Labrador Minnow Mayfly vs Flat-headed Mayfly
Side-by-side species comparison
| Attribute | Labrador Minnow Mayfly | Flat-headed Mayfly |
|---|---|---|
| Scientific Name | Baetis labradoriensis | Epeorus assimilis |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Baetidae | Heptageniidae |
| Size | 5-8 mm | 10-14 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Herbivores |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
Labrador Minnow Mayfly
A small mayfly found in cold northern streams with rapid currents. Nymphs cling to submerged stones and feed on periphyton.
Did You Know?
Nymphs can complete their development in as little as three weeks during warm summer conditions.
Flat-headed Mayfly
A stream-dwelling mayfly nymph with a flattened body for clinging to rocks in rapids.
Did You Know?
Its flattened nymph shape allows it to live in the boundary layer of fast currents.