The term "Cephalopod" is part of the group of mollusks. Mollusks are animals that live in water which are invertebrate: meaning no skeleton. The family of mollusks divides into different families. This page is deticated to the Cephalopods or commonly known as squids.


The Caribbean Reef Octopus is a strange one. Its skin can change color impressively or even change its skin from smooth to having bumps. Its weight is very light at 3.3 pounds or 1.5 kg. Its diet mainly consists of lobster, crab or shrimp. They live in the warm tropical waters in reefs and they make their home in rock crevasses. They do not keep the same home and the female tends to move to a different home when pregnant.


The Carribean Reef Squid lives in the Carribean sea in the warm tropical waters. The Squid usually eats small fish and crustaceans. The average length of the Squid around 18-22 cm long. An amazing fact is that they have a single fin around their cone-shaped body. Some scientists also claim that they have the ability to jump out of the water. They alos have "claws" on their tentacles that help grip onto their prey and bring them to its "beack" like mouth to eat.

The Reef Cuttlefish is found throughout around Australia living in the reefs feeding off of other smaller fish. They also have the ability to change the colour of their skin to match the one of the reef it is hiding it. They live for an average of 1-3 years long. A pretty short life! The average length of an adult Cuttlefish Squid is around 1-1.5 ft long. They have to inject poison inside their victim so they can eat them.

The Southern Calimari Squid is found commonly in the Southern Reefs of Australia and the North of New Zealand. They are also found in the Great Barrier Reef living off of fish and crustaceans. Even though they are mostly nocturnal, they often hunt during day light. They usually live all around reefs and lay their eggs in sea grass. Their max length is around 50 cm long.

The Nautilus live in and around the Pacific Ocean and the Indian Ocean at depths of around 1 800 ft during the day and at night they move to shallower waters inside reefs searching for a meal. Their max length  of an adult is around 20 cm long. Since they are very small, they just need to eat one meal a month. They are very very closely related to the extinct ammonite that lived during the time of the dinosaurs. They are more related to them than other cephalopods today. 

The Giant Squid lives in a wide range of depths since Sperm Whales live off them. The Giant Squid lives in all the world's oceans except the polar extremes and tropical water. Their size range has been recorded to more than 10 m long and is not commonly found like so. Their weight is unidentified. Giant Squids mainly eat deep sea fish and surprisingly, other Giant Squids.

The Colossal Squid has been rarely seen so much that there are few recordings of its description and feeding. They only live in the cold deep waters of the Antarctic Ocean. They live at a range of 7000 ft under water and their main predator is the Sperm Whale feeding on them. They mainly feed also on deep sea fish and other Squid who live down there.

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