Sex electric-hormone action in fish

Temperature induces gonadal maturation and affects electrophysiological sexual maturity indicators inBrachyhypopomus pinnicaudatusfrom a temperate climate

“…Reliable and detectable modulations in EODs could serve as signals of reproductive state (Kelly, 1983). In Brachyhypopomus pinnicaudatus the EOD is biphasic (in a head-to-tail recording), composed of an early head-positive wave (P1) and a late head-negative wave (P2) (Hopkins, 1991).…”