PhysiologybioRxiv
Factors affecting secondary sex characteristics in the yellowtail tetra Astyanax altiparanae
D. H. Siqueira-Silva, R. M. Betolini, N. L. Pereira…·G. S. Yasui
This study examines factors influencing spinelets, a secondary sexual characteristic in yellowtail tetras, showing their dependence on sex, size, gonadal development, and season, but not sterility.