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Okenia pellucida Burn, 1967

Maximum size: 8.5 mm.
Identification:
This is a dusky cream animal decorated with random brown lines. The
notum is covered with moderately long, slender processes. The
rhinophores have cup-like lamellae on their posterior faces and brown
medial bands.
Natural history:
Okenia pellucida
is a common species on the exposed accretion platform at Maalaea Bay
but that's the only site where we've found it. At that site, it occurs
at 2-5 m (6-16 ft). Scott Johnson also found it
to be fairly common in a somewhat more protected area at Magic Island,
Oahu. It feeds on the bryozoan Zoobotryon
sp. (Gosliner, et. al., 2008). It lays an egg mass composed of an
irregularly
arranged white ribbon that hatches in three to four days in the
laboratory.
Distribution:
Maui and Oahu: widely distributed in the Indo-Pacific.
Taxonomic notes:
It was probably first reported in Hawaii from Kewalo Basin, Oahu, in
Oct., 1963
(Kay & Young, 1969--as Okenia
sp.).
Photo: PF:
Maalaea Bay, Maui; May, 1996.
Observations and comments:
Note
1: ( )
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