Costasiella formicaria (Baba, 1959)

オオアリモウミウシ Costasiella formicaria
Photographed by
pisan 黒田貴司
Location
Okinoshima, tateyama, Chiba, Japan
Date
2013/03/17
Length
8mm
Depth
5.0m
Water temperature
20.0℃