New approaches concerning the testis of Astyanax lacustris (Characidae): immunohistochemical studies - Costa, Fabiano Gonçalves; Gomes, Chayrra Chehade; Adolfi, Mateus Contar; Carvalho, Mayra Costa da Cruz Gallo de; Zanoni, Marco Antônio; Seiva, Fábio Rodrigues Ferreira; Borella, Maria Inês (Fish Physiology and Biochemistry, 2023)