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Turkish Journal of Fisheries and Aquatic Sciences 2011, Vol 11, Num, 1     (Pages: 07-13)

Reproductive Characteristics of Mullet (Liza abu H., 1843) (Pisces, Mugilidae) in the Atatürk Dam Lake, Southeastern Turkey

Erdinç Şahinöz 1 ,Zafer Doğu 1 ,Faruk Aral 2 ,Ramazan Şevik 3 ,Hasan Hüseyin Atar 4

1 Harran University, Bozova Vocational High School, Department of Fisheries, 63850, Sanliurfa, Turkey
2 Nigde University, Bor Vocational High School, Department of Large and Small Animal Breeding, 51700, Nigde, Turkey
3 Afyonkocatepe University, Faculty of Engineering, Department of Food Engineering, 03200, Afyonkarahisar, Turkey
4 Ankara University, Faculty of Agriculture, Department of Fisheries and Aquaculture, 06110, Dışkapı, Ankara, Turkey
DOI : 10.4194/trjfas.2011.0102 Viewed : 7280 - Downloaded : 4046 In this study reproductive biology of Liza abu (Pisces Mugilidae) from Atatürk Dam Lake in the Euphrates River Basin was observed. Some reproductive characteristics such as age, egg number, sexual determination, gonadosomatic index (GSI) of Liza abu (n=821) are taken into consideration. The relationship between total weight (Wt), and total length (Lt) and fecundity (F) were investigated during the period from January 2004 to December 2005. The ages of investigated fish ranged from 1 to 5. The ratio of the numbers of fish samples with egg (89): total of female (413): total sample of Liza abu (810) were determined as 1:4.64:910 respectively. Though the highest gonadosomatic index (GSI) of female was found in April, male‟s was highest in May. The relationships between the total weight (Wt) and fecundity (number of eggs= F), total length (Lt) and fecundity (F) of L. abu were found as Fw = 25.5+0.00583Wt (R2= 0.557) and FL= 14.2+0.000373 Lt (R2= 0.496) respectively. Relationship between total weight (Wt) and gonad weight (Wg) in males and females were found as Wt=38.5+2.55Wg (R2=0.222) and Wt= 36.8+4.55Wg (R2=0.331), respectively. Keywords : Atatürk Dam, fecundity, gonad somatic index, Liza abu, reproduction