Costasiella formicaria (Baba, 1959)

オオアリモウミウシ Costasiella formicaria
Photographed by
oasis akihito iwakiri(oasis)
Location
Ita Beach, Ita, Higashiizu, Japan
Date
2021/04/16
Length
6mm
Depth
17.0m
Water temperature
16.0℃