Tropical Bottletail Squid
Tropical Bottletail Squid
© Rafi Amar
Invertebrate · Molluscs · Cephalopods

Tropical Bottletail Squid

Sepiadarium kochi
3 cm<60 mLeast Concern
917

Sepiadarium kochi, widely known as the tropical bottletail squid or Koch's bottletail squid, is a type of cuttlefish notable for its compact size, with a mantle length that can reach around 3 centimeters (about 1.2 inches). This species is found in the Indo-West Pacific region, occupying waters from 🇮🇳 India all the way to 🇯🇵 Japan, and includes the Indo-Malayan area in its range. As a demersal species, it lives near the seafloor at depths of up to 60 meters (approximately 197 feet).

Why it's threatened

The threats to this species are unknown.

Threat classification from the IUCN Red List.

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Last Update: June 28, 2026