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Cyerce
sp. #2
 
Cyerce sp. #2
Maximum size:  10 mm (Scott Johnson).

Identification:  The is a cream animal with brown pigment on its notum and brown reticulation on it's rhinophores. The cerata are roughly diamond-shaped and tuberculate with dark pigment basally and a margin decorated with orange and violet spots.

Natural history:  Cyerce sp. #2 is a moderately rare species found in protected to exposed rocky habitats and Halimeda kanaloana beds at depths of < 1 to 6 m (< 3 to 20 ft). It jerks its cerata intermittently while crawling and can also swim, if disturbed, by arching its body and flapping its cerata up and down. That makes it look very much like a small jellyfish "pulsing" through the water. (see photos) It lays a spiral, cream egg mass that hatches in about four days in the laboratory.

Distribution:  Maui and Oahu: widely distributed in the Indo-Pacific.

Taxonomic notes:  First recorded in Hawaii at Kewalo Reef, Oahu by Scott Johnson on April 14, 1978.

Photo:  CP: 6 mm: Hekili Point, Maui; Sept. 20, 1998.

Observations and comments:

Note 1:  ( )
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