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cerata detail
 

pink cerata bases
  

in situ
  

young
   
 
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GALLERY



 
Baeolidia nodosa
(Haefelfinger & Stamm, 1958)
 
Baeolidia nodosa
Maximum size:  14 mm.

Identification:  This is a slender species with papillae on the posterior edge of  its rhinophores. The brown-flecked cerata are papillate and are arranged in groups that usually alternate in length. The notum is decorated by a series of bright yellow and pink rings. Occasional animals also have bright pink on the bases of the cerata.

Natural history:  Baeolidia nodosa is a moderately common diurnal species found in protected to exposed rocky habitats and in Halimeda kanaloana beds. It occurs at < 1 to 18 m (< 3 to 59 ft). It jerks its cerata rhythmically while crawling and lays a weakly kinked, white egg mass.

Distribution:  Maui, Oahu and Kauai: circumtropical.

Taxonomic notes:  The description of this species in Kay, 1979 apparently refers to Baeolidia sp. #2, instead, as does the photo in Bertsch and Johnson, 1981. Some authors list it as Limenandra nodosa. It was first recorded in Hawaii at Magic Island, Oahu by Scott Johnson on Oct. 12, 1979.

Photo:  CP: 7 mm: Hekili Point, Maui; Oct. 28, 2003.

Observations and comments:

Note 1:  ( )
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