The reproduction, feeding habits and growth of salangid fishes Neosalanx taihuensis and N. Oligodontis in wanghu lake
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    Abstract:

    The present paper deals with the reproduction, feeding habits and growth of salangid fishes Neosalaruc taihuensis and N. oligodontis in the Wanghu Lake, Hubei Province. The survey was conducted from 1992 to 1993 and the results are summarized as follows. The male secondary sexual characters of N. taihuensis emerge in October and those of N. oligodontis in November. Both species spawn in batches. The N. taihuensis spawns from March to June, with an average absolute individual fecundity of 1 506 eggs per female and dominant body-length groups of 56.0 mm to 64.9mm; and for N. oligodontis, from March to May, 569 eggs per female and 35.0mm to 42- 9mm, respectively. Both species feed mainly on Cladocera and Copepoda, with feeding intensities peaking twice, from October to November and from February to April. The juveniles grow fast before June and the adults grow fast between September and November. Erased on the studies, some propagation measures are suggested.

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殷国俊,曹克驹,余志堂,龚世园.网湖银鱼的繁殖、食性与生长[J]. Journal of Lake Sciences,1997,9(1):63-70.

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History
  • Received:May 22,1995
  • Revised:April 29,1996
  • Adopted:
  • Online: March 26,2015
  • Published:
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