Cichlid
Yellow seahorse
Lookdown fish
Moorish idol
Trewavas' cichlid
Dwarf flag cichlid
Scale-eating cichlid
Electric blue cichlid
Cheek scale from sea goldie
Sea goldie
Cichlid head
Shovelnose sturgeon
Doctorfish
Bar anchovy
Pirate perch
Freshwater drum
Mexican tetra
Bearded brotula
Spotted sharpnose
Sucker fish
Clown featherback juvenile
Atlantic stingray
Malawi eyebiter head
Malawi eyebiter
Snowflake eel
Bandfin darter
Blackspotted topminnow
Western mosquitofish, female
Three-spined stickleback
Comparative anatomy of three South American cichlids
Black skirt tetra
Brook silverside
Buenos Aires tetra
Black drum
American paddlefish
Bighead sea robin
Amazon sailfin catfish
Demon eartheater
Red scorpionfish
Devil scorpionfish
Flasher scorpionfish
Redeye piranha
Black banded piranha
Harlequin rasbora
Yellow stingray
Yellow stingray foetus
Sea goldie head
Shad larvae
American paddlefish rostrum
Scale variation in Tropheops fish
Monkfish, X-ray
Juvenile Pleuronectid flatfish
Shark jaw
Fish, X-ray
Male kenyi cichlid
Pomfret fish and aquatic plants, X-ray
Lookdown fish, X-ray
Clingfish
Long-spined sea scorpion and clingfish
Fish, X-ray montage
Shark jaw, X-ray
Juvenile goby
Juvenile pollack and Indian glass perch
Hollowed out crab
Turbot, X-ray
Fish chart
Driftwood catfish
Orange blotch zebra cichlid
Ocellate river stingray, X-ray
Juvenile pollack
Yellowtail anemonefish
Flathead scorpionfish
Moray eel
Fish
Seahorses, X-ray
Tuna, X-ray
Gurnard fish, X-ray
Fish and aquatic plants, X-ray
Longhorn cowfish, X-ray
Underwater view of sea life, Ixtapa, Guerrero, Mexico
Underwater view of school of fish, Ixtapa, Guerrero, Mexico
Underwater view of school of striped fish, Ixtapa, Guerrero, Mexico
Underwater view of school of fish, Zihuatanejo, Guerrero, Mexico
Underwater view of fish and ocean floor, Zihuatanejo, Guerrero, Mexico
Underwater view of school of fish and ocean floor, Ixtapa, Guerrero, Mexico
Underwater view of fish, Zihuatanejo, Guerrero, Mexico
Underwater view of fish and ocen floor, Zihuatanejo, Guerrero, Mexico
Underwater view of school of fish and ocean floor, Zihuatanejo, Guerrero, Mexico
Flathead fish
Schoolmaster snapper on a reef
Bluestriped fangblenny
Oceanic whitetip shark and pilot fish
Leopard flounder
Rock gunnel
Pinnate batfish, Indonesia
Cardinalfish on coral reef, Indonesia
Stickleback making nest on riverbed
Firemouth cichlid
Shrimps, X-ray
Sand dollars, X-ray
Mussel in shell
Longnose batfish, X-ray
Grooved razorfish, X-ray
Frog diving into water
Striped red mullet, artwork
Plankton and fish, artwork
Blackfin barracuda
Cormorant, X-ray
Duck, X-ray
Winghead shark, X-ray
Fossil fish, Dapedium punctatus
Shoal of fish, X-ray
Spiny pufferfish
Undulate ray
Seahorses holding onto coral with their tails
Caribbean seahorse
Human joint, light micrograph
Zebra cichlid
Cichlid fish
Scabbard fish, X-ray
Powderblue surgeonfish schooling
Pajama cardinalfish
Great white shark
Snapper on reef, Indonesia
Goldfish fry, six days old
Black and gold leopard corydoras for fish tank
Calico fantail fish
Bronze corydorus
Goldfish swimming in a tank
Comet-tailed goldfish
Peregrine falcon skeleton
Elephant teeth
Crab, X-ray
Chicken, X-ray
Coot and irises, X-ray
Duck and flowers, X-ray
Cockroach wing, light micrograph
Weasel, X-ray
Pool frog, X-ray
Lizard, X-ray
Indian python, X-ray
Veiled chameleon, X-ray
Spiny-tailed monitor, X-ray
Marine animals, X-ray
Freshwater pond fish and plants, X-ray
Rock greenling
Magnificent shrimp on snake eel
Seabird tick marked for population monitoring
Pygmy seahorse on coral
Examples of deep sea fishes, illustration
Nematocyst stinging cell, illustration
Bryozoan colony, light micrograph
Argonaut shell, X-ray
Spindle shells, X-ray
Brill, X-ray
European flounder X-ray
Freshwater fish in a pond, X-ray
Whiting, X-ray
Fig shells, X-ray
Thornback ray, X-ray
Tardigrade, SEM
Ghost pipefish, X-ray