river

Banded demoiselle Calopteryx splendens in side view male cut to white

Black tailed skimmer Orthetrum cancellatum dorsal view showing yellow wing veins and blue body

Blue tailed damselfly Ischnura elegans male cut to white showing mostly black body

Broad bodied chaser Libellula depressa male resting on a reed leaf with a pond view and suggestion of landscape behind

Broad bodied chaser Libellula depressa male cut to white

Common darter Sympetrum striolatum male cut to white male

Emperor dragonfly Anax imperator male dorsal view cut to white

Four spotted chaser Libellula quadrimaculata male cut to white

Hairy dragonfly Brachytron pratense male cut to white

Yellow saxifrage Saxifraga azoides with red stem and detail of single petal

Willow Salix sprig with catkin

True fox sedge Carex vulpina tussock

Pygmy marmoset Cebuella pygmaea

Chinese water deer Hydropotes inermis showing small tusks, cut to white. Sketch.

Three-spined stickleback Gasterosteus aculeatus male with background weed

Three-spined stickleback Gasterosteus aculeatus male

Siamese fighting fish Betta splendens battling

Samon Salmo salar smolt showing silvery young fish

Samon Salmo salar parr with distinctive markings and red dots

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

Samon Salmo salar hen fish showing silvery irridescence

Samon Salmo salar with watery background

Rudd Scardinius erythropthalmus

Brown trout Salmo trutta from chalk stream (with red spots)