Table 1. Number of individuals of each species and putative morphological hybrid collected in each sampling location.

Morphotype	Akita	Hiroshima	Kagoshima	Wakayama	Total
S. ventricosus		41	28	33	102
S. inermis		42	32	37	111
S. cheni	30	43	3	13	89
Black-white		22	1	3	26
Red-white		19	7		26
Kumano				6	6
Total	30	167	71	94	360