Flathead mayfly nymph

big eyes

Habitat:
Flathead mayfly nymphs are common in flowing waters of streams and rivers
Size:
Mature nymphs can grow up to sizes around 20 mm (not including antennae and caudal filaments).
Life cycle:
Mayflies undergo incomplete metamorphosis. Their life cycle includes four stages – egg, nymph, subimago, and adult (image). Most species produce one or two generations per year.
Feeding:
Nymphs scrap periphyton (layer of algae and associated fauna and flora).
Small
What it looks likes:

big eyes

Six Legs

Light and dark brown can see organs

3 tails and legs each side