Home > Invertebrates > Mollusks > Cephalopods > Sepia tokioensis

Created 12/29/2013

Family Sepiidae


Sepia tokioensis

All photos are of the same individual

Yawatano, Japan, 6 feet

Broad fin tips aka. 'ear lobes' & narrow gap


Common on shallow rocky reefs.  Arms short, fins meeting at posterior end of mantle with expanded lobes and a narrow gap at the apex, color extremely variable but there is usually a reddish ventral stripe on the mantle.  Attains mantle length of 2.5 inches.  Endemic to Japan excluding the Ryukyus.

There are several species of dwarf Sepia in Japan that are difficult distinguish from each other.  Positive identification from photographs alone is haphazard at best due to the wide range of colors and subtle anatomical differences that must be carefully examined in-hand.