Star ascidian  (Botryllus schlosseri)

Facts

Kingdom Animalia
Phylum Chordata
Class Ascidiacea
Order Stolidobranchia
Family Styelidae
Genus Botryllus (1)
Size Zooid width: 2 - 4 mm (2)
Colony size: from a few mm to 150 mm (3)
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Status

Common and widespread (3).