Phestilla melanobrachia Bergh, 1874

イボヤギミノウミウシ Phestilla melanobrachia
Photographed by
natsuk0 なっちゃん
Location
Red Beach, Hontou (East coast), Okinawa, Japan
Date
2020/02/22
Length
10mm
Depth
10.0m
Water temperature
21.0℃