jaws

Spotted hyena Crocuta crocuta with leg bone of giraffe

Great White shark Carcharodon carcharias showing denticles and skin, and the Sharklet anti-bacterial material that is has inspired. Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books)

Trapdoor jaw ant Odontomachus bauri head showing mandibles with trigger hairs From “30 Animsl that made us Smarter” by Patrick Aryee (BBC Books)

Siamese fighting fish Betta splendens battling

Stone fish Synanceia verrucosa camoflauged with its background

Striped bass Morone saxatilis

Three-spined stickleback Gasterosteus aculeatus male

Three-spined stickleback Gasterosteus aculeatus male with background weed

Rudd Scardinius erythropthalmus

Samon Salmo salar with watery background

Samon Salmo salar hen fish showing silvery irridescence

Samon Salmo salar hen, cock, parr, and smolt stages with text

Samon Salmo salar parr with distinctive markings and red dots

Samon Salmo salar smolt showing silvery young fish

Seahorse family diagram showing pipefish, leafy seadragon, and other syngnathidae

Diagram of different simplified fish shapes

Diagram of fishing methods

Eel Anguilla anguilla swimming with weed and background

European bullhead Cottus gobio with background

Fish anatomy diagram simplified exterior and interior cross section view

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

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

Grayling Thymallus thymallus

Northern pike Esox lucius lurking with background of weeds