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  1. No Access

    Article

    Gonadal remodeling and hormonal regulation during sex change of juvenile dusky grouper Epinephelus marginatus (Teleostei, Serranidae), an endangered protogynous hermaphrodite fish

    Sex change was induced in Epinephelus marginatus juveniles using a nonsteroidal aromatase inhibitor (AI), a synthetic androgen (17α-methyltestosterone; MT), and a combination of both (MT + AI) in a 90-day experim...

    J. A. Rodrigues-Filho, C. E. O. Garcia, C. G. Chehade… in Fish Physiology and Biochemistry (2020)

  2. No Access

    Article

    Immunocytochemical identification of adenohypophyseal cells in the pirarucu (Arapaima gigas), an Amazonian basal teleost

    The adenohypophysis (AH) of juvenile pirarucu (Arapaima gigas), a representative species of the Osteoglossomorpha (bonytongue fishes, one of the oldest living groups of the teleosts), was studied using histochemi...

    M. I. Borella, R. Venturieri, J. M. Mancera in Fish Physiology and Biochemistry (2009)

  3. No Access

    Article

    Patterns of oocyte development in natural habitat and captive Salminus hilarii Valenciennes, 1850 (Teleostei: Characidae)

    Fecundity and oocyte development in Salminus hilarii female brood stock were analyzed with the aim of investigating the impact of migration impediment on oogenesis. Histological analyses of the ovaries were perfo...

    R. M. Honji, A. M. Narcizo, M. I. Borella, E. Romagosa… in Fish Physiology and Biochemistry (2009)