Brook silverside
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
Blackspotted topminnow
Western mosquitofish, female
Three-spined stickleback
Comparative anatomy of three South American cichlids
Black skirt tetra
Yellow seahorse
Trewavas' cichlid
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
Yellow stingray foetus
Moorish idol
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
Shark jaw
Fish, X-ray
Hollowed out crab
Fish, X-ray montage
Lookdown fish, X-ray
Ocellate river stingray, 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
Cormorant, X-ray
Duck, X-ray
Winghead shark, X-ray
Male kenyi cichlid
Human joint, light micrograph
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
Seabird tick marked for population monitoring
Turbot, X-ray
Fish chart
Examples of deep sea fishes, illustration
Nematocyst stinging cell, illustration
Driftwood catfish
Bryozoan colony, light micrograph
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
Whiting, X-ray
Fig shells, X-ray
Thornback ray, X-ray
Mussel in shell
Tardigrade, SEM
Rhinoceros hornbill skull
Smalltooth sawfish, X-ray
Torrent loaches, X-ray
Pirillos, X-ray
Mouse tail internal structure, light micrograph
Fish embryo, light micrograph
Snake, X-ray
Elephant bones
Common fruit fly male exoskeleton light micrograph
Housefly wing, light micrograph
Cane toad, X-ray
Stone marten, X-ray
Veiled chameleon and grasshopper, X-ray
Dog fish tail, X-ray
Gurnard fish, X-ray
Elephant jaw
Rock greenling
Electric ray
Chinese box turtle
Marine animals, X-ray
Seahorses, X-ray
Paramecium, light micrograph
Water flea, light micrograph
Shell of sea snail
Starfish skeleton
Tuna, X-ray
Fish and aquatic plants, X-ray
Longhorn cowfish, X-ray
Sergeant major fish
Adorned wrasse
Lionhead goldfish
Sailfin molly
Chalk bass
Firemouth cichlid
Albino rainbow shark
Young fish
Rock gunnel
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
Sole fish, X-ray
John Dory fish, X-ray
Rat, X-ray
Small-spotted catshark, X-ray
Tropical gar, X-ray
Retzer's elephant-nose knifefish, X-ray
Longnose batfish, X-ray
Short dragonfish, X-ray
Ghost pipefish, X-ray
Grooved razorfish, X-ray
Bothid flatfish, X-ray
Frog on a water lily pad, X-ray
Yemen chameleon and seahorses, X-ray
Striped red mullet, artwork
Salema porgy bream in seagrass, artwork
Plankton and fish, artwork