English name: Water louse

German name: Wasserassel

Taxonomy 

Phylum: Arthropoda

Subphylum: Crustacea

Class: Malacostraca

Order: Isopoda

Family: Asellidae

Genus: Asellus

Species: Asellus aquaticus

Asellus aquaticus is counted among the Crustacea and occure in different kind of aquatic habitats without a strong current. They live between stones, macrophytes and dead organic material. The females shelter the eggs in her brood space underneath her body.