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Additional Photos
side
underside
texture
rhinophores
branchia
2nd animal
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Thordisa setosa (Pease, 1860)
Maximum size: 55 mm (Kay,
1979).
Identification:
This
is a purplish-red to gray animal with darker patches. The notum is
covered with small papillae as well as scattered, long tentacular
processes. The tentacular processes are cream and many of the papillae have small dark tips.
Natural history:
Thordisa
setosa is rare on Maui. However, Kay (1979)
lists it as "rather common" on Oahu where they are found under rocks in
shallow, back-reef habitats. The Maui animals were found at less than 2 m (7 ft).
Distribution:
Maui and Oahu.
Taxonomic notes:
It
was first reported from Hawaii in Pease, 1860 (as Doris setosa). Kay, (1979)
considers Doris pilosa Pease,
1860 a synonym. There is some uncertainty in interpreting the Pease descriptions and comparing Maui and Oahu animals.
Photo: Karolle Wall: about 20 mm: outside Ko'ie'ie Fish Pond, Kalepolepo, Maui; March 6, 2020.
Observations and comments:
Note
1: ( )
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