Sex steroids in intersexual fishes

  title={Sex steroids in intersexual fishes},
  author={Samuel Ting-Hon Chan and William S. B. Yeung},
  journal={Fish Physiology and Biochemistry},
Studies of thein vitro gonadal steroidogenesis in intersexual fishes, using labelled testosterone as precursor, showed large species variation. The protogynousMonopterus albus produced predominantly 5α-reduced metabolites while the protandrousRhabdosargus sarba produced mainly 5β-reduced products. Both fishes synthesized 11-oxotestosterone; the synthesis of which appeared to mediate mainly through adrenosterone inM. albus butvia 11β-hydroxytestosterone inR. sarba. When the plasma levels of… CONTINUE READING


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