STARFISH & RELATED ORGANISMS

Echinoderms are spiny marine animals such as starfish and sea urchins. Most echinoderms have small jaws, a water-vascular system and tube feet.

Featured

Sea Urchin

The sea urchin is a prickly-looking marine animal that is spherical in shape and covered with long movable spines.

1-7 of 7
  • Echinoderms
    Echinoderms

    The echinoderm is a member of a large group (phylum) of spiny-skinned marine animals, including starfish, sea urchins, and sea cucumbers. See more »

  • Sea Cucumber
    Sea Cucumber

    The sea cucumber is a marine animal shaped like a cucumber or sausage, related to the starfish and the sea urchin. See more »

  • Sea Urchin
    Sea Urchin

    The sea urchin is a prickly-looking marine animal that is spherical in shape and covered with long movable spines. See more »

  • Starfish
    Starfish

    The starfish, or sea star, is a bottom-dwelling marine animal. Despite its name, the starfish is not a fish; it is an echinoderm, a type of marine animal that is spiny-skinned. See more »

  • Brittle Star
    Brittle Star

    The brittle star is a marine animal related to the starfish, sea cucumber, sea urchin, and sand dollar. See more »

  • Crinoid
    Crinoid

    Crinoid is a word for any member of a class of colorful, plantlike sea animals related to the starfish. See more »

  • Sand Dollar
    Sand Dollar

    The sand dollar is a small disc-shaped marine animal closely related to the sea urchin. See more »

1-7 of 7

More To Explore

  • Most Popular

  • Most Watched

Don't Miss