Calocalanus pavo is a species of copepod, sometimes called the peacock calanid. It is found in the Mediterranean, Atlantic, Indian and Pacific Oceans. Before its discovery off the West Coast of Ireland, the peacock calanid does not appear to have ever been recorded further north than the Mediterranean. It prefers warm waters, and its presence in Irish waters is a rare occurrence. They can be found as deep as 2,000 fathoms (3.7 km).
Abdomen of female has 2 segments; caudal bristles symmetrical, branched, and spreading; length 1 mm (0.04 in). The body is transparent and reddish. She has a beautiful patterned feathers. But the males are much more moderately decorated.
(From Wikipedia, September 13th, 2010)
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