English name: Water flea

German name: Großer Wasserfloh (D. magna); Gemeiner Wasserfloh (D. pulex)

Taxonomy

Phylum: Arthropoda

Subphylum: Crustacea

Class: Branchiopoda

Order: Cladocera

Family: Daphniidae

Genus: Daphnia

Species: Daphnia magna; Daphnia pulex

Daphnia sp. is counted among the Crustacea and live in biotopes like big lakes as also in small ponds with standing water areas. This species is used in many aquatic, toxicology test systems. Daphnia is an indicator species of ecosystem health and exhibiting consistent responses to toxins to DIN 38412-30.