Eastern swamp crayfish
| Eastern swamp crayfish | |
|---|---|
| Gramastacus lacus | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Malacostraca |
| Order: | Decapoda |
| Suborder: | Pleocyemata |
| Family: | Parastacidae |
| Genus: | Gramastacus |
| Species: | G. lacus |
| Binomial name | |
| Gramastacus lacus McCormack, 2014 | |
| Distribution in Eastern Australia | |
The eastern swamp crayfish (Gramastacus lacus) is a species of small freshwater crayfish from coastal New South Wales, Australia. It is distinguished from related species by large genital papilla on the males, large raised postorbital ridges, a laterally compressed carapace, and elongated chelae.