Distribution and Some Morphometrical Properties of Mesopotamian Spiny Eel, Mastacembelus mastacembelus (Banks & Solander 1794) in Adıyaman Region Streams, Turkey

Abstract

Distribution and Some Morphometrical Properties of Mesopotamian Spiny Eel, Mastacembelus mastacembelus (Banks & Solander 1794) in Adıyaman Region Streams, TurkeyIn this study, distribution, morphometric and meristic features of Spiny Eel, Mastacembelus mastacembelus (Bank&Solender, 1794) in Adýyaman district streams has been investigated. M. mastacembelus specimens have been caught from high vegetation aquatic plants habitats in Ziyaret stream, Kahta stream, Göksu stream, Sofraz stream, Çakal stream and Aksu stream. It has been detected variation a total length 12.06 to 60.18 cm and total weight 14.5-430 g of total 26 M. mastacembelus specimens determined from in study area. At the specimens detected in our study area, dorsal, anal and caudal fins were close but they were clearly separated from each other. However, any one specimen (398.8 g and 528.73 mm) caught in Ziyaret stream showed combined dorsal, anal and caudal fins are completely. Average spine numbers in between dorsal fin and head were 33 and anal spine numbers were average 3. Average, rostral length, head depth, body depth (from anal) and eye diameter were 8.38 mm, 23.11 mm, 27.21 mm, 3.26 mm respectively. Consequently, Mastacembelus sp. in Ziyaret Stream has different morphological characters than that of the other Mastacembelus populations reported in the previous studies however, the other Mastacembelus populations have similar morphological characteristics with the other populations in Turkey

Keywords

• Mastacembelus mastacembelus, distribution, morphometri, Adýyaman

Adıyaman Bölgesi Akarsularında Dikenli Yılan Balığı (Mastacembelus mastacembelus Banks&Solander 1794)'nın Dağılımı ve Bazı Morfometrik Özellikleri

Öz

Bu çalışmada, Adıyaman bölgesi akarsularındaki dikenli yılan balığının (Mastacembelus mastacembelus) dağılımı, morfometrik ve meristik özellikleri incelenmiştir. M.  mastacembelus bireyleri; Ziyaret çayı, Kahta çayı, Göksu çayı, Sofraz çayı, Çakal deresi ve Aksu çayı'nda  bitkisel  vejetasyonu fazla olan habitatlarda tespit edilmiştir. Araştırma bölgesinden elde edilen toplam  25 adet M.  mastacembelus bireyinin  total boyları 12,06-60,18 cm, total ağırlıkları ise 14,5-430,0 g arasında değişim göstermiştir. Söz konusu araştırma bölgesinde tespit edilen bireylerde dorsal, anal ve kaudal yüzgeçler çok yakın olup bariz bir şekilde birbirlerinden ayrılırlar.Ancak,  Ziyaret çayında yakalanan bir bireyde (398,8 g ve 528,73 mm) ise dorsal, anal ve kaudal yüzgeçler tamamen birleşik durumdadır. Dorsal yüzgeç ile baş arasındaki ortalama diken sayısı 33 olup anal diken sayısı ortalama 3'tür. Ortalama olarak; rostral uzantı 8,38 mm,  baş yüksekliği  23,11 mm, vücut yüksekliği (analden) 27,21 mm ve  göz çapı (dikey) 3,26 mm'dir. Sonuç olarak, Ziyaret Çayı’ndan yakalanan Mastacembelus sp. bireyinin Türkiye’de rapor edilen Mastacembelus bireylerinden morfolojik olarak farklı olduğu ve diğer populasyonların ise ülkemizdeki Mastacembeulus populasyonları ile benzerlik gösterdiği tespit edilmiştir.

Anahtar Kelimeler

• Mastacembelus mastacembelus, morfometri, Adıyaman.,dağılım

Kaynakça

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