Table 3.

Summary of the linear mixed-effects model for the effects of swimming context and speed on tail beat frequency for juvenile mullet

Term	Numerator df	Denominator df	F	p	Estimate	t	p	S.E.M.	Lower 95 % CI	Upper 95 % CI
Intercept	1	27.28	1371.59	<0.001
Context	2	31.59	29.66	<0.001
Rank 1					−0.546	−6.04	<0.001	0.09	−0.728	−0.364
Rank 2-8					−0.638	−7.47	<0.001	0.09	−0.811	−0.466
Solitary					0.000			0.00
Speed	2	25.41	153.37	<0.001
10					−0.671	−17.01	<0.001	0.04	−0.751	−0.592
20					−0.365	−13.66	<0.001	0.03	−0.421	−0.308
30					0.000			0.00