Temporal Dynamics of Reproduction of the Neotropical Fish, Crenicichla menezesi (Perciformes: Cichlidae)
Figure 5
Histological aspects of testicles of showing different stages of development: (a) immature testes with primary spermatogonia (G1); (b) maturing testes with spermatocytes (C); spermatids (Es) and spermatozoa (EZ); (c) mature testes with spermatozoa (Ez) and seminiferous tubules-arrows; (d) partially spent stage with primary spermatogonia and seminiferous tubules-arrows.