Boltenia echinata (Linnaeus, 1767)
|Synonyms: Ascidia echinata, Cynthia echinata, Halocynthia echinata, Microcosmus echinatus, Pyura echinata|
|Boltenia echinata, growing on the underside of a boulder and surrounded by sponge. Diameter approximately 2 cm. Found at minus tide level on Sares Head.|
|(Photo by: Dave Cowles, October 2007)|
How to Distinguish from Similar Species: Boltenia villosa attaches by a stalk. Halocynthia igaboja has projections which nearly obscure the tunic and each projection has several rings of secondary spinelets.
(I was able to find no information about this species). See Boltenia
villosa for a related species with more information.
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General Notes and Observations: Locations, abundances, unusual behaviors: