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    Cymothoid (Crustacea, Isopoda) records on marine fishes (Teleostei and Chondrichthyes) from Turkey
    (2009) Öktener, Ahmet; Trillès, Jean Paul; Alaş, Ali; Solak, Kemal Cem
    Nine teleostean and one chondrichthyan species are identified as new hosts for six cymothoid isopods, Nerocila bivittata (Risso, 1816), Ceratothoa steindachneri Koelbel, 1878, Ceratothoa oestroides (Risso, 1826), Livoneca sinuata Koelbel, 1878, Anilocra physodes L., 1758 and Mothocya taurica (Czerniavsky, 1868). Six of these hosts are reported for the first time. They are: Helicolenus dactylopterus dactylopterus, Argentina sphyraena, Belone belone, Chromis chromis, Conger conger, Trisopterus minutus. Others are new hosts in Turkey.
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    Occurence of Diplectanum aequans (Wagener,1857) on the cultured sea bass, Dicentrarchus labrax (Linnaeus, 1758) from the Black Sea of Turkey
    (2009) Öktener, Ahmet; Alaş, Ali; Solak, Kemal Cem
    This report of Diplectanum aequans (Wagener,1857) (Platyhelminthes, Diplectanidae) was presented for the first time from the gills of Dicentrarchus labrax (Linnaeus, 1758) (Perciformes, Moronidae) cultured in the Black Sea of Turkey (Vona Koyu, Ordu, 41° 05' 02'' N; 37 ° 47' 04'' E). Diplectanum aequans was recorded with a prevalence of 100 % and 3.45 the mean intensity on host.
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    The reproductive biology of the tench (Tinca tinca L., 1758) in Kayabogazi (Kütahya, Turkey) Dam Lake
    (2004) Alaş, Ali; Solak, Kemal Cem
    This study was carried out between January 1996 and December 1997 in Kayabogazi Dam Lake. During this period 424 specimens were examined. The age of females and males ranged from I to VII. The fork length and weight of females and males were 102-277 mm and 15-377.02 g and 125-274 mm and 27-369.02 g, respectively. There was no statistically significant difference between females and males in terms of body length and weight. The sex ratio (male:female) was 0.947:1. Gonadosomatic index values varied from 1.40 to 10.19. The sexual maturity age for males and females was III and IV, respectively. The spawning period was from the beginning of June to the end of July. The average number of eggs was estimated to be 42,724 ± 5658.93 for each individual. In addition, the regression equations were Log F = -2.18301 + 2.923 log L (r = 0.96) for fecundity and body length (L) and Log F = 2.889918 + 0.792 log W (r = 0.97) for body weight (W).