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Additional Photos
contracted
young
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Spinoaglaja orientalis (Baba, 1949)
Maximum size: 23 mm (Kay,
1979).
Identification:
This species is dark brown or black flecked with white. It has three
irregular transverse bands of orange surrounded by diffuse white
"halos." Young animals may be lighter in color.
Natural history:
Spinoaglaja orientalis
is a rare species recorded from only three animals found at
exposed to highly exposed rocky sites.
Distribution:
Oahu and Midway: widely distributed in the Indo-Pacific.
Taxonomic notes:
Terry Gosliner
suggested that the contracted animal from Kaneohe Bay (see
photo) might be sufficiently different to justify listing as a
separate species. (pers. com). However, we've opted to lump since Scott's
animal seems closer to illustrations from elsewhere in the
Indo-Pacific. On the other hand, it's possible that all Hawaiian animals will
prove
distinct from other Indo-Pacific populations of S. orientalis with further work. It's
listed in Gosliner, et. al, 2008 as Aglaja sp. #1 and in Gosliner, et. al., 2018 as Philinopsis sp. #4. It was probably first recorded in Hawaii from Kaneohe Bay, Oahu
by Terry Gosliner in the 1970s and is listed in Gosliner, 1980 as Aglaja orientalis.
Photo: Scott
Johnson: Makua, Oahu; July 10, 1985.
Observations and comments:
Note
1: ( )
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