Daphnia heartbeat
Group: Water fleas · Cladocera (Daphnia, Simocephalus, Chydorus, Bosmina)
Compare with the Water fleas description: a body enclosed in a transparent carapace; head with a single dark compound eye.
Credit line
Video: Gamersedge, CC BY 3.0, via Wikimedia Commons
MP4 720p 1.2 MB MP4 360p 0.3 MB