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As such small animals are themselves potential prey for larger predators, the cuttlefish hides in the sand or gravel or between rocks during the day and only goes in search of food at nightfall.
The small predator is not particularly picky and is also happy with carrion.
The body of the cuttlefish is smooth, its fins are thin and delicate and its tentacles are covered with two rows of suction cups.
One arm is slightly elongated and serves as a mating arm (hectocotylus), with which the male transfers a spermatophore to his partner; the animals die shortly after mating and laying eggs.
Each cuttlefish has two kidney-shaped light organs (photophores) in the mantle cavity.
The dwarf cuttlefish also has an ink sac and can eject dark ink in case of danger.
The color of the cuttlefish varies from black-brown and becomes paler dorsally and ventrally.
Synonym: Sepiola birostrata Sasaki, 1918