Fig. 1 in Reproductive period, fecundity and histology of gonads of two cheirodontines (Ostariophysi: Characidae) with different reproductive strategies - insemination and external fertilization

Fig. 1. Histology of ovaries of Compsura heterura at different stages of maturation: maturing (a, b), mature (c, d) and semispent (e, f). Black arrow - follicular cells, EZ and white arrow - spermatozoa, FV - post-ovulatory follicles, M - micropile, N - nucleus, NU - nucleolus, OR - early primary growth oocytes, PV - Previtellogenic oocytes, V - vitellogenic oocyte, ZR - radiate zone. Magnification 10x (a, e), 20x (b, c), 100x (d, f).