Spiny Crawler Mayfly vs Common Mayfly
Side-by-side species comparison
| Attribute | Spiny Crawler Mayfly | Common Mayfly |
|---|---|---|
| Scientific Name | Ephemerella subvaria | Ephemera danica |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Ephemerellidae | Ephemeridae |
| Size | 8-12 mm | 15-25 mm body |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Detritivores | Detritivores |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
Spiny Crawler Mayfly
A mayfly important to fly anglers and known as the Hendrickson in fishing culture.
Did You Know?
Its springtime hatch is one of the most anticipated events in fly fishing.
Common Mayfly
Adults have no functional mouths and live only 1-3 days. Massive synchronized emergences called "hatches" are among natures great spectacles. Excellent water quality indicators.
Did You Know?
Mayflies have the shortest adult lifespan of any insect — some species live just 5 minutes as adults, long enough only to mate. They are the only insects with a winged sub-adult stage.