Minabe, Wakayama Pref., Japan

trawled at 100 m depth

H. 21.2 mm - W. 21.6 mm

Tosa Bay, Japan

trawled at 20 fms by local fishermen

H. 21.3 mm - W. 21.6 mm

Tosa Bay, Japan

trawled at 20 fms by local fishermen

H. 24.0 mm - W. 25.4 mm

Mikawa, Aichi, Japan

trawled by nets at 50-60 m depth by local fishermen

H. 32.3 mm - W. 33.6 mm