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young
 

heavily frosted
 

with egg masses
 



 
Anteaeolidiella
cf. takanosimensis (Baba, 1930)
 
Anteaeolidiella cf. takanosimensis
Maximum size:  21 mm (Kay, 1979).

Identification:  This species has closely spaced rhinophores and laterally directed cerata. The body is cream, tinted with orange. The cerata have prominent cnidosacs in their tips. The cerata and notum may variably flecked or frosted with white and some animals may have irregular white subapical bands on their cerata. Most have white tips on their rhinophores and cephalic tentacles.

Natural history: On Maui,  Anteaeolidiella cf. takanosimensis is a moderately rare species found from the low intertidal to a depth of 15 m (49 ft) in protected to exposed rocky areas and in Halimeda kanaloana beds. However, it may be more common in the low intertidal on Oahu (Bertsch and Johnson, 1981). It lays white spiral egg masses composed of a "kinked" ribbon.

Distribution:  Big Island, Maui, Oahu and Kauai: Anteaeolidiella takanosimensis is known from Japan. (Note 1)

Taxonomic notes:  This is the species listed as Aeolidiella takanosimensis in Bertsch & Johnson, 1981. It's listed as Aeolidiella takanosimiensis in Kay, 1979 and Gosliner, 1980. Some sites list it as Anteaeolidiella indica or Aeolidiella indica. It was first recorded in Hawaii from Poipu, Kauai by Allison Kay in Jan., 1965.

Photo:  Angel Valdes: found by Angel Valdes, Dieta Hanson, Jessica Goodheart or Jennifer Alexander; Kahului Harbor, Maui; June 20, 2011.

Observations and comments:

Note 1:  Hawaiian animals resemble A. takanosimensis from Japan but further genetic testing is needed to determine whether or not they are the same since the genus appears to represent an extensive complex (Carmona, et. al., 2013). The heavily frosted animals (see photo) that were formerly listed as "Unidentified Aeolid #3" appear to be within the range of of variation found in Japan. However, there's also some possibility, given its variability in color, that the Hawaiian material includes more than one species.
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