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Fly Hatch Talk

> Missing genera (from missing list)

The tiny mayflies of this family are usually found in warm, slow, marginal trout water, although some trout streams hold good populations too.

The only genus ever known to produce fishable hatches is Caenis. It turns up frequently for anglers who sample nymphs, but it is rarely of any practical importance for fly fishing because its emergence traits and tiny size (even smaller than Tricorythodes) make it relatively unimportant.

Brachycercus is even more focused on warm water than Caenis.