

Known predators of S. officinalis include large fish (such as monkfish and swordfish, Xiphias gladius) and whales.

A 2008 study on S. officinalis[8] revealed that cuttlefish embryos, if visually exposed to a certain species of prey (e.g. crabs), will hunt primarily for that prey in later life. S. officinalis usually prefer shrimp to crabs, but when the embryos were exposed to crabs and the embryos had hatched, the young cuttlefish switched preferences and proceeded to hunt the crabs more often than the shrimp
It is unknown where the type specimen of S. officinalis was collected, as the location is given simply as "Oceano". It is deposited in the Linnean Society of London.
Sepia officinalis jurujubai Oliveira, 1940, originally described as a subspecies of the common cuttlefish, is a junior synonym of Sepioteuthis sepioidea
Underwater photos by Costas Constantinou
Juvenile,Protaras ,May 2017,5mts deep
Cuttlefish eggs (αυγά σουπιάς) at Ladies Mile, May 2018 by Kostas Aristeidou
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