Yellow moray eel
Marbled snake eel
Ornate ghost pipefish
Nudibranch gills
Dwarf cuttlefish
Green sea turtle
Denise's pygmy seahorse
Flagtail pipefish
Oil rig hotel, Borneo
Smith's cuttlefish
Titan triggerfish
Tube anemone
False clown anemonefish
Zebra lionfish
Jawfish brooding eggs in mouth
Jawfish tending its burrow
Bubble coral shrimp
Short dragonfish
Leaf fish
Cleaner shrimp cleaning a moray eel
Juvenile cuttlefish
Greater blue-ringed octopus
Flamboyant cuttlefish
Snowflake moray eel
Goldentail moray eel
White-eyed moray eel
Coral reef with an anemonefish
Spiny devilfish
Striped eel catfish
Acropora coral
Schooling bannerfish
Sarcophyton corals on a reef
Spot-banded butterflyfish
Whitemouth moray eel
Spotted moray eel
Giant moray eel fluorescing
Juvenile Atlantic chain moray eel
White-eyed moray eels
Turtle swimming through barracuda
Common ghost goby
Ribbon eel
Blue ribbon eel
Moray eel fluorescing at night
Bigscale soldierfish
Elongate surgeonfish
School of bumphead parrotfish
Blackfin barracuda shoal
Dash-and-dot goatfish
Tropical reef fish
Tropical reef
Shipwreck and fish
School of blue maomao
Blue-eyed triplefin
Bigeye trevally fish
Bigeye Trevally fish
Pygmy sweeper fish
Longlure frogfish
Lionfish
Nudibranch
Porcelain crabs on a sea pen
Spear fishing, Malaysia
NEPTUNE Ocean Observatory, illustration
Zebra moray eel
Luzon starfish and scorpionfish
Giant moray eel hunting on a reef
Yellow-margined moray
European eel
Surface of blue starfish
A school of big eye jack
Green turtle resting on reef
School of jacks
Solar-powered nudibranch
Scientist with turtle
Burrowing snake eel
Fish swimming off sipadan island
Fish in coral
Greyface moray eel on reef, Bali, Indonesia
School of snappers
Blackstripe cardinalfish and parasitic crustacean
Yawning frogfish in sponge
School of sardines in the Philippines
Diverse coral reef in the Philippines
Whale shark
Dolphin hunting mackerel
Dolphins hunting mackerel
Klein's butterflyfish
Featherstar
Honeycomb grouper
Green turtles mating
Green turtle
Red whip coral
Blueline snappers
Coral hind grouper
Ink-spot sea squirt
Barrel sponge
Giant clam
Snorkeler and frogfish
Featherstar on gorgonian coral
Ink-spot sea squirts
Sea squirts
Yellow boxfish
Pearl-streaked monocle bream
Dark red spined brittlestar with green urn sea squirts
Klein's butterflyfish feeding on sergeant major eggs
Gorgonian and blue linkia starfish, Bali, Indonesia
Orangutan crab
Octopus on the seabed
Hermit crab
Sea squirt, fluorescing
Soapfish and catfish feeding
Triplefin
Spotted garden eel
Striped surgeonfish
School of sweetlips
School of fusiliers
Moorish idol
Meyer's butterflyfish
Pygmy sweepers
Sea fan, corals and reef fish
Pink anemone fish
Bumphead parrotfish
Filefish (Chaetoderma penicilligera)
Soft corals on a coral reef
Melithaea sea fan
Butterflyfish and soft corals on a reef
Angelfish and soft corals on a reef
Pygmy sweepers and gorgonian on a reef
Dendronephthya soft corals on a reef
Crown-of-thorns starfish
Juvenile sole fish
Warty frogfish fishing
Redtooth triggerfish
Parrotfish feeding on a reef
Banggai cardinalfish
Golden damselfish
Bigeye snappers
Two-spot snappers and coral
Titan triggerfish breaking up coral
Semicircle angelfish
Sweeper fish
Eastern triangle butterflyfish feeding
Racoon butterflyfish on a reef
Black-tail dascyllus
Copper sweeper fish
Bluestriped fangblenny
Schooling fish
Square-spot fairy basslet
Chevron barracuda
White-spotted guitarfish
Blue-spotted mask-ray
Giant manta ray
Six-banded angelfish
Two-barred goatfish
Leaf scorpionfish
Weedy scorpionfish (Rhinopias frondosa)
School of damsel fish
Zebra batfish
Shaggy frogfish
Map pufferfish