Length-weight relationships for 48 fish species of the Gediz estuary, in İzmir Bay (Central Aegean Sea, Turkey)

Length-weight relationships were calculated for 48 fish species from İzmir Bay in the Aegean Sea, Turkey. A total of 3584 fish specimens were captured with beach seine, handline, fyke net, scoop net, castnet and trammel net in 2010–2014. The sample size ranged from three individuals for Squatina squ...

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Bibliographic Details
Published in:Journal of the Marine Biological Association of the United Kingdom 2018-06, Vol.98 (4), p.879-884
Main Authors: Kara, Alı, Sağlam, Cemıl, Acarli, Denız, Cengız, Özgür
Format: Article
Language:English
Subjects:
Argyrosomus regius
Beach seines
Chelon labrosus
Commercial fishing
Estuaries
Estuarine dynamics
Fish
Fish production
Fisheries
Fishing
Length-weight relationships
Marine fishes
Mugil cephalus
Mullet
Pomatoschistus bathi
Rivers
Squatina squatina
Syngnathus acus
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Summary:Length-weight relationships were calculated for 48 fish species from İzmir Bay in the Aegean Sea, Turkey. A total of 3584 fish specimens were captured with beach seine, handline, fyke net, scoop net, castnet and trammel net in 2010–2014. The sample size ranged from three individuals for Squatina squatina to 140 for Mugil cephalus. R2 values varied between 0.95 for Pomatoschistus bathi and 0.99 for Argyrosomus regius, Chelon labrosus and Mugil cephalus. All regressions were highly significant (P < 0.001). Values of the exponent b in the length-weight regression (W = aLb) ranged from 2.750 for S. squatina to 3.514 for Syngnathus acus and the median value was 3.134 with 25–75% of the values ranging between 3.030 and 3.218.
ISSN:0025-3154
1469-7769
DOI:10.1017/S0025315416001879