Something ID - pics

[philbo32]

Looks to me like a tunicate or sea squirt. It produces a free swimming larvae with a notocord (backbone) which settles and forms the sessile adult. The adult basically has 2 openings, one to take in particles while filter feeding and an opening to excreet waste.

This is a link to the UK microscopy website on tunicates http://www.microscopy-uk.org.uk/mag...icroscopy-uk.org.uk/mag/artdec00/tunicp1.html