Reproductive biology and spawning aggregation fishing of the white-streaked grouper, Epinephelus ongus, associated with seasonal and lunar cycles

@article{Ohta2015ReproductiveBA,
  title={Reproductive biology and spawning aggregation fishing of the white-streaked grouper, Epinephelus ongus, associated with seasonal and lunar cycles},
  author={Itaru Ohta and Akihiko Ebisawa},
  journal={Environmental Biology of Fishes},
  year={2015},
  volume={98},
  pages={1555-1570}
}
The reproductive biology of the white-streaked grouper Epinephelus ongus, which forms spawning aggregations in the Yaeyama Islands, Okinawa, was examined by gonadal histology and oocyte development analysis. Gonadal histology showed that the spawning season was determined from April to July, but there are two spawning periods associated with the specific lunar cycle, during the week after the last quarter moon in two consecutive months. The pattern of oocyte development indicated that… CONTINUE READING

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