Hypselodoris melanesica Gosliner & Johnson, 2018

ヒュプセロドーリス・メラネシカ Hypselodoris melanesica
Photographed by
今川郁
Location
Jyousuijyou mae, Hontou (West coast), Okinawa, Japan
Date
2016/01/02
Length
20mm
Depth
5.0m
Water temperature
23.0℃

MORPHOLOGY

Living animals of moderately size, reaching 30 mm in length. Body translucent purple, with thin white band encircling the margin of notum and foot. Five unipinnate gill branches on notum. One large specimen (CASIZ 071237) with seven gill branches. Gill branches light orange, with darker orange at their common base. Base of gill pocket deep violet. Bulb of rhinophores bright orange, with redder apex. Bulb with ~25 densely packed lamellae. Base of rhinophore sheath deep violet to purple.

DISTRIBUTION

Known only from the Papua New Guinea and the Solomon Islands (present study).

ETYMOLOGY

Hypselodoris melanesica is named for Melanesia, the region to which this species is geographically restricted.

References