young, 9 mm
Actinocyclus verrucosus Ehrenberg, 1831
|Maximum size: 60 mm (Kay,
is a mottled, dusky-gray to brown dorid with a leathery texture.
It has compact gills and tubercles tipped with darker brown. Minute
white flecks are scattered over the notum, the gills and the upper side
of the foot. Fine secondary tubercles appear to develop before the larger primary tubercles in young animals.
On Maui Actinocyclus verrucosus
is a rare species reported from protected to exposed rocky habitats.
However, it may sometimes be common in protected habitats on Oahu. It
occurs in tide pools and subtidally. It lays a white egg mass. (Kay,
Maui, Oahu and Kauai: widely distributed in the Indo-Pacific.
This is the species listed as Actinocyclus
japonicus (Eliot, 1913) in Kay, 1979, Kay & Young, 1969 and Bertsch &
Johnson, 1981. It was first reported in Hawaii from Kaneohe Bay, Oahu
in July, 1963 (Kay & Young, 1969).
Johnson: 19 mm: Hale'iwa, Oahu; July 7, 1979.
Observations and comments:
1: ( )