
Sandbar shark Carcharhinus plumbeus
Sandbar shark Carcharhinus plumbeus

Salmon Salmo salar parr
Samon Salmo salar parr with distinctive markings and red dots

Salmon Salmo salar smolt
Samon Salmo salar smolt showing silvery young fish

Salmon Salmo salar
Samon Salmo salar with watery background

Rudd Scardinius erythropthalmus
Rudd Scardinius erythropthalmus

Elasmobranch (Rays, Dogfish and Sharks) egg case variety
Elasmobranch (Rays, Dogfish, skates and Sharks) egg case variety

Atlantic stingray Dasyatis sabina
Atlantic stingray Dasyatis sabina view from above and from below

Electroreception in the Hammerhead Sphyrnidae shark diagram
Electroreception in the Hammerhead Sphyrnidae shark diagram with inset of ampullae of Lorensini and hidden prey

European bullhead Cottus gobio
European bullhead Cottus gobio with background

Diagram of different fish shapes
Diagram of different simplified fish shapes

Fish anatomy diagram
Fish anatomy diagram simplified exterior and interior cross section view

Fish scale annuli used to age a fish
Fish scales used to age a fish with zoom in annuli of fish scales

Fishing net pinger deterring dolphins (but not fish)
Fishing net pingers shown on nets in the sea deterring dolphins (but not fish)

Grayling Thymallus thymallus
Grayling Thymallus thymallus

Comparison of the teeth of different shark species
Comparison of the teeth of different shark species including megalodon, great white, sandtiger, brown, cow, nurse, zebra, and sharpnose shark

Nurse shark Ginglymostoma cirratum
Nurse shark Ginglymostoma cirratum

Brown trout Salmo trutta swimming motion with background
Brown trout Salmo trutta view from above showing swimming motion with background of weeds and pebbles

Common roach Rutilus rutilus
Common roach Rutilus rutilus

Common carp Cyprinus carpio
Common carp Cyprinus carpio

Common bream Abramis brama
Common bream Abramis brama

Diagram of fishing methods
Diagram of fishing methods