Sepiadarium kochi, common name tropical bottletail squid or Koch's bottletail squid, is a species of cuttlefish.

[2] This species grows to a maximum mantle length of approximately 3 cm.

[3] Sepiadarium kochi is found in the Indo-West Pacific from India to Japan, and throughout the Indo-Malayan region.

[3] This species is a demersal animal, and has been found living at a depth of 60 m.[3]

This cuttlefish article is a stub.