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.

Obicular Damselfish - Damselfishes

Also known as Guru, Obicular Damsel, Sergeant. Found singly or in pairs over shallow lagoons and reefs channels coastal and outer reefs. They feed on algae and zooplankton. Length -.. more

Oblong Silverbiddy - Mojarras

Also known as Elongate Silverbiddy, Large-bodied Silverbiddy, Oblong Mojarra, Oblong Pursemouth, Oblong Silverbelly, Pursemouths, Silverbellies, Silverbiddies, Slender Silverbiddy, Slender-bodied Silverbiddy. Found in schools over sand and weedy areas.. more

Obscure Damsel (Juvenile) - Damselfishes

Also known as Dusky Damsel, Half-ocellus Damsel, Obscure Damselfish. Found singly or in pairs over open rubble patches of lagoons, coastal and seaward reefs. They feed on algae, benthic.. more

Obtuse Barracuda - Barracudas

Also known as Blunt Barracuda, Bluntjaw Seapike, Blunt-jawed Seapike, Dark-finned Seapike, Dingo Fish, Green and Gold Seapike, Highfin Barracuda, Pygmy Barracuda, Red Barracuda, Sea Pikes, Sennit, Short-finned.. more

Ocean Sunfish - Puffers-Filefishes---Molas-Ocean Sunfishes

Also known as Common Mola, Giant Sunfish, Headfish, Mola Ocean Sunfish, Moonfish, Sunfish. Found singly or in pairs, over slopes close to very deep water, usually in the.. more

Ocean Surgeonfish - Surgeonfishes-Tangs-Unicornfishes

Also known as Barber Surgeonfish, Doctorfishes, Lancetfishes, Ocean Surgeon, Ocean Tang, Thorntail Fish, Thorntails. Found singly or in roaming schools over mixed gravel, rock and sand substrate of.. more

Ocean Surgeonfish (Juvenile) - Surgeonfishes-Tangs-Unicornfishes

Also known as Barber Surgeonfish, Doctorfishes, Lancetfishes, Ocean Surgeon, Ocean Tang, Thorntail Fish, Thorntails. Found singly or in roaming schools over mixed gravel, rock and sand substrate of.. more

Ocean Triggerfish - Triggerfishes

Also known as Filefish, Ocean Tally, Turbot. Found singly or in small schools in weedy areas over drop-offs of seaward reefs. They feed on large zooplankton. Length - 65cm Depth -.. more

Ocean Whitefish - Tilefishes

Also known as Blanquillo, Tile Fin. Found singly on sand and mud bottoms of rocky reefs. They dig into the substrate for small fish and invertebrates. Length - 102cm Depth -.. more

Oceanic Pufferfish - Puffers-Filefishes---Puffers

Also known as Blowfishes, Pufferfish, Toadfishes, Oceanic Puffer and Rabbit Puffer. Found mainly in the oceans but can be found in estuaries (maybe for breeding). They feed on crustaceans.. more

Oceanic Triggerfish - Triggerfishes

Also known as Ocean Triggerfish, Rough Triggerfish, Spotted Oceanic Triggerfish, Spotted Triggerfish, White-spotted Triggerfish. Found in large schools over shallow coastal waters as well as deep, steep outer.. more

Oceanic Whitetip Shark - Sharks---Requim Sharks

Also known as Brown Milbert's Sandbar Shark, Brown Shark, Nigano Shark, Oceanic Shark, Oceanic White-tipped Whaler, Silvertip Shark, Whitetip, Whitetip Shark, White-tipped Shark, Whitetip Whaler. Found singly often.. more

Ocellata Nudibranch - Sea Slugs

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

Ocellate Coralfish - Butterflyfishes

Also known as Coralfishes, Eye-spot Butterflyfish, Eye-spot Coralfish, False Batfish, Four-banded Butterflyfish, Kite Butterflyfish, Kite Coralfish, Ocellate Butteflyfish, Ocellated Butterflyfish, Ocellated Coral, Ocellated Coralfish, Sixspine Butterflyfish, Sixspine.. more

Ocellated Flounder - Flatfishes---Large-tooth Flounders

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

Ocellated Tozeuma Shrimp - Shrimps

Also known as Broken-back Shrimp, Carid Shrimps, Hump-backed Shrimp, Sawblade Shrimps, Tozeuma Shrimp, Sawblade Shrimps. Found singly or in small groups on algae, soft corals, rope sponges, seagrass.. more

Ocellated Waspfish - Scorpionfishes-Flatheads---Waspscorpionfishes

Also known as Bearded Waspfish, Bullrout, Longfin Waspfish, Long-finned Waspfish, Ring-tailed Waspfish, Stonefish, Sulky, Waspfish. Found singly over soft sandy bottoms, burying itself during the day with just.. more

Odessa Barb - Carps---Minnows-Carps

Also known as Ruby Barb, Scarlett Barb. Found in schools over ponds and tributaries of the river Chindwin in Myanmar. They feed on insects, small invertebrates and worms. Length.. more

Offshore cardinalfish - Cardinalfishes

Also known as - no other name Found over soft sand and silt bottoms of coral reefs, sheltering during the day, feeding at night. Length - 5.2cm Depth - 14-155m Widespread.. more

Old Club Sea Star - Sea Stars

Also known as Starfish, Nail-armed Sea Star, Nail Sea Star, Studded Sea Star, Studded Starfish and Military Starfish. Found singly or in groups in lagoons and bays on.. more

Old Glory - Gobies

Also known as Court Jester Goby, Gudgeons, Old Glory Goby, Orange-striped Goby, Rainford's Goby, Red-lined Goby, Red-striped Goby, Reef Gobies. Found singly or in small schools over.. more

Old Wife - Oldwife

Also known as Angelfish, Bastard Dory, Double Scalare, Moonlighter, Scalare, Zebra Fish, Zebra-tail. Found singly, pairs or in large schools over seagrass beds and rocky areas of estuaries,.. more

Olivar's Squat Lobster - Squat Lobsters

Also known as Anomura Crabs, Bug-eyed Squat Lobster, Robokon Squat Lobster. Found in small holes often with just the head and arms exposed over shallow waters of coral.. more

Olive Sea Snake - Sea Snakes---Venomous Sea Snakes

Also known as Golden Sea Snake, Olive Brown Sea Snake. Found singly cruising the seabed for food over lagoons and coastal coral and rocky reefs. They feed on crustaceans,.. more

Olive Tambja - Sea Slugs

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

Oman Anemonefish - Damselfishes

Also known as Anemonefish, Blueband Anemonefish, Blueband Clownfish, Clown Anemonefish, Clownfish, Dhofar Clownfish, Oman Clownfish, Omani Clownfish. Found in pairs and families with their host anemone over sheltered.. more

Oman Cuttlefish - Cuttlefishes

Also known as Cephalopods, Large Striped Cuttlefish. Found over sand of coral and rocky reefs. They feed on small fish and crustaceans. Colour changes to match surroundings. Length - 10cm Depth -.. more

Oneline Clingfish - Clingfishes-Singleslits

Also known as Crinoid Clingfish, Onestripe Clingfish, Sea Lily Clingfish. Found singly or in pairs hiding in the arms of criniods over coastal and inner protected reefs. They feed.. more

Onespot Demoiselle - Damselfishes

Also known as Cape Damsel, Onespot Damsel, Onespot Damselfish. Found singly or in small schools in moderate very shallow surge zones over reef flats, rocky beaches and rubble.. more

Onespot Demoiselle (Juvenile) - Damselfishes

Also known as Cape Damsel, Onespot Damsel, Onespot Damselfish. Found singly or in small schools in moderate very shallow surge zones over reef flats, rocky beaches and rubble.. more

Onespot Snapper - Snappers

Also known as Blackspot Red Snapper, Blue-lined Snapper, Moses Perch, Onespot Perch, Onespot Seaperch, Red Snapper, Sea Perch. Found singly or in small schools close to the shelter.. more

Opah - Velifers-Tube-eyes-Ribbonfishes---Opah

Also known as Glacefish, Jerusalem Haddock, John Dory, Kingfish, Lampris, Mariposa, Moonfish, Ocean Moonfish, Opal Fish, San Pedrofish, Spotted Moonfish, Spotted Opah, Sunfish. Found singly in oceanic waters. They.. more

Orange Anemonefish - Damselfishes

Also known as Anemonefish, Clown Anemonefish, Clownfish, Eastern Skunk Anemonefish, Golden Anemonefish, Orange Anemonefish, Orange Clownfish, Orange Skunk Clownfish, Skunk Anemonefish, Skunk Clownfish, Yellow Clownfish, Yellow Skunk.. more

Orange Angelfish - Angelfishes

Also known as Damsel Angelfish, Dwarf Angelfish, Fisher's Angel, Fisher's Angelfish, Fisher's Dwarf Angelfish, Fisher's Pygmy, Fisher's Pygmy Angelfish, Hawaiian Flame Angelfish, Pygmy Angelfish, Whitetail Angelfish,.. more

Orange Fiddler Crab - Crabs

Also known as Fiddler Crabs, Calling Fiddler Crab, Orange-clawed Fiddler Crab and Yellow-clawed Fiddler Crab. Found over sand and mud areas of lagoon beaches close to the.. more

Orange Filefish - Puffers-Filefish---Filefishes

Also known as Leatherjackets, Tobaccofish. Found singly, pairs or in schools over mud, sand and seagrass beds of reefs. They feed on algae and seagrass. Length - 40cm Depth - 3-900m Widespread.. more

Orange-and-Black Dragonet - Dragonets

Also known as Fingered Dragonet, Kuiter's Dragonet, Orangeblack Dragonet, Sailfin Dragonet. Found singly or in pairs on protected mud flats with sand and weedy bottoms. Sometimes buried during the.. more

Orange-banded Coralfish - Butterflyfishes

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

Orange-banded Pipefish - Pipefishes-Seahorses

Also known as Banded Pipefish, Candy Pipefish, Candycane Pipefish, Flagtail Pipefish, Yellow-banded Pipefish, Yellowbar Pipefish. Found singly or in pairs close to the bottom around remote coral.. more

Orange-dashed Goby - Gobies

Also known as Blackchin Sleepergoby, Diamond Goby, Diamond Sleepergoby, Diamond Watchman Goby, Diamondspot Goby, Gudgeons, Maiden Goby, Orangedash Goby, Orange Diamond Goby, Orange-spotted Glidergoby, Orange-spotted Goby, Orange-spotted.. more

Orange-finned Anemonefish - Damselfishes

Also known as Anemonefish, Blueline Clownfish, Bluestripe Anemonefish, Bluestripe Clownfish, Blue-striped Anemonefish, Blue-striped Clownfish, Clown Anemonefish, Clownfish, Filipino Orangefin Anemonefish, Orangefin Anemonefish, Orangefin Clownfish, Orange-finned Clownfish, Two-banded.. more

Orange-lined Cardinalfish - Cardinalfishes

Also known as Narrow-lined Cardinalfish, Painted Cardinal, Painted Cardinalfish, Red-barred Cardinal, Red-barred Cardinalfish. Found in dense schools often sheltering at the entrance to caves or amongst branching corals.. more

Orange-lined Triggerfish - Triggerfishes

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

Orange-lined Triggerfish (Juvenile) - Triggerfishes

Also known as Green Triggerfish, Leatherjackets, Orangestripe Triggerfish, Orange-striped Triggerfish, Red-lined Triggerfish, Striped Triggerfish, Undulate Triggerfish, Undulated Trigger, Undulated Triggerfish, Vermiculated Triggerfish, Yellowtail Triggerfish. Found singly and territorially.. 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-saddle Fugu Pufferfish - Puffers-Filefishes---Puffers

Also known as Fugu Puffer, Ocellated Puffer, Orange Saddle Puffer, Orange Saddle Pufferfish, Peacock Puffer, Pufferfish. Found singly, pairs or in small groups over rubble areas of lagoons.. more

Orange-socket Surgeonfish - Surgeonfishes-Tangs-Unicornfishes

Also known as Doctorfishes, Lancetfishes, Ringtail Doctorfish, Ringtail Surgeon, Ringtail Surgeonfish, Thorntail Fish, Thorntails. Found in small schools often mixing with other similar species, over shallow protected reef.. more

Orange-spotted Blenny - Blennies---Combtooth Blennies

Also known as Coral Blennies, Reef Blennies, Rock Blennies. Found singly or in pairs often perched near their holes or with their heads just poking out, in very.. more

Orange-spotted Filefish - Puffers-Filefish---Filefishes

Also known as Leatherjackets, Orangefleck Filefish, Orangespot Filefish, Orange-spotted File, Stoplight Filefish, Tail-light Filefish, Tobaccofish. Found singly in shallow waters close to the bottom hiding in branching corals.. more

Orange-spotted Goby - Gobies

Also known as Brown-speckled Sandgoby, Gudgeons, Orange-spotted Sandgoby, Rigilius Goby, Sand Gobies. Found singly or in pairs close to their burrows in clearwater sandy areas with living corals.. more

Orange-spotted Grouper - Sea Basses-Groupers-Fairy Basslets

Also known as Sea Bass, Rockcods, Cods, Hinds, Trouts, Orange-spotted Rockcod, Brown-spotted Grouper, Brown-spotted Rockcod, Gold-spotted Rockcod, Estuary Cod, Estuary Rockcod, Coral Cod, Reef Cod and.. more

Orange-spotted Pipefish - Pipefishes-Seahorses

Also known as Ocellate Pipefish, Ocellated Pipefish. Found in pairs over rubble patches of shallow sheltered reefs. They feed on tiny swimming invertebrates which they suck whole into their.. more

Orange-spotted sunfish - Sunfishes

Also known as Dwarf Sunfish, Pigmy Sunfish, Red-spotted Sunfish, Sunperch. Found close to vegetation in quite creeks, lakes, pools and murky waters of rivers. They feed on tiny crustaceans.. more

Orange-spotted Toadfish - Puffers-Filefishes---Puffers

Also known as Blowfishes, Toadfishes, Cheek-barred Toadfish, Dwarf Blowfish, Northern Toadfish, Orange-banded Blowfish, Pufferfish. Found in small groups in protected shallow coastal bays and estuaries over sand, rubble.. more

Orange-spotted Trevally - Jacks-Pompanos

Also known as Carangue Bajad, Gold-spotted Jack, Gold-spotted Trevally, Orange-spotted Jack, Trevallies. Found schools sometimes mixed with others, patrolling around coral heads, over muddy bays, lagoons and coastal.. more

Orange-striped Emperor - Emperors-Scavengers

Also known as Orangestripe Emperor, Pigface Bream, Yellow-banded Emperor, Yellow-banded Pigface Bream, Yellow-banded Porgy, Yellowstripe Emperor. Found singly or in schools over rubble, sand and seagrass beds.. more

Orange-striped Emperor (Juvenile) - Emperors-Scavengers

Also known as Orangestripe Emperor, Pigface Bream, Yellow-banded Emperor, Yellow-banded Pigface Bream, Yellow-banded Porgy, Yellowstripe Emperor. Found singly or in schools over rubble, sand and seagrass beds.. 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-Tangs-Unicornfishes

Also known as Doctorfishes, Lancetfishes, Olive Surgeonfish, Orangeband Tang, Orange-banded Surgeonfish, Orangebar Surgeonfish, Orangebar Tang, Orangeblotch Surgeon, Orangeblotch Surgeonfish, Orangeblotch Tang, Orange-ear Surgeonfish, Orange-epaulette Surgeonfish, Orange-epaulette Tang,.. more

Orangefin Cichlid - Cichlids

Also known as Eartheaters, Geos, Mother-of-Pearl Eartheater, Opalescent Eartheater, Orange Head, Orangehead Eartheater, Redcap, Redhead, Red head Tapajos, Redstriped Eartheater, Tapajos. Found digging in the substrate and sifting.. more

Orangefin Ponyfish - Slimys-Slipmouths-Ponyfishes

Also known as Deep Pugnose Pony, Orange Ponyfish, Orangefin Slipmouth, Orangetip Ponyfish, Orange-tipped Ponyfish, Silver Bellies, Silverbelly, Soapy, Soapy Pony, Tooth Pony. Found in schools over mud.. more

Orangeside Triggerfish - Triggerfishes

Also known as Orange-sided 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-Tangs-Unicornfishes

Also called Barcheek Unicornfish, Blonde Naso Tang, Clown Tang, Doctorfishes, Lancetfishes, Lipstick Tang, Lipstick Unicornfish, Masked Unicornfish, Naso Surgeonfish, Naso Tang, Orange Unicorn Tang, Orangespine Surgeonfish, Orange-spined.. more

Orangetip Bristletooth - Surgeonfishes-Tangs-Unicornfishes

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---Decorator Crabs

Also known as Brachyura Crabs, Bubble Coral Crab, Decorator Crab, Hairy Crab, Hairy Spider Crab, Granchio Orangutan, Oncinopus japonicus, Orangutan Krabbe, Orangutang Crab, Orangutang Spider Crab, Spider.. more

Orb Fish - Spadefishes-Batfishes-Scats

Also know as Orbfish, Orbicular Spadefish, Orbiculate Spadefish and Round Spadefish. Found in shallow waters over mud bottoms of coastal reefs. They feed on benthic invertebrates and fish. Length -.. more

Orbicular Burrfish - Puffers-Filefish---Porcupinefishes-Burrfishes

Also known as Balloonfish, Birdbeak Burrfish, Bridled Burrfish, Globefishes, Hedgehog Fishes, Porcupine Pufferfish, Round Burrfish, Rounded Porcupinefish, Shortspine Porcupinefish, Spiny Pufferfish, Swelltoads. Found singly often in large sponges.. more

Orbicular Cardinalfish - Cardinalfishes

Also known as Chubby Cardinal, Chubby Cardinalfish, Orbic Cardinalfish, Orbiculate Cardinalfish, Orbiculated Cardinalfish, Polka-dot Cardinalfish. Found in small groups over coastal waters during the day sheltering in and.. more

Orchid Dottyback - Dottybacks

Also known as Fridman's Dottyback, Fridman's Pseudochromi, Purple Dottyback, Pygmy Basslet. Found singly in crevices and holes under overhangs and along vertical rock faces of lagoons and seaward.. more

Oriental Butterflyfish - Butterflyfishes

Also known as Coralfishes, Gold Butterflyfish, Golden Butterflyfish, Modest Butterflyfish. Found singly, pairs or in groups over rocky reefs rich in algae and coral growth. They feed on filamentous.. more

Oriental File Shell - Bivalves

Also known as a Dancing File Clam, False Flying Shell, File Shell, Flame Scallop, Molluscs, Oysters, Red Fire Shell, Fire Shell. Found singly or in groups in caves,.. more

Oriental Sweetlips - Grunts

Also known as Indian Ocean Oriental Sweetlips, Oriental Blubberlips, Oriental Dogfish, Oriental Grunt, Oriental Sweetlip, Oriental Thicklip, Sweetlips, Yellow-banded Sweetlips. Found singly or in schools close to.. more

Oriental Sweetlips (Juvenile) - Grunts

Also known as Indian Ocean Oriental Sweetlips, Oriental Blubberlips, Oriental Dogfish, Oriental Grunt, Oriental Sweetlip, Oriental Thicklip, Sweetlips, Yellow-banded Sweetlips. Found singly or in schools close to.. more

Ornamented Wrasse (Juvenile) - Wrasses

Also known as Sand-reef Wrasses, Ornate Wrasse, Ornamental Wrasse, Christmas Wrasse. Found singly in lagoons and seaward reefs. They feed on crustaceans and mollusks. Length - 15cm Depth - 10-40m Widespread Pacific Most.. more

Ornate Bichir - Bichirs

Also known as Ornate Bichir Eel Catfish, Reedfishes, Ropefishes, Sailfins. Found singly in calm waters of drainage ditches from lakes, rivers and swamps. They feed nocturnally on fish, insect.. more

Ornate Blue Crab - Crabs

Also known as Brachyura Crabs, Ornate Blue Swimming Crab, Ornate Crab, Shelling Crab, Swimming Crabs, True Crabs, Western Atlantic Blue Crab, Western Atlantic Swimming Crab. Found close to.. more

Ornate Butterflyfish - Butterflyfishes

Also known as Clown Butterfly, Clown Butterflyfish, Coralfishes, Ornate Butterfly, Ornate Coralfish, Ornatissimus Butterfly. Found singly or in pairs over clearwater lagoons and seaward reefs rich in coral.. more

Ornate Cowfish - Boxfishes---Deepwater Boxfishes

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

Ornate emperor - Emperors-Scavengers

Also known as Breams, Redsnout Emperor, Reticulated Pigface Bream, Striped Emperor, Yellow-striped Emperor. Found singly or in small schools over soft bottoms and seagrass beds of inshore bays,.. more

Ornate Ghostpipefish - Pipefishes-Seahorses---Ghostpipefishes

Also known as False Pipefishes, Harlequin Ghostpipefish, Harlequin Ornate Ghostpipefish, Tubemouth Fishes. Found singly, pairs or family groups floating with head down amongst crinoids, branches of gorgonians and.. more

Ornate Goby - Gobies

Also known as Gudgeons, Ornate Lagoon Goby, Ornate Sand Goby, Sand Gobies. Found singly close to their burrows in very shallow silty, rock and rubble areas close to.. more

Ornate Sapsucking Slug - Sea Slugs---Sapsucking Slugs

Also known as Leaf Slug, Ornate Elysia, Ornate Leaf Slug, Ornate Sap-sucking Slug, Sapsucking Slugs. Found singly or in large groups during the day over patches of sand.. more

Ornate Spiny Lobster - Lobsters---Spiny Lobsters

Also known as Crustaceans, Spiny Lobsters, Ornate Rock Lobster and Tropical Rock Lobster. Found singly or in small groups on sheltered coral and rocky reefs, lagoons, caves and.. more

Ornate Wrasse - Wrasses

Also known as Lunate-tailed Wrasses, Peacock Wrasse. Found singly or in small schools close to rocks and seagrass beds lagoons, coastal reefs. They feed on crustaceans and small.. more

Ornate Wrasse - Wrasses

Also known as False Leopard, False Leopard Wrasse, Ornate Leopard Wrasse, Sand-reef Wrasses, Western Leopard Wrasse. Found singly or in small schools over mixed coral, rubble and sand.. more

Ornate Wrasse (juvenile) - Wrasses

Also known as Lunate-tailed Wrasses, Peacock Wrasse. Found singly or in small schools close to rocks and seagrass beds lagoons, coastal reefs. They feed on crustaceans and small.. more

Oscar - Cichlids

Also known as Black Oscar, King Cichlid, Marble Cichlid, Oscar Cichlid, Oscar Fish, Red Oscar, Tiger Oscar, Tiger Oscar Cichlid, Velvet Cichlid. Found in quiet shallow waters over.. more

Oto - Catfishes---Armored Catfishes

Also known as Algae Eater, Armored Oto Catfish, Dwarf Armored Catfish, Dwarf Otto, Dwarf Otocinclus, Dwarf Sucker, Dwarf Sucker Catfish, Dwarf Suckermouth Catfish, Dwarf Sucking Catfish, Midget.. more

Oval-spot Butterflyfish - Butterflyfishes

Also known as Coralfishes, Mirror Butterflyfish, Onespot Butterfly, Onespot Butterflyfish, Ovalspot Coralfish, Oval-spotted Coralfish, Speculum Butterflyfish, Spotted Butterflyfish. Found singly or in pairs over coastal reef.. more

Oxeye Scad - Jacks-Pompanos

Also known as Bonito, Eye-of-the-Sea, Scad, Selar, Trevallies, Yellowband Scad. Found in large schools over coastal areas, dispersing at night to feed. They feed on benthic crustaceans and invertebrates. Length.. more

Oxina Cardinalfish - Cardinalfishes

Also known as - no other name. Found singly or in small groups often over coral and rocky reefs usually sheltering during the day coming out at night.. more

Oxyrhyncha Mantis Shrimp - Mantis Shrimps

Also known as Praying Mantis, Praying Mantis Shrimp, Spearing Mantis Shrimp. Found around rubble and sandy areas with several burrows to hide inver coral and rocky reefs. They feed.. more

Oyster Blenny - Blennies---Combtooth Blennies

Also known as Australian Oyster Blenny, Brachiosaurus Blenny, Coral Blennies, Crested Blenny, Oyster Shell Blenny, Reef Blennies, Rock Blennies. Found in pairs hiding in crevices, holes and dead.. more

Oyster Toadfish - Toadfishes

Also known as Bar Dog, Barbells, Common Toadfish, Frogfishes, Oyster Catcher, Oyster Cracker, Ugly Toad. Found singly often in shallow polluted waters amongst litter strewn and rocky.. more

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