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Slow Growth Did Not Decouple the Otolith Size–Fish Size Relationship in Striped Bass

 

作者: ClintonL. Dickey,   J.Jeffery Isely,   JosephR. Tomasso,  

 

期刊: Transactions of the American Fisheries Society  (Taylor Available online 1997)
卷期: Volume 126, issue 6  

页码: 1027-1029

 

ISSN:0002-8487

 

年代: 1997

 

DOI:10.1577/1548-8659(1997)126<1027:SGDNDT>2.3.CO;2

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Eight-day-old striped bassMorone saxatilis(6.17–6.22 mm, total length) were fed twice daily at three feeding rates to produce three growth rates. Fish were sampled once per week for 4 weeks to determine total length and otolith radius. Feed ration treatments resulted in discrete size-classes of striped bass after 4 weeks with a 27% difference in mean length between the low and high feed ration treatments. No significant differences in slope or intercept for the regression of fish length on otolith radius were observed among treatments, suggesting that slow growth alone may not be sufficient to result in decoupling of the otolith size–fish size relationship in striped bass.

 

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