Table 2. Behavioural effects of CBD on zebrafish.

The fish were exposed for 30 min to either CBD dissolved in ethanol, ethanol alone or water. The behaviour, reflected as swimming distance and swimming velocity, was recorded by top and side view cameras.

		Ratio	t-test		Ratio	t-test		Ratio	t-test
		Ethanol vs Water			CBD vs Water			CBD vs Ethanol
Top view	Velocity	1.12		0.11	0.63		0.01*	0.71	0.04*
	Distance	0.89		0.11	0.63		0.01*	0.71	0.04*
Side view	Velocity	0.92		0.18	0.57		<0.01*	0.62	0.01*
	Distance	0.91		0.17	0.57		<0.01*	0.62	0.01*
		Water			Ethanol			CBD
Top view vs Side view	Velocity	1.32		<0.01*	1.29		0.02*	1.47	0.09
	Distance	1.32		<0.01*	1.29		0.02*	1.47	0.09

*: p<0.05, Student’s t-test.

Upper part of the table (above the dotted line): comparison of treatment groups. Lower part of the table (under the dotted line): comparison between top and side views.