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:: Volume 5, Number 4 (Spring 2016) ::
J. Aqu. Eco. 2016, 5(4): 122-127 Back to browse issues page
Morphological variation and Taxonomic validation of gill raker characteristics in Caspian marine shad (Clupeidae: Alosa braschnikowi)
Mohammad Sadegh Alavi-Yeganeh *, Somayeh Razavi
Abstract:   (1414 Views)

We used 50 specimens of Alosa braschnikowi (A. brschnikowi) to study the growth effect on Gill raker morphology. Gill rakers counted as 26-47 which increased in relation to increase in TL (P<0.05). Gill raker lengths and the length:width ratio decreased with a high coefficient of relationships (R2=0.818 and 0.634 subsequently) regarding the increase of TL. The proportion of gill raker length to gill filament length decreased with increased TL. Results indicated selective filter feeding behavior of A. braschnikowi and variation of gill raker morphological characteristics with TL increase during growth.

Keywords: Alosabraschnikowi, Gill Raker, Shad, Taxonomy
Full-Text [PDF 655 kb]   (493 Downloads)    
Type of Study: Short document | Subject: Special
Received: 2015/06/7 | Accepted: 2015/12/18 | Published: 2016/05/29
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Alavi-Yeganeh M S, Razavi S. Morphological variation and Taxonomic validation of gill raker characteristics in Caspian marine shad (Clupeidae: Alosa braschnikowi). J. Aqu. Eco.. 2016; 5 (4) :122-127
URL: http://jae.hormozgan.ac.ir/article-1-204-en.html
Volume 5, Number 4 (Spring 2016) Back to browse issues page
نشریه علمی بوم شناسی آبزیان Journal of Aquatic Ecology
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