Dear Colleagues,
Many thanks you for your replies. I now think it simply was a mistype in the
reference I read; it should indeed have been thigmotactic (although the term does
not seem to be widely used).
Best Regards,
Maxim
Sarah Webster wrote:
> >From my biologist friend and barnacle expert Fabian Tapia here at Woods Hole
> Oceanographic:
>
> Fabian J Tapia wrote:
>
> > It's 'thigmotaxis' and it denotes an ability to detect changes in roughness
> > and/or find specific surfaces to settle.
> > Here is a reference.
> >
> > Back to dismembering barnacles
> >
> > FT
> >
> > TI: Title
> > Adhesion in barnacles.
> > AU: Author
> > Yule, AB; Walker, G
> > AF: Author Affiliation
> > Mar. Sci. Lab., Menai Bridge, UK
> > ED: Editor
> > Southward, AJ (ed)
> > SO: Source
> > CRUSTACEAN ISSUES. 5. BARNACLE BIOLOGY., 1987, pp. 389-402
> > IB: ISBN
> > 90-6191-628-3
> > AB: Abstract
> > Studies on adhesion have been mostly limited to balanomorphs and to
> > Semibalanus balanoides in particular. Measurements of temporary adhesion of
> > the balanomorph cyprids usually show tenacities of 2-3 x 10 super(5) Nm
> > super(-2), so dismissing suction as the mechanism. Adhesion involves a
> > proteinaceous adhesive released from unicellular glands onto the attachment
> > disc of the antennule. In the exploring phase, cyprids leave behind this
> > proteinaceous adhesive on surfaces and such protein promotes the settlement
> > of cyprids. The implication of this recently discovered phenomenon is
> > discussed in relation to gregarious settlement.
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