Costasiella formicaria (Baba, 1959)

オオアリモウミウシ Costasiella formicaria
Photographed by
IMAGAWA 今川郁
Location
Nakayukui, Hontou (West coast), Okinawa, Japan
Date
2015/08/22
Length
4mm
Depth
12.0m
Water temperature
28.0℃