Table 2. Morphological characteristics of a triploid, diploid representative and C. carassius.

	CCAHe1Fi hybrid female	CCAHe2Fi male	C. carassius
black dot at the base of caudal peduncle	yes	yes	yes
upper edge of the dorsal fin	slightly convex	slightly convex	convex
dorsal margin of head	convex	convex	convex
dorsal fin rays	III 16	III 17	III–IV 14–25
anal fin rays	II 6	II 7	II-III 5–8
scales in lateral line	30	34	(30) 31–36 (37)
scales above lateral line	6	6	6–8
scales below lateral line	7	7	5–7
peritoneum	whitish	whitish	whitish

A triploid and a diploid Carassius individual from Helsinki, Finland (this study). Diagnostic characters of C. carassius followed those in Baruš and Oliva [42]; Kottelat and Freyhof [3].