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Unidentified Discodorid #17
 
Unidentified Discodorid #17
Maximum size:  12  mm.

Identification:  This is a gray-cream animal with small, irregularly-sized, conical tubercles. The larger tubercles and rhinophores are tipped with opaque white and the branchia are dusky-gray with a few small white tips. Some tubercles may also have dusky-gray pigment. The rhinophore lamellae are asymmetrical creating concave tips.

Natural history:  Unidentified discodorid #17 is known from five animals found at exposed to highly exposed sites. The two 2021 animals were found at less than 3m (10 ft) and 5-7 m (16-23 ft).

Distribution:  Oahu.

Taxonomic notes:  We're leaving this species in the Discodoridae, for the time being, but the family is uncertain (it was previously listed as "Unidentified Dorid #17" on our site and Sara suggested Doris sp. in the family Dorididae). It was first recorded in Hawaii from Makua, Oahu by Scott Johnson in Sept. 1979.

Photo:  Sara Thiebaud: 5-10 mm: Haleiwa, Oahu; Oct. 13, 2021.

Observations and comments:

Note 1:  ( )
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