''Plumularia setacea'', the plumed hydroid or little sea bristle, is a colonial hydrozoan in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Plumulariidae Plumulariidae is a family (biology), family of hydrozoans. Genus According to the World Register of Marine Species, the following genus, genera belong to this family: *''Callicarpa (hydrozoan), Callicarpa'' Fewkes, 1881 *''Cladacanthella'' Calde ...

and is found worldwide. It lives from the shore to 430m under water.

Description

Plumed hydroids are creamy yellow to brown and have feathery stems. The stems may grow to 2 cm in total height. The reproductive bodies are smooth and oval. Millard, N.A.H. 1975. Monograph on the Hydroida of Southern Africa. ''Ann. S. Afr. Mus.'' 68:1-513

Ecology

This species eats microplankton.

References

Plumulariidae Fauna of South Africa Animals described in 1758 Taxa named by Carl Linnaeus {{Leptothecata-stub