Cuttlefish or cuttles are marine molluscs of the order Sepiida. They belong to the class Cephalopoda, which also includes squid, octopuses, and nautiluses. Cuttlefish have a unique internal shell, the cuttlebone. Cuttlefish have large, W-shaped pupils, eight arms, and two tentacles furnished with denticulated suckers, with which they secure their prey. They generally range in size from 15 to 25 cm (6 to 10 in), with the largest species, Sepia apama, reaching 50 cm (20 in) in mantle length and over 10.5 kg (23 lb) in mass. Cuttlefish eat small molluscs, crabs, shrimp, fish, octopus, worms, and other cuttlefish. Their predators include dolphins, sharks, fish, seals, seabirds, and other cuttlefish. The average life expectancy of a cuttlefish is about 1–2 years. Recent studies indicate cuttlefish are among the most intelligent invertebrates. Cuttlefish also have one of the largest brain-to-body size ratios of all invertebrates. Learn more about Cuttlefish
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Cuttlefish Species Videos
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Common Name | Scientific Name | Conservation Status |
Australian Giant Cuttlefish (380 videos) | Sepia apama | Not Available |
Broadclub Cuttlefish (245 videos) | Sepia latimanus | Not Available |
Common Cuttlefish (11 videos) | Sepia officinalis | Not Available |
Cuttlefish (2319 videos) | Sepia filibrachia | Not Available |
Kobi Cuttlefish (2 videos) | Sepia kobiensis | Not Available |
Mourning Cuttlefish (1 videos) | Sepia plangon | Not Available |
Needle Cuttlefish (8 videos) | Sepia aculeata | Not Available |
Papuan Cuttlefish (5 videos) | Sepia papuensis | Not Available |
Pfeffer's Flamboyant Cuttlefish (235 videos) | Metasepia pfefferi | Not Available |
Pharaoh Cuttlefish (109 videos) | Sepia pharaonis | Not Available |
Southern Cuttlefish (374 videos) | Sepia australis | Not Available |
Stumpy-spined Cuttlefish (29 videos) | Sepia bandensis | Not Available |