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Rainbow sea star

Orthasterias koehleri

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Fun Facts

If these sea stars lose an arm, they are able to regenerate a new one.

Species Type:

Invertebrates

Common Name(s):

Rainbow sea star

Size:

Rainbow sea stars can grow to 24 inches (60 centimeters) in diameter length.

Diet:

These sea stars eat thick-shelled clams, tunicates and chitons.

Range & Habitat:

Along North America's Pacific coast, rainbow sea stars can be found in rocky, sandy and muddy areas.

Details:

Despite their name, these sea stars don’t display a rainbow of colors. Instead, they are bright orange in color with a small central disk and five long arms.