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Table 2.

Predicted values from linear regressions using mean body angle values shown for Triakis semifasciata and Chiloscyllium punctatum holding position, and for Triakis semifasciata during vertical maneuvering at 1.0 Ls-1

Chiloscyllium punctatumTriakis semifasciata
VariableHoldHoldRiseSink
Body angle (degrees) 10 11 19 -3 
Path of motion angle (degrees) 1.0 -0.4 5.8 -11.3 
Ring axis angle (degrees) 126 121 131 103 
Jet angle (degrees) -43.8 -28.9 -37.6 -13.7 
Tail angle (degrees) 163 155 155 155 
Chiloscyllium punctatumTriakis semifasciata
VariableHoldHoldRiseSink
Body angle (degrees) 10 11 19 -3 
Path of motion angle (degrees) 1.0 -0.4 5.8 -11.3 
Ring axis angle (degrees) 126 121 131 103 
Jet angle (degrees) -43.8 -28.9 -37.6 -13.7 
Tail angle (degrees) 163 155 155 155 

Values are from five sequences per behavior from each of three individuals per species.

These mean values result from using regression equations for all locomotor behaviors (see Figs 5, 7, 8).

L, total body length.

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