...José E. Trujillo; Ian Bouyoucos; William J. Rayment; Paolo Domenici; Serge Planes; Jodie L. Rummer; Bridie J. M. Allan ABSTRACT Accelerative manoeuvres, such as fast-starts, are crucial for fish to avoid predation. Escape responses are fast-starts that include fundamental survival traits for prey...

..., whereas locomotor behaviors consistently used higher intensities on the side undergoing muscle shortening. In all epaxial regions, fast-starts used the highest activation intensities, although high-performance suction feeding occasionally showed near-maximal intensity. Finally, active muscle volume...

... facilitates efficient air breathing. Drag dorsal side up during aquatic surface respiration is 1.5 times the value for the inverted posture. Fast-starts are rectilinear, directly away from the stimulus. Average and maximum velocity and acceleration decrease in surface proximity ( P <0.05) and are higher...

... responses were constant through development. The species studied were the short-horn sculpin ( Myoxocephalus scorpius L.) and the long-spined sea scorpion ( Taurulus bubalis Euphr.). Fast-start escape performance was measured as a proxy of fitness, and maximum body-length-specific speed ( Û max...

...David G. Harper; Robert W. Blake ABSTRACT Fast-start performance of northern pike Esox lucius (mean length, 0.38m) during prey capture was measured with subcutaneously implanted accelerometers. Acceleration-time plots and simultaneous high-speed ciné films reveal four behaviours with characteristic...

... types of fast-starts for trout and three for pike. Simultaneous high-speed ciné films demonstrate a kinematic basis for these differences. Trout performing C-shaped fast-starts produce a unimodal acceleration-time plot (type I) while during S-shaped fast-starts a bimodal accelerationtime plot (type II...