Length-weight relationship for 14 fish species from the South-Western Black Sea, Turkey
Citation
Gözler, A.M. & Baytaşoğlu, H. (2022). Length-Weight Relationship For 14 Fish Species From The South-Western Black Sea, Turkey. J. Anatolian Env. and Anim. Sciences, 7(2), 138-144. https://doi.org/10.35229/jaes.1038903Abstract
In this study, the length-weight relationship (LWR) of 14 fish species including
Merlangius merlangus (Linnaeus, 1758),Trachurus trachurus (Linnaeus, 1758), Mullus barbatus
Linnaeus, 1758, Gobius niger Linnaeus, 1758, Scorpaena porcus (Linnaeus, 1758), Arnoglossus
kessleri Schmidt, 1915, Uranoscopus scaber Linnaeus, 1758, Serranus hepatus (Linnaeus, 1758),
Sygnathus thyphle Linnaeus, 1758, Aphia minuta (Risso, 1810), Trachinus draco Linnaeus, 1758,
Parablennius tentacularis (Brünnich, 1768), Callionymus risso Lesueur 1814, Pomatoschistus
marmoratus (Risso, 1810) caught from the western Black Sea coasts of Turkey was investigated.
Sampling was carried out between 2017-2018 with a beam troll net with a span of 2 m. The
sampling depth was between 10 m and 30 m. The minimum and maximum lengths and weights,
length-weight relationships, a and b parameters and growth type (isometric or allometric) of the
samples were determined. The b parameter of the length-weight relationship was determined
between 2.58 and 3.586. A total of 3615 individuals belonging to 14 species were examined in
the study. The most caugth species were M. barbatus (1118 individuals) and G. niger (1077
individuals). The coefficient of determination r2 value ranged from 0.79 (T. trachurus) to 0.99 (S.
hepatus). It was determined that three species showed isometric growth, 4 species showed
negative allometric growth and 7 species showed positive allometric growth. Bu çalışmada Batı Karadeniz kıyılarından yakalanan 14 balık türünün Merlangius merlangus
(Linnaeus, 1758), Trachurus trachurus (Linnaeus, 1758), Mullus barbatus Linnaeus, 1758,
Gobius niger Linnaeus, 1758, Scorpaena porcus (Linnaeus, 1758), Arnoglossus kessleri Schmidt,
1915, Uranoscopus scaber Linnaeus, 1758, Serranus hepatus (Linnaeus, 1758), Sygnathus
thyphle Linnaeus, 1758, Aphia minuta (Risso, 1810), Trachinus draco Linnaeus, 1758,
Parablennius tentacularis (Brünnich, 1768), Callionymus risso Lesueur 1814, Pomatoschistus
marmoratus (Risso, 1810) boy-ağırlık ilişkisi belirlenmiştir. Örnekleme 2017-2018 yılları
arasında 2 m açıklığa sahip beam troll ağıyla yapılmıştır. Örnekleme derinliği 10 m ile 30 m
arasındadır. Örneklerin minimum ve maksimum boy ve ağırlıkları, boy-ağırlık ilişkileri, a ve b
parametreleri ve büyüme tipi (izometrik veya allometrik) belirlenmiştir. Boy-ağırlık ilişkisinin b
parametresi 2.58 ile 3.586 arasındadır. Çalışmada 14 türe ait toplam 3615 birey incelenmiştir. En
çok yakalanan türler M. barbatus (1118 birey) ve G. niger (1077 birey) olmuştur. Belirleme
katsayısı r2 değeri 0.79 (T. trachurus) ile 0.99 (S. hepatus) arasında değişmektedir. Üç türün
izometrik, 4 türün negatif allometrik ve 7 türün pozitif allometrik büyüme gösterdiği tespit
edilmiştir.