..., bending the fish into the characteristic C shape, followed by a traveling wave of muscle contraction on the contralateral side that moves the fish away from the threat. Superficially, the kinematics of the terrestrial tail-flip resemble the C -start, with the anterior body rolling up and over the tail...

...Philip L. Newland; Daniel Cattaert; Douglas M. Neil; Francois Clarac ABSTRACT Steering movements of the abdomen and the terminal appendages, the uropods, of the rock lobster Jasus lalandii have been examined during slow postural responses and during tail-flips using a combination of movement...

... of the crayfish SG, and the implications of the SG for the possible evolutionary paths of the giant fibre system are discussed. 10 6 1986 © 1986 by Company of Biologists 1986 hermit crab giant neurones segmental giant tail-flip An enigmatic feature to emerge from recent studies...