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How large can tunicate colonies grow?

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Bright blue sea squirt Rhopalaea crassa with yellow-edged openings grows on a coral reef among various corals in the Philippines. — tunicate Blue spot sea squirt (*Clavelina moluccensis*), a colonial tunicate.

Within the class Ascidiacea, colonial sea squirts can grow to reach lengths of up to two metres. These colonies are composed of multiple individual organisms known as zooids, which are typically produced through budding.12