Fig. 6From: Cyclic variations of gonad development of an air-breathing fish, Channa striata in the lentic and lotic environmentsTestes of Channa striata at different stages of maturation: a) SG: Spermatogonia; b) SC: Spermatocytes; c) ST: Spermatids; d) SZ: Spermatozoa; and e) LU: Empty lumen of tubulesBack to article page