The Fish Fauna of Eşen Stream (Fethiye-Muğla) - Fırat Üniversitesi

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2. Materials and Methods The Eşen (Kocaçay) Stream, which has been chosen as the research area, is an important source of freshwater with high volume of flow and about 100 km in length. The Eşen Stream originates from Fethiye-Seki, Muğla, flowing into the Mediterranean Sea in The Kalkan area after joining with the stream the coming out of Saklıkent Canyon, which is touristically and ecologically improtant. The 18 km long Patara Beach, which is the one of the major breeding areas for turtles Caretta caretta, is located where the river joins the sea. This study was carried out between October 2002 and September 2003 (Figure1). In total, 3. Results Information about fish fauna in The Eşen Stream, Turkish and Latin names of the fish diagnostic features and distribution of them in Onaran, et al. 36 527 individuals from different sampling stations were caught by electro shock and other fishing equipments. The locations of the stations are shown in Figure 1. The samples were collected monthly or bi-monthly periods, depending on the weather conditions. The ecological factors and their impact in the river especially on the fish fauna were also observed. Fish samples were fixed in 4 % formaldehyde and transferred to the laboratory for processing. Metric and meristic characteristics of fish were determined and then samples were stored in 70 % alcohol. The samples were then analysed in Muğla University, Biology Department, Hydrobiology Research Laboratory. In order to determination of fish species several literatures were used [2,17-20]. the research area (Table 1) is provided by the present study. Species are ordered by numbering regardless of their systematic order. After diagnostic studies thirteen species belonging to 6 families were determined.
The Fish Fauna of Eşen Stream (Fethiye-Muğla) Table 1. The distribution of the fish species and subspecies at the stations in Eşen Stream. Fishes/Stations Ören 37 Alaçat Saklıkent Kınık Anguilla anguilla + + Salmo trutta macrostigma + Blennius fluviatilis + + + Carassius carassius + Leuciscus cephalus + + + + + Petroleuciscus borysthenicus + + + + Capoeta capoeta bergamae + Barbus plebejus escherichi + + + Atherina boyeri + Mugil cephalus + + Liza saliens + + Mugil ramada + Oedalechilus labeo + Patara Family: ANGUILLIDAE Species Anguilla anguilla (LINNAEUS, 1758) First site of discovery (Terra Typica): Europe Turkish and Local name: Yılan balığı Diagnostic: According to Ladiges and Vogt [18] D: 245-280. A:191-235. According to Balık [15], D:225-270, A: 180-245, P:16-20. According to Müller [19], D:245-280, A:205-235, P:15-20. According to Geldiay and Balık [2], D: 243-270, A: 175-248, C:8-12. According to the 33 samples analysed, diagnostic: D:243-270, A: 175-248, C: 8-12. Family: SALMONIDAE Subspecies Salmo trutta macrostigma (DUMERIL, 1855) First site of discovery (Terra typica): Algeria Turkish and Local name: Dağ alabalığı, Büyük lekeli alabalık Diagnostic characteristics: According to Geldiay and Balık [2], D: III- V 10-11 A: III-IV 8-10 L.lat:110-118. According to 23 samples analysed, D:III-10 A:III-9 L.lat 110-114. Family: BLENNIDAE Species Blennius fluviatilis (ASSO, 1801) First site of discovery (Terra typica): East and Southern Spain Turkish and Local name: Horozbina balığı Diagnostis: According to Geldiay and Balık [2], D: XII-XIII A: 18-20, P: 13-14 V:3-4, C:12- 14; According to the 42 samples analysed: D:XII-XIII A:18-19 P: 13-14 V:3-4. Family: CYPRINIDAE Species Carassius carassius (LINNAEUS, 1758) First site of discovery (Terra Typica): Europe Turkish and Local name: Havuz balığı
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The Fish Fauna of Eşen Stream (Fethiye-Muğla) - Fırat Üniversitesi

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