A to Z
Our A-Z contains a list of all fish/sea creatures that are stored on the site. All listings are by common names and not scientific names.
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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
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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
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Ocean Sugeonfish - Surgeonfishes
Also known as Doctorfishes, Lancetfishes, Tangs, Ocean Surgeon and Ocean Tang. Found singly or in small groups often with other Surgeonfishes and Blue Tangs in clear lagoons and... more
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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Orange-socket Surgeonfish - Surgeonfishes
Also known as Doctorfishes, Lancetfishes, Ring-tail Surgeonfish, Ring-tail Surgeon and Ring-tail Doctorfish. Found in small groups often mixing with other similar species, on shallow protected reef flats... more
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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
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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
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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
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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
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Orangeband Surgeonfish - Surgeonfishes
Also known as Doctorfishes, Lancetfishes, Orangeband Tang, Orangespot Surgeonfish, Orangespot Tang, Orange Shoulder Surgeonfish, Orange Shoulder Tang, Orange-shouldered Surgeonfish, Orange-shouldered Tang, Orangebar Surgeonfish, Orangebar Tang, Orange-blotch Surgeonfish,... more
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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
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Orangespine Unicornfish - Surgeonfishes
Also called Doctorfishes, Lancetfishes, Orange-spined Unicornfish, Pacific Orangespine Unicorn, Orangespine Surgeonfish, Orange Unicorn Tang, Lipstick Unicornfish, Lipstick Tang, Redlip Surgeonfish, Barcheek Unicornfish, Masked Unicornfish, Poll Unicornfish, Striped... more
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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
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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
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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
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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
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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
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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
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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
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Oriental Wrasse - Wrasses
Previously known as Maori and Thicklip Wrasses, Oriental Maori Wrasse and Thick-Stripe Maori Wrasse. Found singly on steep seaward reefs. Juveniles more sheltered. These are the largest of wrasses with... more
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Oriental Wrasse (Juvenile) - Wrasses
Also known as Maori and Thicklip Wrasses, Oriental Maori Wrasse and Thick-stripe Maori Wrasse. Found singly on steep seaward reefs. Juveniles more sheltered. These are the largest of wrasses with... more
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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
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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
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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
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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
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Ornate Sapsucking Slug - Sea Slugs
Also known as Elysia marginata, Nudibranchs, Sapsucking Slugs, Ornate Sap-sucking Slug and Ornate leaf Slug. Found singly or in large groups during the day on coral and rocky... more
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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
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Orsaki Flatworm - Flatworms
Also known as Marine Worms, Polyclad Worm and Leaf Worm. Found singly or in pairs on coral and rocky reefs amongst rubble and sand. They feed on ascidians and... more
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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
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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
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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
