Costasiella formicaria (Baba, 1959)

オオアリモウミウシ Costasiella formicaria
Photographed by
ogawa 小河 亮俊
Location
Wannai, Osezaki, Higashiizu, Japan
Date
2023/02/12
Length
5mm
Depth
5.0m
Water temperature
16.0℃