
Cuttlefish - Wikipedia
Cuttlefish, or cuttles, are marine molluscs of the family Sepiidae. They belong to the class Cephalopoda which also includes squid, octopuses, and nautiluses. Cuttlefish have a unique …
Cuttlefish | Description, Anatomy, & Facts | Britannica
Dec 19, 2025 · cuttlefish, any of several marine cephalopods of the order Sepioidea, related to the octopus and squid and characterized by a thick internal calcified shell called the cuttlebone.
Cuttlefish - Description, Habitat, Image, Diet, and ...
Cuttlefish, the ocean’s masters of disguise, are cephalopod mollusks renowned for their intelligence, sophisticated camouflage, and unique physiology. Often described as living …
Cuttlefish Fact Sheet | Blog | Nature | PBS
Nov 8, 2023 · There are more than 120 species of cuttlefish. They are found in the order Sepiida and are grouped into six families divided between two suborders. Depending on the species, …
Common cuttlefish - Animals | Monterey Bay Aquarium
Meet the common cuttlefish. With its eight arms and two tentacles, the cuttlefish is ready to hunt. When a shrimp or fish is in range, the cuttlefish aims and shoots out its two tentacles to seize …
Cuttlefish, facts and photos | National Geographic
Despite their name, cuttlefish are not fish but intelligent invertebrates related to the octopus, squid, and nautilus. These fascinating creatures can count, exert self-control, and have …
Cuttlefish (Sepia) - Ocean Info
Common Cuttlefish (Sepia officinalis): Found in the Mediterranean Sea, North Sea, and parts of the Atlantic Ocean, this species is known for its large size (up to 49 cm in mantle length) and …
It has three hearts, changes colour as fast as you can blink ...
Jan 9, 2026 · Cuttlefish can change colour in 200 milliseconds, as fast as a human can blink. Cuttlefish have W-shaped pupils, which are thought to help control the intensity of light …
Cuttlefish Animal Facts - A-Z Animals
Nov 8, 2019 · Discover cuttlefish — intelligent cephalopods with color-changing skin, three hearts, ancient origins, and remarkable camouflage abilities.
What Is a Cuttlefish? Habitat, Diet, and Care - Biology Insights
Aug 9, 2025 · Cuttlefish are marine mollusks classified within the class Cephalopoda, a group that also encompasses octopuses and squids. These invertebrates are known for their intelligence …