Nereis diversicolor in the Caspian Sea

Phylum: Annelida

Class: Polychaeta

Order: Aciculata

Family: Nereididae

Genus: Nereis diversicolor

Synonyms: Nereis

Photographer: M. Sepehr
Location: Caspian Sea - Iran -mazandaran - tonekabon

Reference

http://animaldiversity.ummz.umich.edu/site/index.html