Quick answer
Cuttlefish (Sepia officinalis) are invertebrates found across multiple regions. The color-changing master of camouflage. Adults typically weigh roughly 2 kg (4 lb), reach speeds of up to 25 km/h (16 mph) in a jet burst, and live 1–2 years. They feed on carnivore (fish, crabs, shrimp) and are listed as Least Concern on the IUCN Red List. Coastal seas of the eastern Atlantic and the Mediterranean, over sandy and seagrass seabeds.
Key takeaway
Cuttlefish (Sepia officinalis) are invertebrates found across multiple regions. The color-changing master of camouflage. Adults typically weigh roughly 2 kg (4 lb), reach speeds of up to 25 km/h (16 mph) in a jet burst, and live 1–2 years. They feed on carnivore (fish, crabs, shrimp) and are listed as Least Concern on the IUCN Red List. Coastal seas of the eastern Atlantic and the Mediterranean, over sandy and seagrass seabeds.
Cuttlefish overview
Cuttlefish (Sepia officinalis) is a invertebrate listed here as Least Concern. Typical weight about 2 kg; lifespan around 1–2 years.
Cuttlefish ecology
Diet: Carnivore (fish, crabs, shrimp). Habitat: Coastal seas, sandy seabeds, and seagrass. Movement and social systems reflect those pressures across the native range.
Cuttlefish and people
Learn before you travel or keep related pets. Wild cuttlefish are not toys; captive care needs species-specific husbandry.
Status and further reading
Conservation label in our guides: Least Concern. See the full Cuttlefish profile for taxonomy, FAQs, and related topic guides on this site.
Range and habitat
Cuttlefish inhabit Coastal seas of the eastern Atlantic and the Mediterranean, over sandy and seagrass seabeds. Their preferred habitat includes coastal seas, sandy seabeds, and seagrass, where they find food, shelter, and breeding sites. Population density varies with prey availability, water access, and human disturbance. Protected areas and intact corridors remain essential for long-term persistence across multipl
Physical characteristics and behaviour
Adult cuttlefish typically measure about 0.5 m in length and weigh roughly 2 kg (4 lb). They can sprint at up to 25 km/h (16 mph) in a jet burst when hunting or escaping predators. Cuttlefish are known for the color-changing master of camouflage — social structure, daily activity, and seasonal movements all reflect pressures in their native environment.
Sources
Cuttlefish FAQs
What are key facts about cuttlefish?
Cuttlefish (Sepia officinalis) are invertebrates found across multiple regions. The color-changing master of camouflage. Adults typically weigh roughly 2 kg (4 lb), reach speeds of up to 25 km/h (16 mph) in a jet burst, and live 1–2 years. They feed on carnivore (fish, crabs, shrimp) and are listed as Least Concern on the IUCN Red List. Coastal seas of the eastern Atlantic and the Mediterranean, over sandy and seagrass seabeds.
What is the scientific name of the cuttlefish?
Sepia officinalis — used in research and conservation listings for cuttlefish.
What do cuttlefish eat?
Cuttlefish eat fish, crabs and shrimp, with seasonal and regional variation in Coastal seas, sandy seabeds, and seagrass.
Where do cuttlefish live?
They are associated with Coastal seas, sandy seabeds, and seagrass. Local presence depends on food, cover, and human land use.
What is the conservation status of cuttlefish?
Listed in our guides as Least Concern. Check the IUCN Red List and national assessments for the latest formal category.