Marine Life
The giant cuttlefish (*Sepia apama*) is the largest of all cuttlefish species and one of the most extraordinary marine animals found in southern Australian waters. Growing up to a metre long and weighing over 10 kg, these cephalopods are not only impressive in size but in intelligence, colour-changing ability, and complex behaviours.
By ScubaDownUnder Team · Published 9 August 2025