Oogenesis and expression of PCNA and vitellogenin in Geophagus native to the Amazon basin in pre- and post-hydroelectric dam periods

Follicular complex may predict reproductive tactics in siluriform fishes

“…The size of adult individuals is given in Table 1 as reported in the literature. Captured fish were anesthetized with benzocaine hydrochloride (0.1 g.L −1 ) and euthanized with sodium pentobarbital solution (60–100 mg/kg) as seen in the literature [ [44] , [45] , [46] ]. Subsequently, gonads were removed by ventral incision.…”