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green
 

unrolled cerata
 

young




 
Caliphylla
sp. #1
 
Caliphylla sp. #1
Maximum size:  40 mm.

Identification:  This species has long, blade-like cerata with rolled margins. It ranges from olive green to golden brown.

Natural history:  We've never seen Caliphylla sp. #1 on Maui (although a young animal was recently photographed by Angel Valdes) . However, it is locally common on Oahu occurring in stands of the green algae Bryopsis in highly protected to moderately protected locations, generally at depths of < 1 m (< 3 ft). It's nocturnal and probably feeds on Bryopsis (though the differences in color may suggest some variation in diet). When disturbed, it can unroll the margins of it's cerata.

Distribution:  Maui and Oahu.

Taxonomic notes:  First recorded in Hawaii at Magic Island, Oahu by Scott Johnson on Feb. 10, 1980.

Photo:  PF: brown: Oahu; Sept. 1998.

Observations and comments:

Note 1:  ( )
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