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Journal of Experimental Biology 62,685-700 (1975)
Published by Company of Biologists 1975

The Mechanism of Statocyst Operation in the Mysid Shrimp Praunus Flexuosus

D. M. NEIL 1

1 Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EF; Gatty Marine Laboratory, University of St Andrews, St Andrews KY16 8LB, Scotland

Analysis of the compensatory eyestalk responses of mysid shrimps before and after the removal of one statocyst has revealed, in the light of statocyst anatomy, that the two statocysts co-operate in their action at all angles of body tilt. Many features of statocyst operation in mysids are shared by decapod crustaceans, but an important difference exists between the geometries of the two statocyst systems. The consequences of this difference highlight the structural constraints on systems of statolithic gravity receptors for which shear magnitude is the adequate stimulus.

Submitted on October 28, 1974






© The Company of Biologists Ltd 1975