|Researched by||Emma Snowden||Refereed by||Admin|
|Other common names||-||Synonyms||-|
Depending on the season (July to September) it is possible to see the larvae within the colony due to their large size and spherical shape. The larvae are brooded separately from the zooids and are usually a dark pink or purple regardless of the colony colour so stand out and are large enough to see without a hand lens. (Larval information; G. Lambert pers. comm.). The released tadpole larvae have a ring of 25-30 vascular ampullae around the trunk (see image).
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Arenas, F., Bishop, J.D.D., Carlton, J.T., Dyrynda, P.J., Farnham, W.F., Gonzalez, D.J., Jacobs, M.W., Lambert, C., Lambert, G., Nielsen, S.E., Pederson, J.A., Porter, J.S., Ward, S. & Wood, C.A., 2006. Alien species and other notable records from a rapid assessment survey of marinas on the south coast of England. Journal of the Marine Biological Association of the United Kingdom, 86, 1329-1337.
Howson, C.M. & Picton, B.E., 1997. The species directory of the marine fauna and flora of the British Isles and surrounding seas. Belfast: Ulster Museum. [Ulster Museum publication, no. 276.]
Saito, Y., Mukai, H. & Watanabe, H., 1981. Studies on Japanese compound styelid ascidians II. A new species of the genus Botrylloides and redescription of B. violaceus Oka. Publications of the Seto Marine Biological Laboratory, XXVI , 357-368.
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Last Updated: 29/04/2008