Squid

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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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  • 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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  • 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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  • 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 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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  • 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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  • 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 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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  • 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 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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  • Q: How long do giant squids live?

    A: While not conclusive, evidence suggests the lifespan of the giant squid is no longer than five years. The speculation is derived from mineralized masses called statoliths in the deep-sea creature that produce growth rings used to measure age.
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  • Q: How do squids get oxygen from the water?

    A: Squid extract oxygen from the water using gills, just as fish do. These gills are located in the squid's mantle, the soft but muscular cavity behind the squid's head.
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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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  • Q: Where do giant squids live?

    A: Giant squid live in every ocean on Earth but are particularly concentrated over the slopes leading up to continents and islands. They are rare in tropical and high polar regions. Giant squid live only in deep, cold water because their blood is incapable of carrying oxygen effectively at higher temperatures.
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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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  • 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: How many arms does a squid have?

    A: Most types of squid have eight arms, typically arranged in pairs, in addition to two longer feeding tentacles. The squid is a member of the cephalopod group of mollusks that also includes octopodes, and within this group exist more than 280 different types of squid, according to National Geographic.
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  • Q: How do squid reproduce?

    A: Squid engage in internal fertilization, but rather than using a penis for the transference of sperm cells, the males place a packet of sperm cells, called a spermatophore, into the female’s mantle, or body cavity; however, individual squid species exhibit variations on this general model. Shortly after this sperm transfer takes place, the female excretes fertilized eggs into the water.
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  • Q: What is the biggest squid ever found?

    A: According to National Geographic, the largest squid ever found measured 59 feet long and weighed about a ton. The squid was a "giant" squid, the largest of the more than 280 squid species found worldwide.
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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: How big is a giant squid?

    A: As of 2014, the largest recorded giant squid is 43 feet long, including its tentacles. Most giant squid do not exceed 16 feet in length, including the fin and arms. The largest recorded mantle, or body, on a giant squid is 7.4 feet.
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