Botryllus

a colonial Ascidian


photographed by Jan Parmentier


 
Colonial Ascidians are embedded in a common tunic. They share the same atrial opening but have separate mouths. A colony is formed by budding. I did once see this process with a tunicate from the genus Botryllus in a Petri dish in my study. Starting with one specimen it formed a small colony within a few days,

Species of Botryllus can be found in many colours. From the deep blue one seen here as a background image to the bright red one below.

back to larval tunicates

 back to adult tunicates

 

 The pictures on this page were taken by Jan Parmentier

Jan Parmentier and Wim van Egmond 1998

 

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Published in August 1998 Micscape Magazine.

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