Western Ameletid Mayfly vs Small Minnow Mayfly
Side-by-side species comparison
| Attribute | Western Ameletid Mayfly | Small Minnow Mayfly |
|---|---|---|
| Scientific Name | Ameletus cooki | Callibaetis ferrugineus |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Ameletidae | Baetidae |
| Size | 8-12 mm | 7-11 mm |
| Habitat | Mountains | Ponds & Lakes |
| Diet | Omnivores | Detritivores |
| Regions | North America | North America |
| Conservation | Least Concern | Least Concern |
Western Ameletid Mayfly
A streamlined mayfly found in cold mountain streams of the Pacific Northwest. Nymphs are agile swimmers that dart between cobbles in riffles.
Did You Know?
Nymphs are strong enough swimmers to move upstream against moderate currents.
Small Minnow Mayfly
A mottled brown mayfly common in still waters across North America. Nymphs are excellent swimmers that mimic small minnows.
Did You Know?
It can produce up to three generations per year in warm climates.