.. more

Orangeback Wrasse - Wrasses

Also know as Orange-Back Fairy Wrasse, Goldback Fairy Wrasse, Goldback Wrasse and Golden-back Wrasse. Found in small groups on mixed coral and rubble areas of lagoons and seaward.. more

Orangeband Surgeonfish - Surgeonfishes

Also known as Doctorfishes, Lancetfishes, Thorntails, Thorntail Fish, Orangeband Tang, Orangespot Surgeonfish, Orangespot Tang, Orange Shoulder Surgeonfish, Orange Shoulder Tang, Orange-shouldered Surgeonfish, Orange-shouldered Tang, Orangebar Surgeonfish, Orangebar.. more

Orangefin Cichlid - Cichlids

Also known as Geophagus surinamensis, Orange Head, Red Striped Eartheater, Opalescent Eartheater, Mother-of-Pearl Eartheater, Sunshine Diamond Surinam, Tapajos Red Heads and Red Top Geos. Found in canals over.. more

Orangelined Cardinalfish - Cardinalfishes

Also known as Painted Cardinalfish, Narrowlined Cardinalfish and Red-barred Cardinalfish. Found in schools on sheltered coastal coral and rocky reefs, sheltering during the day inside caves or above.. more

Orangeside Triggerfish - Triggerfishes

Also known as Orangesided Triggerfish, Yellow Belly Triggerfish and Yellow-bellied Triggerfish. Found singly or in small groups along rocky reefs and coastlines sometimes in deep water swimming high.. more

Orangespine Unicornfish - Surgeonfishes

Also called Doctorfishes, Lancetfishes, Thorntails, Thorntail Fish, Orange-spined Unicornfish, Pacific Orangespine Unicorn, Orangespine Surgeonfish, Orange Unicorn Tang, Lipstick Unicornfish, Lipstick Tang, Redlip Surgeonfish, Barcheek Unicornfish, Masked Unicornfish,.. more

Orangespotted Filefish - Filefishes

Also known as Leatherjackets and Orangespot Filefish. Found singly or in pairs often close to the bottom or hiding in branching corals and gorgonians. Tends to shy away.. more

Orangespotted Goby - Gobies

Also known as Sand Gobies, Rigilius Goby and Brown-speckled Sand-goby. Found singly or in pairs on clean sand and rubble areas of lagoons and seaward reefs. They eat small.. more

Orangetip Bristletooth - Surgeonfishes

Also known as Doctorfishes, Lancetfishes, Tangs, Thorntails, Thorntail Fish, Orange-tipped Bristletooth, Yellow-tip Bristletooth, Tomini Surgeonfish, Bristletooth Tomini Tang, Tomini Tang, Tomini Bristletooth Tang and Flame Fin Tang. Found.. more

Orangutan Crab - Crabs

Also known as Crustaceans, Brachyura Crabs, True Crabs, Spider Crabs, Oncinopus japonicus, Oncinopus sp., Orang-utan Crab, Orang-utang Crab, Granchio Orang-utan, Orangutang Spider Crab, Hairy Spider Crab, Hairy.. more

Orbicular Burrfish - Porcupinefishes

Also called Burrfish, Spiny Boxfish, Blowfish, Balloonfish, Globefish, Swelltoads, Hedgehog Fishes, Spiny Box Puffer, Round Burrfish and Birdbeak Burrfish. Found singly and nocturnally on clear protected reefs and.. more

Oriental File Shell - Bivalves

Also known as a Molluscs, Oysters, Flame Scallop, File Shell, Dancing File Clam and False Flying Shell. Found singly or in groups under rocks and over sand and.. more

Oriental Sweetlips - Sweetlips

Also known as Grunts, Plectorhinchus vittatus, Oriental Sweetlip, Indian Ocean Oriental Sweetlips, Oriental Dogfish and Oriental Grunt. Found singly or in small groups in caves, along inner.. more

Oriental Sweetlips (Juvenile) - Sweetlips

Also known as Grunts, Plectorhinchus vittatus, Oriental Sweetlip, Indian Ocean Oriental Sweetlips, Oriental Dogfish and Oriental Grunt. Found singly or in small groups in caves, along inner reef.. more

Oriental Wrasse - Wrasses

Also known as Maori Wrasses, Thicklip Wrasses, Oriental Maori Wrasse and Thick-Stripe Maori Wrasse. Found singly on steep seaward reefs. Juveniles more sheltered. They feed on hard shell invertebrates. Length -.. more

Oriental Wrasse (Juvenile) - Wrasses

Also known as Maori Wrasses, Thicklip Wrasses, Oriental Maori Wrasse and Thick-stripe Maori Wrasse. Found singly on steep seaward reefs. Juveniles more sheltered. They feed on hard shell invertebrates. Length -.. more

Ornate Butterflyfish - Butterflyfishes

Also known as Coralfishes, Ornatissimus Butterfly, Clown Butterflyfish, Ornate Butterfly, Clown Butterfly and Ornate Coralfish. Found singly or in pairs in clear water lagoons and seaward reefs with.. more

Ornate Cowfish - Boxfishes

Also known as Temperate Boxfishes, Deepwater Boxfishes, Ornate Boxfish, Ornate Trunkfish, Ornate Thornback Cowfish, Ornate Thornback Boxfish and Ornate Thornback Trunkfish. Found singly in shallow waters of coastal.. more

Ornate emperor - Emperors

Also known as Yellow-striped Emperor. Found singly or in small groups over sand and rubble areas of lagoons and coastal reefs. They feed on small invertebrates and worms. Length -.. more

Ornate Ghostpipefish - Ghostpipefishes

Also known as Ornate Ghost Pipefish, Harlequin Ghost Pipefish, Harlequin Ghostpipefish and Harlequin Ornate Ghostpipefish. Found in pairs or family groups floating with head down on coral drop-off's.. more

Ornate Goby - Gobies

Also known as Sand Gobies and Ornate Lagoon Goby. Found singly or in small groups on silt and sandy bottoms, in protected bays and mangrove areas. They eat small.. more

Ornate Sapsucking Slug - Sea Slugs

Also known as Elysia marginata, Sapsucking Slugs, Ornate Sap-sucking Slug and Ornate leaf Slug. Found singly or in large groups during the day on coral and rocky.. more

Ornate Wrasse - Wrasses

Also known as Sand-reef Wrasses, Ornate Leopard Wrasse and False Leopard Wrasse. Found singly or in small groups on sand and rubble bottoms near coral reefs. Males completely different.. more

Oshima's Porcelain Crab - Crabs

Also known as Neoptrolisthes oshimai, Crustaceans, Anomura Crabs, False Crabs, Porcelain Crabs, Spotted Porcellanid Crab, Porcelain Anemone Crab, Red-spotted Porcelain Crab, White Anemone Crab and Spotted Anemone.. more

Oval-spot Butterflyfish - Butterflyfishes

Also known as Coralfishes, Speculum Butterflyfish, One-spot Butterfly, Spotted Butterflyfish, Mirror Butterflyfish and Oval-spotted Coralfish. Found singly or in pairs in lagoons and outer reefs with rich.. more

Oxyrhyncha Mantis Shrimp - Mantis Shrimps

Also known as Spearing Mantis Shrimp. Found close to reefs in sand and rubble areas with several burrows to hide in. Males brighter than females, juveniles yellow. They feed on.. more

Oyster Blenny - Blennies

Also known as Reef Blennies, Rock Blennies, Combtooth Blenny, Australian Oyster Blenny, Oyster Shell Blenny, Brachiosaurus Blenny and Crested Blenny. Found in pairs in holes, crevasses and often.. more

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