Saturday, September 28, 2013

rossota millsae

The distinctive red and orange pigment make this hydrozoan easy to distinguish (if you happen to find yourself in its neighborhood, below 1000 meters in the Arctic or North Pacific) but that’s not the most unusual thing about it. Crossota millsae, unlike most Hydrozoa, has only a medusa stage, never forming a sessile, polyp stage. They reporoduce sexually, and mothers brood their young within their bell, until they are ready to fend for themselves in the vast bathypelagic zone.

Read more: Encyclopedia of Life

Photo: Kevin Raskoff via Arctic Ocean Diversity

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