Aplysia japonica G. B. Sowerby I, 1869

クロヘリアメフラシ Aplysia japonica
Photographed by
ウミウシハンターズ 池田雄吾
Location
Iwa hone, Jogashima, Miura Peninsula, Japan
Date
2018/06/24
Length
8mm
Depth
12.0m
Water temperature
20.0℃

External anatomy

Animal elongate, wider in visceral region, narrowing gradually towards head and tail; visceral hump proportionally very large, elongate, well differentiated from rest of body, occupying more than 1/3 of body length; mantle foramen large, oval, on posterior left side of visceral hump, not elevated; parapodia broad, fused posteriorly, typically joined anteriorly, forming several folds; rhinophores and oral tentacles relatively short, enrolled, with small projections in oral tentacles; siphon wide, relatively short, protruding slightly above parapodia. Colour reddish to brown, with white dots aggregated in clusters; parapodia edged in red, with a broad submarginal black band, often with white dots; rhinophores and oral tentacles tips red with submarginal black area dotted in white; mantle foramen with dark inner edge.

DISTRIBUTION

Japan and Korea
相模湾産後鰓類図譜
相模湾産後鰓類図譜

References