Hooked Stonefly vs Claassenia Stonefly
Side-by-side species comparison
| Attribute | Hooked Stonefly | Claassenia Stonefly |
|---|---|---|
| Scientific Name | Agnetina capitata | Claassenia sabulosa |
| Order | Plecoptera | Plecoptera |
| Family | Perlidae | Perlidae |
| Size | 20-30 mm | 25-40 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Predators | Predators |
| Regions | Eastern North America | Western North America |
| Conservation | Least Concern | Least Concern |
Hooked Stonefly
A large, patterned stonefly of eastern North American rivers with distinctive hooked anal gills. Nymphs are active nocturnal predators under cobbles.
Did You Know?
Its nymphs are nocturnal, hiding under rocks by day and actively hunting at night.
Claassenia Stonefly
A large predatory stonefly with a mottled yellow and brown pattern. The nymphs are active nocturnal hunters that roam the stream bed seeking prey.
Did You Know?
Nymphs often crawl out of the water at night to hunt, making them vulnerable to bats and spiders.