Squid

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 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 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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  • 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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  • 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 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 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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  • 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 the life span of a giant squid?

    Q: What is the life span of a giant squid?

    A: Scientists believe that giant squids live for less than five years. This estimate is based on study of giant squid remains washed up on beaches. Giant squids are thought to hatch from tiny eggs and grow at a tremendous rate to achieve their 60 foot long adult size.
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  • What are the types of squids?

    Q: What are the types of squids?

    A: According to Squid-World, there are over 300 species of squid that have been identified. All of the identified squid are classified into one of two categories, either myopsida or oegopsida.
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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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  • 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: What is the most common giant squid habitat?

    A: Giant squids are found in the deep sea and have been photographed at depths around 3,000 feet. Scientists face challenges in studying giant squids and their habitats due to the extreme depth at which they are located. According to National Geographic, giant squids are found in all of the oceans.
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  • How long do squids live?

    Q: How long do squids live?

    A: Squids, which are carnivorous cephalopod mollusks of the order Teuthoidea, usually live for only two to three years. Squids are highly developed marine invertebrates with eyes that resemble human eyes.
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  • Q: What is the function of the ink squid ink sac?

    A: The function of the squid's ink sac is to keep it protected from predators.The ink sac squirts out bursts of ink that allow the squid ample time to escape the threat.
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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 are some interesting facts about giant squids?

    A: The giant squid, Architeuthis dux, is one of the largest invertebrates in the world. Giant squid reportedly attain sizes of nearly 60 feet, including both the body and tentacles.
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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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  • 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 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 glass squid?

    A: Glass squid are animals who live in the dark sections of the ocean. There are about 60 species of Cranchiidae (glass) squid, and a number of these animals are almost invisible.
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