Squid

A:

Squid usually have two tentacles and eight arms that are also called legs. A giant squid's tentacles can be up to 10 meters long and the arms up to 3 meters long. The smallest squid is only 2.5 centimeters in length total.

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  • What are the key similarities and differences between a squid and an octopus?

    Q: What are the key similarities and differences between a squid and an octopus?

    A: Squids and octopuses are both head-footed cephalopods, but their behavior, habitat and physical characteristics are different. Both are blue-blooded aquatic animals, as their blood contains copper and has oxygen-carrying molecules, and they both move by jet propulsion and live in salty waters in temperate zones. They both squirt ink, but it's different colors. Squids produce blue-black ink while octopuses squirt black ink.
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  • What is a devil squid?

    Q: What is a devil squid?

    A: The term "devil squid" is usually used in reference to the Humboldt squid, which has a reputation of being highly aggressive. They have attacked divers and been observed engaging in cannibalism.
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  • Is a squid a baby octopus?

    Q: Is a squid a baby octopus?

    A: The squid and the octopus are different animals, although they both belong to the molluscan class Cephalopoda and, as such, are related. One major difference between the squid and the octopus is the number of arms. Squid have 10 arms compared to the eight of the octopus.
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  • How many legs does a squid have?

    Q: How many legs does a squid have?

    A: Squid usually have two tentacles and eight arms that are also called legs. A giant squid's tentacles can be up to 10 meters long and the arms up to 3 meters long. The smallest squid is only 2.5 centimeters in length total.
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  • How do squid breathe?

    Q: How do squid breathe?

    A: Squid breathe by drawing water through their siphons into their mantles, the large muscular coverings over their bodies, where it passes over their two sets of gill filaments, absorbing oxygen and releasing carbon dioxide via diffusion. The blood that absorbs the oxygen uses a copper compound, haemocyanin, rather than the iron-containing hemoglobin of mammals. The blood is pumped to the gills from two branchial hearts and elsewhere by a third.
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  • What do small squid eat?

    Q: What do small squid eat?

    A: Very small squid eat plankton. As they grow larger, they hunt and eat other marine creatures. Common food sources for small squid include small fish, crabs and shrimp.
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  • What is more intelligent, a squid or an octopus?

    Q: What is more intelligent, a squid or an octopus?

    A: Squids and octopuses, both cephalopods, are the most intelligent known invertebrates. Direct comparison of squid and octopus intelligence is not feasible, as squid are much more difficult to keep in laboratories for study.
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  • Is a squid a fish?

    Q: Is a squid a fish?

    A: Scientifically speaking, a squid is not a fish, but a mollusk. Mollusks are soft-bodied creatures that have gills in order to breath through.
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  • What is a group of squid called?

    Q: What is a group of squid called?

    A: A group of squid is called a shoal or squad; a group of giant squid is a school. Groups of squid are more easily viewed at sunrise and during twilight, according to New Hampshire Public Television.
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  • Q: What do giant squid eat?

    A: Giant squid eat deep water fishes and other squid. They catch prey by using suckers and teeth on their feeding tentacles, bringing the prey into the beak using their eight arms. The food is broken into smaller pieces by the beak; teeth on the tongue-like organ, called the radula, grind it down further. The food travels through the esophagus, passing through the brain to get to the stomach.
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  • Q: What is a monster squid?

    A: Legends of monster squids or kraken are probably based on sightings of the giant squid, a deep-sea animal known to live in the waters off Norway and Greenland where the kraken legend arose. Giant squids can reach up to 50 feet in length if their tentacles are included.
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  • What do squid eat?

    Q: What do squid eat?

    A: All squid are carnivores and eat mainly fish, shrimp, crabs and even other squid. They are ambush predators, often relying on stealth to sneak up on prey and capture it before it can escape.
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  • Q: What kinds of fish eat squid?

    A: Squid are an important food source for many different fish, including most of the large predatory species. Marlins, tuna and groupers frequently eat squid, and sharks and rays consume the mollusks as well. In addition to fish, dolphins, whales, sea mammals and oceanic birds predate on squid.
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  • Q: What Are the Adaptations of a Giant Squid

    A: Among the adaptations of a giant squid are a complex brain, advanced nervous system and the largest eyes of any animal. Its two long tentacles lined with teethed suction cups allow it to grasp prey. It draws water into its mantle and forces it out the back as a propulsion system. Its ability to squirt dark ink helps to foil predators.
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  • Q: Do squids have beaks?

    A: Squids do have beaks, and these structures mark the initial part of the digestive system. The beaks are composed of chitin and muscular tissue and resemble a parrot's beak in structure. The beak's function is to capture and break down prey into smaller particles.
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  • Q: What are chromatophores, and how do squids use them?

    A: Chromatophores are color-changing cells that allow some animals, such as cephalopods, a class of molluscs that includes octopuses, squids and cuttlefish, to blend in with their surrounding environments. Chromatophores are also used to communicate different messages to potential mates, rivals and predators.
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  • Q: What does the giant squid eat?

    A: The giant squid eats other sea creatures including fish. Giant squid are also known to eat other squid, although not of the same species.
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  • What do squids eat?

    Q: What do squids eat?

    A: Squids are carnivorous predators that primarily prey on fish, crustaceans and other squid. Because squid vary greatly in size – some species are less than 1 inch in length, while others exceed 30 feet in length – their specific prey preferences differ markedly from one species to the next. Some squid hunt by chasing down their prey, while others hide and lie in wait for food to swim past them.
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  • Is calamari an octopus or a squid?

    Q: Is calamari an octopus or a squid?

    A: Calamari is squid. Calamari is an Italian word that is used widely in the food service industry to make squid sound more appetizing to the public. Calamari dishes are common among Asian and Mediterranean cultures, and squid is popular in restaurants in North America.
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  • Q: How do squids protect themselves?

    A: Squids protect themselves with several techniques and biological mechanisms to blend in with the surrounding environment, counter oncoming threats and defend themselves in the event of an attack by a predator or rival. There are approximately 500 species of squid, and all rank high in intelligence among other invertebrate animals.
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  • Q: How many gills does a squid have?

    A: Squid have two gills, one on the left and on the right side of their heads. The gills are part of a squid's respiratory and cardiovascular system. They are feather-like organs used to collect oxygen from water passing through them.
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