İskenderun Körfezi'nde (Doğu Akdeniz) Pomadasys stridens (Forsskål, 1775)’in Boy-Ağırlık İlişkisi ve Besin Kompozisyonu

Yıl 2025, Cilt: 8 Sayı: 1, 14 - 22, 14.07.2025

Sencer Akalın , Tuncay Murat Sever , Dilek İlhan , Murat Kaya , Burak Altay

https://doi.org/10.46384/jmsf.1591598

Öz

Toplam 513 adet Pomadasys stridens bireyi İskenderun Körfezi (Doğu Akdeniz)'nden bir balıkçı teknesi ile Temmuz ve Ağustos 2017'de, 18-20 m derinlikten toplanmıştır. Cinsiyet oranı (dişi:erkek) 1:1 olarak hesaplanmıştır. Dişilerin toplam boyu (ağırlığı) 7,1 cm ile 14,6 cm (4,78 g ile 44,97 g), erkeklerin ise 7,5 cm ile 15,5 cm (6,61 g ile 59,15 g) arasında değişmiştir. Boy-ağırlık ilişkileri: dişiler için W=0,00965·L3.164 (r=0,983), erkekler için W=0,00876·L3.195 (r=0,986) ve tüm bireyler için W=0,00834·L3.219 (r=0,988)’dir. Toplam 156 P. stridens midesi incelenmiş ve 22 takson tanımlanmıştır. Copepodlar tüm boy sınıfları için esas av grubunu oluşturmuştur. Amphipoda, Polychaeta ve Decapoda'nın bölgede beslenen tür için diğer önemli av grupları olduğu bulunmuştur. Copepoda sınıfından 9 tür tanımlanmış ve en yüksek IRI değerleri Calanopia elliptica (Calanoida) ve Euterpina acutifrons (Harpacticoida) için belirlenmiştir.

Anahtar Kelimeler

LWR , besin kompozisyonu , Pomadasys stridens , İskenderun Körfezi , Doğu Akdeniz

Length-Weight Relationship and Diet Composition of Pomadasys stridens (Forsskål, 1775) from İskenderun Bay (Eastern Mediterranean Sea)

Öz

A total of 513 the striped piggy, Pomadasys stridens were collected from İskenderun Bay, Eastern Mediterranean, by a fishing boat at depths of 18-20 m in July and August 2017. The overall sex ratio (female:male) was 1:1. The total length (weight) of females varied between 7.1 cm and 14.6 cm (4.78 g to 44.97 g), and of males between 7.5 cm and 15.5 cm (6.61 g to 59.15 g). The length–weight relationships were: W=0.00965·L3.164 (r=0983) for females, W=0.00876·L3.195 (r=0.986) for males and W=0.00834·L3.219 (r=0.988) for both sexes. A total of 156 P. stridens stomachs were analyzed and 22 taxa were identified. Copepods formed the main prey group for all length classes. Amphipoda, Polychaeta and Decapoda were found to be important prey groups for this species feeding in the area. A total of 9 different copepod species were identified with the highest percentage IRI values determined for Calanopia elliptica (Calanoida) and Euterpina acutifrons (Harpacticoida).

Anahtar Kelimeler

LWR , diet , Pomadasys stridens , İskenderun Bay , Eastern Mediterranean Sea

Kaynakça

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