''Daphnia commutata'' is a species of
water flea
The Diplostraca or Cladocera, commonly known as water fleas, are a superorder of small crustaceans that feed on microscopic chunks of organic matter (excluding some predatory forms).
Over 1000 species have been recognised so far, with many more ...
.
References
Cladocera
Crustaceans described in 1900
{{Branchiopoda-stub