natural science

Amethyst deceiver Laccaria amethystina clump growing on moss and dead woos and in different stages of growth

Arrowhead Sagittaria sagittifolia pencil image showing plant above and below wtaer and the different leaves in both habitats, in flwoer

Iris in gravel with blue petals

Garden border in spring with tulips, crocus, daffodils and daisies abutting a carefully tended lawn and edged with concrete slabs

Sandbar shark Carcharhinus plumbeus

Sandtiger shark Carcharias Taurus

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

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

Zebra shark Stegostoma fasciatum

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

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

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

European bullhead Cottus gobio with background

European Rockpool diagram showing lots of shoreline crustaceans, bivalves, anenomes, and gastropods, sea weeds, and background

Fish anatomy diagram simplified exterior and interior cross section view