Costasiella formicaria (Baba, 1959)

オオアリモウミウシ Costasiella formicaria
Photographed by
oasis akihito iwakiri(oasis)
Location
Hirasawa Marine Center, Nishiura, Higashiizu, Japan
Date
2018/03/14
Length
10mm
Depth
12.0m
Water temperature
17.0℃