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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 there 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:  It was 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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