Costasiella formicaria (Baba, 1959)

オオアリモウミウシ Costasiella formicaria
Photographed by
nobuhiko KIMOTO Nobuhiko
Location
Wannai, Osezaki, Higashiizu, Japan
Date
2015/02/04
Length
10mm
Depth
4.0m
Water temperature
14.6℃