Paracalanus parvus

Paracalanus parvus is a copepod found throughout the world, except the Arctic.

Description
The female P. parvus usually ranges from about 0.6 to 1.3 mm in length, and the male is usually between about 0.5 and 1.4 mm in length.

Distribution
P. parvus is nearly cosmopolitan, found in waters throughout the world, with the exception of the Arctic.

Life cycle and reproduction
P. parvus breeds continuously, although its abundance and egg production rate vary seasonally, with it being abundant from April to December. Its egg production rate is positively correlated to temperature and concentrations of chlorophyll a.