Gammarus lacustris

Systematics :

Kingdom: Animals (Animalia)
Phylum: Articulate animals (Arthropoda)
Subphylum: Crustacea
Class: Malacostraca
Order: Amphipoda
Family: Gammaridae
Genus: Gammarus
Species: Gammarus lacustris

Other names: marflo

Norwegian name: Nordlig marflo