Australian giant cuttlefish at Clovelly, Sydney, NSW.
Date 12 April 2013, 13:22
Source Giant Cuttlefish-sepia apama
Author Sylke Rohrlach from Sydney https://www.flickr.com/people/87895263@N06
Source: https://commons.wikimedia.org/wiki/File:Giant_Cuttlefish-sepia_apama_(8643345101).jpg

The giant cuttlefish and Australian giant cuttlefish (Sepia apama) is the world's largest cuttlefish species, growing to 50 cm in mantle length and over 10.5 kg in weight. Using cells known as chromatophores, the cuttlefish can put on spectacular displays, changing color in an instant. Sepia apama is native to the southern coast of Australia, from Brisbane in Queensland to Shark Bay in Western Australia. It occurs on rocky reefs, seagrass beds, and sand and mud seafloor to a depth of 100 m.
Order: Sepiida
Family: Sepiidae
Genus: Sepia
Subgenus: Sepia
Species: Sepia apama Gray, 1849
Synonyms:
Sepia palmata Owen, 1881
Amplisepia verreauni Iredale, 1926
Amplisepia parysatis Iredale, 1954