Indian Ocean Bobtail Squid
Cephalopods

Indian Ocean Bobtail Squid

Euprymna stenodactyla (R. E. Grant, 1833)
syn. Sepiola stenodactyla
2.5 cm
901

Euprymna stenodactyla is a bobtail squid species that belongs to the Cephalopoda class. These squids have separate sexes, and after reproducing, both male and female adults usually die. During mating, the male squid performs displays to attract a female, then uses a specialized arm called the hectocotylus to transfer sperm into the female's mantle cavity, enabling fertilization.

Euprymna stenodactyla follows a life cycle where the embryos hatch into a stage that lives in the open water (planktonic stage) before settling on the ocean floor (benthic lifestyle) as they mature. These squids can grow up to 2.5 centimeters (approximately 1 inch) in size.

This species is native to the 🌊 Indian Ocean and has been verified in 🇲🇺 Mauritius. Some reports suggest they may also inhabit parts of the Indo-West Pacific region, from the Mascarene Islands to Queensland, 🇦🇺 Australia, and reaching into Polynesia, although these records are less certain.

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