Parasites & Vectors

Table 1 Relationships between parasite body size (in log) and measurements of the attachment apparatus (in log)

From: Evolution of host specificity in monogeneans parasitizing African cichlid fish

		All parasites				Generalists				Specialists
Dependent variable		n	b	P	R²	n	b	P	R²	n	b	P	R²
Dorsal anchors	Total length	28		ns		11		ns		17		ns
	Length to notch	28		ns		11		ns		17		ns
	Outer root	28	0.717	0.037	0.124	11		ns		17	0.750	0.017	0.326
	Inner root	28		ns		11		ns		17	0.420	0.043	0.245
	Point	28		ns		11		ns		17		ns
Ventral anchors	Total length	28		ns		11		ns		17		ns
	Length to notch	28		ns		11		ns		17		ns
	Outer root	28	0.610	0.043	0.116	11		ns		17	0.777	0.019	0.316
	Inner root	28	0.515	0.002	0.282	11		ns		17	0.598	0.019	0.314
	Point	28	0.296	0.001	0.312	11	0.298	0.049	0.294	17	0.263	0.026	0.289
Marginal hooks	MH1	28		ns		11		ns		17		ns
	MH2	28	0.172	0.015	0.178	11		ns		17		ns
	MH3	28	0.609	0.005	0.239	11		ns		17	0.756	0.009	0.377
	MH4	28	0.543	0.007	0.220	11		ns		17	0.723	0.006	0.400
	MH5	28	0.431	0.021	0.158	11		ns		17	0.665	0.008	0.386
	MH6	28	0.469	0.015	0.176	11		ns		17	0.687	0.007	0.391
	MH7	28	0.538	0.008	0.214	11		ns		17	0.685	0.008	0.380
Dorsal bar	Length of auricles	28	0.897	<0.001	0.383	11		ns		17	0.989	<0.001	0.572
	Total width	28	0.443	0.003	0.258	11	0.575	0.047	0.299	17		ns
	Distance between auricles	26		ns		10		ns		16	0.388	0.043	0.261
	Thickness	24		ns		9		ns		15		ns
Ventral bar	Branch length	28	0.307	0.006	0.229	11		ns		17	0.363	0.004	0.439
	Maximum width	23	1.329	0.008	0.254	10		ns		13	1.546	0.009	0.480

Parasite body size was used as independent variable. ns - non-significant relationship, b - the slope of regression, R² - the regression coefficient.

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ISSN: 1756-3305

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