What is the scientific classification of starfish?
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Q:

What is the scientific classification of starfish?

A:

Quick Answer

Starfish are part of the phylum Echinoderm and are most closely related to sea cucumbers, brittle stars and sea urchins. They are in the kingdom Animalia, class Asteroidea, and can be any of a variety of different orders, since it is estimated that there are more than 2,000 different star-shaped sea critters known to man.

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Full Answer

Starfish are not really fish at all, and scientists refer to them as sea stars. They are invertebrates with hundreds of tube feet that they use for help with movement and feeding. Instead of a backbone, the starfish has a hard plate under its skin that gives its body structure and support.

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Related Questions

  • Q:

    Where do starfish live?

    A:

    Starfish, which have been renamed sea stars, live in all areas of the oceans that cover the Earth. The most common form of starfish is the five-armed species that earned the species its nickname. There are versions of this marine invertebrate that have up to 40 arms.

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  • Q:

    What part of the ocean do starfish live in?

    A:

    Starfish typically reside in shallow waters along rocky coasts, according to The Columbia Encyclopedia. The starfish is an echinoderm of the Asteroidae class. Around 2,000 species of starfish exist across the planet.

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    What is a scientific name for a starfish?

    A:

    The scientific name for a starfish, also called a sea star, is Asteroidea. These creatures are members of the phylum Echinodermata. Echinoderms live in the ocean and have radial symmetry, with appendages usually appearing in multiples of five.

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  • Q:

    How does a starfish protect itself?

    A:

    Starfish have sharp spines that serve to deter possible predators and make a starfish look like a rock, helping it blend into the background. Some species of starfish have a chemical coating on their bodies that gives them a bitter taste. Others produce poisons in their outer body walls.

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