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Thuridilla
cf. vatae (Risbec. 1928)
 
Thuridilla cf. vatae
Maximum size: about 25 mm.

Identification:  This species has a cloudy-blue body decorated with diffuse black and yellow patches. The rhinophores are bluish-cream with brick-red tips and the parapodia may have orange marginal lines.

Natural history:  Thuridilla cf. vatae is known from two animals. One was found at a depth of 2-3 m (3-10 ft) in a mixed habitat. The other was found at 13 m (44 ft) on dead coral.

Distribution:  Maui: Thuridilla vatae is widely distributed in the Indo-Pacific.

Taxonomic notes:  This species may be T. vatae. However, the bluer background and orange marginal lines on the parapodia (in larger animals) suggest some degree of genetic isolation from populations found elsewhere in the Indo-Pacific. It was first found in Hawaii outside the Ko'ie'ie Fishpond, North Kihei, Maui by Tara Branham on Nov. 23, 2018.

Photo:  Karolle Wall: about 25 mm: found by Tara Branham; outside the Ko'ie'ie Fishpond, North Kihei, Maui; Nov. 23, 2018.

Observations and comments:

Note 1:  ( )
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