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- W2386621657 abstract "Semilabeo notabilis Peters is an important economic fish in the Pearl River system. Based on the data taken from the biologcial investigations of the fish during 2003-2004, the present paper deals with the characteristics of morphology and annual rings, the relationship between body length and length of scales, the relationship between body length and body weight, the reproduction and feeding habits of this fish. The results show that the annual rings have two types, loose-close and cut patterns. The new annual rings are formed from February to April. The relationship between body length(L) and scale length (R) may be expressed as R=0.1998L-0.7624, and the relationship between body length(L) and body weight(W) may be expressed as W=0.0236L 2.9538 . Specimens include 0-7 years old individuals, but most of them are 3 years old ones in nature. The spawning season of the fish is from February to May, and the spawning type is one-off type. The relative fecundity is 2350 eggs per gram of body weight, and Absolute fecundity of female 17 575 eggs per fish. The sex ratio of the fish is 1.9:1 in nature. The fish feeds mainly on diatom, with a digest rate as high as 86.3%." @default.
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- W2386621657 date "2005-01-01" @default.
- W2386621657 modified "2023-09-23" @default.
- W2386621657 title "The biology of Semilabeo notabilis Peters in the Pearl River system" @default.
- W2386621657 hasPublicationYear "2005" @default.
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