Fish Biology & Entomology

Trout eat what the river is producing, in the stage the river is producing it. This section explains that food chain from the bottom up.

• Mayflies, Caddisflies and Midges: An Angler’s Guide to Aquatic Insect Life Cycles — the two kinds of metamorphosis, every stage from nymph to spinner, behavioural drift, hatch triggers, how to tell the orders apart, and a hatch-matching table.