Geodesic
Sex, Age and Growth of the Spurdog (Squalus Acanthias Linnaeus, 1758) in the Southeastern Black Sea
Yugoslav journal of operations research, Tome 6 (1996) no. 2, p. 295 .

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This study was carried out in order to identify sex, age and growth of spurdogs (Squalus acanthias) sampled from the southeastern Black Sea between September and October 1991. It was found that the males predominated and the age of this species ranged between I and XIV, with a dominance of age VlII for both sexes. The length-weight relationship was described as $W = 0.0040 \cdot L^{2.95}$ and the mean annual growth rates in length and weight were 7.2 cm and 540.1 g, respectively. Von Bertalanffy growth parameters were also calculated as $W_{\infty} = 12021 (g)$, $L_{\infty} = 157 (cm)$, $K = 0.12$ (year^{-1})$ and $t_0 = - 1.30 (year)$.
Classification : 62P10
Keywords: Southeastern Black Sea, age and growth parameters, spurdog (squalus acanthias). 
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     author = {Dursun Avsar},
     title = {Sex, {Age} and {Growth} of the {Spurdog} {(Squalus} {Acanthias} {Linnaeus,} 1758) in the {Southeastern} {Black} {Sea}},
     journal = {Yugoslav journal of operations research},
     pages = {295 },
     publisher = {mathdoc},
     volume = {6},
     number = {2},
     year = {1996},
     zbl = {1057.62535},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/YJOR_1996_6_2_a13/}
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Dursun Avsar. Sex, Age and Growth of the Spurdog (Squalus Acanthias Linnaeus, 1758) in the Southeastern Black Sea. Yugoslav journal of operations research, Tome 6 (1996) no. 2, p. 295 . http://geodesic.mathdoc.fr/item/YJOR_1996_6_2_a13/