Blackspotted topminnow
Shovelnose sturgeon
Doctorfish
Bar anchovy
Pirate perch
Freshwater drum
Mexican tetra
Bearded brotula
Spotted sharpnose
Cichlid
Sucker fish
Clown featherback juvenile
Atlantic stingray
Malawi eyebiter head
Malawi eyebiter
Snowflake eel
Bandfin darter
Western mosquitofish, female
Three-spined stickleback
Black skirt tetra
Trewavas' cichlid
Brook silverside
Dwarf flag cichlid
Buenos Aires tetra
Scale-eating cichlid
Black drum
American paddlefish
Bighead sea robin
Amazon sailfin catfish
Demon eartheater
Electric blue cichlid
Red scorpionfish
Devil scorpionfish
Flasher scorpionfish
Lookdown fish
Redeye piranha
Black banded piranha
Harlequin rasbora
Yellow stingray
Moorish idol
Comparative anatomy of three South American cichlids
Yellow seahorse
Yellow stingray foetus
Shad larvae
Cheek scale from sea goldie
Sea goldie
Sea goldie head
Cichlid head
American paddlefish rostrum
Scale variation in Tropheops fish
Pomfret fish and aquatic plants, X-ray
Monkfish, X-ray
Juvenile goby
Juvenile Pleuronectid flatfish
Fish, X-ray
Shark jaw
Ocellate river stingray, X-ray
Hollowed out crab
Fish, X-ray montage
Lookdown fish, X-ray
Juvenile pollack
Clingfish
Long-spined sea scorpion and clingfish
Juvenile pollack and Indian glass perch
Shark jaw, X-ray
Frog diving into water
Fish chart
Examples of deep sea fishes, illustration
Driftwood catfish
Bryozoan colony, light micrograph
Thornback ray, X-ray
Shrimps, X-ray
Argonaut shell, X-ray
Sand dollars, X-ray
Spindle shells, X-ray
Brill, X-ray
European flounder X-ray
Freshwater fish in a pond, X-ray
Fig shells, X-ray
Whiting, X-ray
Cormorant, X-ray
Duck, X-ray
Winghead shark, X-ray
Male kenyi cichlid
Human joint, light micrograph
Rock greenling
Crab, X-ray
Weasel, X-ray
Pool frog, X-ray
Lizard, X-ray
Indian python, X-ray
Veiled chameleon, X-ray
Spiny-tailed monitor, X-ray
Cockroach wing, light micrograph
Peregrine falcon skeleton
Elephant teeth
Chicken, X-ray
Coot and irises, X-ray
Duck and flowers, X-ray
Seabird tick marked for population monitoring
Chinese box turtle
Turbot, X-ray
Nematocyst stinging cell, illustration
Mussel in shell
Tardigrade, SEM
Rhinoceros hornbill skull
Sergeant major fish
Adorned wrasse
Sailfin molly
Chalk bass
Firemouth cichlid
Young fish
Rock gunnel
Smalltooth sawfish, X-ray
Torrent loaches, X-ray
Pirillos, X-ray
Mouse tail internal structure, light micrograph
Selection of starfish
Salema porgy bream in seagrass, artwork
Plankton and fish, artwork
Fish embryo, light micrograph
Flathead scorpionfish
Moray eel
Fish
Snake, X-ray
Archer fish squirting water at prey
Stone marten, X-ray
Veiled chameleon and grasshopper, X-ray
Common fruit fly male exoskeleton light micrograph
Housefly wing, light micrograph
Cane toad, X-ray
Elephant bones
Dog fish tail, X-ray
Gurnard fish, X-ray
Elephant jaw
Electric ray
Undulate ray
Underwater view of school of fish, Ixtapa, Guerrero, Mexico
Tassled scorpionfish
Flounder camouflaged on a reef
Threadfin hawkfish on reef, West Papua, Indonesia
Camouflaged fish
Stickleback making nest on riverbed
Bluestriped fangblenny
Marine animals, X-ray
Seahorses, X-ray
Shell of sea snail
Starfish skeleton
Paramecium, light micrograph
Water flea, light micrograph
Tuna, X-ray
Longhorn cowfish, X-ray
Fish and aquatic plants, X-ray
Lionhead goldfish
Albino rainbow shark
Rat, X-ray
Chameleon, X-ray
Mahi-mahi fish, X-ray
Frog and water lilies, X-ray
Iguana and peonies, X-ray
Iguanas, X-ray
Lizards, X-ray
Python and lizard, X-ray
Monitor lizards, X-ray
Monkey, X-ray
Python and protea flower, X-ray