Types of Crabs and Their Diets
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Questions and Answers

What do King crabs primarily eat?

  • Sponges and sea urchins
  • Crabs and mussels
  • Protozoa and algae (correct)
  • Sand dollars and barnacles
  • Where do snow crabs mainly search for food?

  • At the ocean surface
  • In warm ocean waters
  • Along the ocean floor (correct)
  • In the snow
  • What distinguishes hermit crabs from other crabs mentioned in the text?

  • They are sea-dwellers
  • They eat only plants
  • They are omnivores (correct)
  • They are pets
  • What is a common misconception about snow crabs based on their name?

    <p>They live in hot climates</p> Signup and view all the answers

    What type of food do hermit crabs consume when they are kept as pets?

    <p>Fruit and vegetables</p> Signup and view all the answers

    Study Notes

    Crabs

    • There are over 4,000 different species of crabs.

    Types of Crabs

    • Four widely known types of crabs: Dungeness crabs, blue crabs, king crabs, and snow crabs.

    Diet of Crabs

    • Crabs' diets vary depending on their environment.
    • Crabs are carnivores and omnivores.

    Dungeness Crabs

    • Live in the Pacific Ocean, off the coast of the U.S. from northern California to Alaska.
    • Eat fish, other crabs, worms, squids, starfish, and snails.
    • Hunt along the sea floor for animals partly covered by sand.
    • Also eat fish eggs and other Dungeness crabs.

    Blue Crabs

    • Live in the Atlantic Ocean, along the entire east coast of the United States.
    • Eat fish, plants, small crustaceans (shrimp, barnacles, lobsters, and crabs), fiddler crabs, and marsh periwinkles (sea snails).
    • Scavengers who eat dead animals on the sea floor.

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    Description

    Discover the fascinating world of crabs by learning about different types such as Dungeness crabs, blue crabs, king crabs, and snow crabs. Explore their unique features and habitats, while also uncovering what these crustaceans eat. Test your knowledge on crab species and their diets with this quiz!

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