Giant Dobsonfly vs Spring Fishfly
Side-by-side species comparison
| Attribute | Giant Dobsonfly | Spring Fishfly |
|---|---|---|
| Scientific Name | Acanthacorydalis fruhstorferi | Chauliodes rastricornis |
| Order | Megaloptera | Megaloptera |
| Family | Corydalidae | Corydalidae |
| Size | 60-90 mm body, 210 mm wingspan | 25-35 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Predators | Omnivores |
| Regions | Asia | North America |
| Conservation | Data Deficient | Least Concern |
Giant Dobsonfly
The largest aquatic insect in the world by wingspan, found in streams in Vietnam and China. Males have enormous mandibles resembling reindeer antlers.
Did You Know?
With a wingspan of 21 cm, this is the worlds largest aquatic insect — its bizarre mandibles resemble reindeer antlers and are used exclusively for grappling rival males.
Spring Fishfly
A medium-sized fishfly with pectinate antennae found in eastern North America. Adults are attracted to lights near rivers and streams during spring.
Did You Know?
Spring fishflies can be distinguished from dobsonflies by their feathery, comb-like antennae and smaller body size.