Clavelina coerulea

Clavelina coerulea
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Tunicata
Class: Ascidiacea
Order: Aplousobranchia
Family: Clavelinidae
Genus: Clavelina
Species:
C. coerulea
Binomial name
Clavelina coerulea
Oka, 1934

Clavelina coerulea, the blue ringed sea squirt, is a species of tunicates belonging to the family Clavelinidae. The species name refers to the vivid blue body coloration. Members of the class Ascidiacea including this species are hermaphroditic; both cross- and self-fertilization is typical. The eggs of this tunicate develop into lecithotrophic larva before metamorphosing into sessile benthic adults. When disturbed, these tunicates may draw up their apertures, much like a drawstring around the rim of a bag. They are filter feeders, drawing plankton in through their incurrent aperture in a continuous stream of water, using tiny hair-like cilia, and expelling waste through the excurrent aperture.

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