: Eucyclops serrulatus.

Eucyclops serrulatus, with a furca which is about 4–6 times as long as wide, is the most common copepod in Norway. It is a very tolerant species and is one of the first to colonize new established waterbodies.

Eucyclops serrulatus Fisch.
Creative Commons Attribution | Bjørn Walseng | Norsk institutt for naturforskning
Kart. Utbredelse i Norge.