Table 1.

Results of nested analysis of variance (sperm parameter ∼ condition (male)) examining sperm parameters in two species of echinoderm. The adjusted α following Bonferroni corrections was p = 0.007 for all tests. Significant p-values below the adjusted α are in italics.

species	Lytechinus pictus						Heliocidaris erythrogramma
response variable	condition			condition (male)			condition			condition (male)
sperm parameter	F	d.f.	p-value	F	d.f.	p-value	F	d.f.	p-value	F	d.f.	p-value
curvilinear velocity	101.56	2	<0.001	11.15	57	<0.001	35.60	2	<0.001	13.63	39	<0.001
straight-line velocity	67.49	2	<0.001	14.14	57	<0.001	62.67	2	<0.001	17.88	39	<0.001
average-path velocity	86.56	2	<0.001	14.18	57	<0.001	21.15	2	<0.001	11.11	39	<0.001
path linearity	2.76	2	0.067	3.42	57	<0.001	32.01	2	<0.001	11.81	39	<0.001
side-to-side head wobble	4.27	2	0.016	4.11	57	<0.001	3.84	2	0.025	4.61	39	<0.001
path straightness	1.07	2	0.346	1.59	57	0.018	39.76	2	<0.001	12.87	39	<0.001
motility	41.96	2	<0.001	7.92	57	<0.001	7.59	2	<0.001	5.34	39	<0.001