Figure 5From: Coexistence of diploid, triploid and tetraploid crucian carp (Carassius auratus) in natural watersThe mature spermatozoa of CC. (A) and (B), the mature spermatozoa of 2nCC. (C) and (D), the mature spermatozoa of 3nCC. Bar in part A and C, 2 μm; in part B and D, 1 μm. As the figure shows, the mature spermatozoa of 2nCC and 3nCC had the normal external form, comprising a head, a connecting piece, and a tail.Back to article page