[4] They are also a major source of food for larger marine life like dolphins, seals, and even birds.

This cuttlefish can be recognized by its small body, slender tentacles, and lanceolate, or leaf-like, shape.

Additionally, the area that surrounds the cuttlefish's beak, called the buccal membrane, is covered with longitudinal ridges.

[5] Sepia trygonina is known from the Indian Ocean, including the Saya-de-Malha Bank, region of the Mascarene Ridge and Zanzibar, the Red Sea, the Persian Gulf[4] and southern India.

[12] This species is an occasional catch for trawlers in India,[14] but is listed as heavily exploited by native fishermen in Yemen.

[15] The trident cuttlefish is able to change the color of its skin in 270-730 milliseconds in response to what is going on around them in their environment.