Feeding Habit and Length-Weight Relationship, Sciaena umbra Linnaeus, 1758 from Southeastern Black Sea

Year 2020, Volume: 16 Issue: 4, 479 - 486, 01.12.2020

Mehmet Aydın , Elizabeth Grace Tunka Bengil

https://doi.org/10.22392/actaquatr.714094

Cited By: 3

Abstract

There are many studies on the growth, reproduction, and diet of Sciaena umbra Linnaeus, 1758 in the Mediterranean Sea, while general information on the species is scarce with only a few limited regions from along the Turkish coasts of the Mediterranean Sea, the Aegean Sea, Sea of Marmara and the Black Sea. A total of 217 individuals, 98 males, and 119 females were obtained between March 2018 and February 2019 from the Southeastern Black Sea (Ordu province). Length of the individuals ranged from 11.70-48.20 cm, and weight ranged from 16.43-1934.48 g. According to IRI % analysis, the primary prey group is crustaceans for all individuals and each sex. The secondary prey group was teleost and the third was mollusks. This study extends the current knowledge of length and weight relationships and dietary habits of near threatened brown meagre for its long-needed sustainable management, especially in the Black Sea.

Keywords

Black Sea, Brown meagre, LWR, feeding habits

Güneydoğu Karadeniz'den Sciaena umbra Linnaeus, 1758 türünün Beslenme Alışkanlığı ve Boy-Ağırlık İlişkisi

Abstract

Akdeniz’de Sciaena umbra Linnaeus, 1758 türünün büyüme, üreme ve diyeti üzerine bir çok çalışma yayınlanmış olmasına karşın Akdeniz’in Türkiye kıyıları, Ege Denizi, Marmara Denizi ve Karadeniz’den tür üzerine genel bilgi sınırlıdır. Toplamda 217 birey, 98 erkek ve 119 dişi, Mart 2018 ve Şubat 2019 arasında güneydoğu Karadeniz’den (Ordu) elde edilmiştir. Bireylerin boyları 11,70-48,20 cm ve ağırlıkları 16,43-1934,48 gr arasında değişmektedir. Tüm ve her eşey için %IRI analizine göre ana besin grubu krustaselerdir. İkincil besin grubu teleost ve üçüncül molluskadır. Bu çalışma, özellikle Karadeniz'de uzun süredir avlanan eşkina türünün sürdürülebilir yönetimi için ihtiyaç duyulan boy ve ağırlık ilişkileri ve beslenme alışkanlıkları hakkındaki güncel bilgi birikimini genişletmektedir.

Keywords

Beslenme Alışkanlığı, Eşkina, Karadeniz, boy-ağırlık ilişkisi

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