Roboastra gracilis (Bergh, 1877)

Roboastra gracilis is rare in the Marshalls, known from four specimens at Enewetak and Kwajalein Atolls. All were found under lagoon reefs and pinnacles under dead coral at depths of 1 to 15 meters. A 17mm specimen at Enewetak deposited an egg mass containing yellow ova, 75µm in diameter within capsules of about 95µm.

Created 3 January 2007