Bu çalışmada Dicle Nehri’nin Güçlükonak ile Cizre arasındaki Mevkiinde (Şırnak) Ocak 2015 Aralık tarihleri arasında yakalanan Alburnus sellal bireylerinin boy-ağırlık ilişkisi kondisyon faktörü araştırılmıştır. İncelenen 107 adet A. bireyinin dişilerde W=0.0129*L2.925 (R2=0.8803±0.115), erkeklerde W=0.0076*L3.0908 (R2=0.7033±0.151) ve tüm bireyler için W=0.0092*L3.0363 (R2=0.8332±0.133) olarak ...

In this study, the fish species inhabiting Bolaman Stream drains to Black Sea from Fatsa coast (Ordu Province, Turkey) was reported for first time. The study caught out non-periodically by sampling seven stations in between July 2017 and November 2018. Fish samples were captured with an electroshock device. With it determined that fauna of is represented 10 five families (Acheilognothidae, Cypr...

Sex-reversed females are the fathers of all-female fish and their sperm quality directly affects fish. In this study, fecundity, physiological characteristics, biochemical ultrastructure, viability sex-reversed female after cryopreservation were investigated to understand quality. (1) The had a lower fertilization rate, hatching larval survival rate 72 hr higher deformation compared with normal...

Abstract Fluvalinate and esfenvalerate are pyrethroid insecticides used to control insect pests. These pesticides can enter the aquatic environment in different ways after use, causing toxicity. Tarek is a fish of Cyprinidae family native Lake Van basin Turkey. This study was conducted determine acute toxicity fluvalinate adult tarek. In bioassays, tarek with an average length 20.6±1.2 cm weigh...

diet of adult pikeperch sander lucioperca, eurasian perch perca fluviatilis, northern pike esox lucius and european catfish silurus glanis as top predators in aquatic ecosystems in serbia was investigated during 2011, in order to understand their relationship to their prey and to investigate their food consumption, feeding and assimilation rate, cannibalism, and habitat segregation. northern pi...

       The study included seven common types of fish in the Iraqi local market Salah al-Din Governorate / Tikrit, which are (Carasobarbus luteus, Alburnus mossulensis, Cyprinion kais, Chondrostoma regium, Barbus barbulus, belayewi, subquincunciatus). The cholesterol and triglycerides these showed that levels experimental were (104.55-9.56 -6.37-9.56 -14.88-51.03-15...

This study was carried out between September 2020 and March 2021 to determine the selectivity of monofilament gillnets used in pearl mullet, Alburnus tarichi (Güldenstädt, 1814), fishing Lake Van. The SELECT method applied selectivity. best model for mullet determined as log-normal model. optimum catch lengths with 20, 22 24 mm mesh sizes were calculated 21.69 cm, 23.84 cm 26.01 respectively. C...

In this study, fish species diversity and protection criteria, habitat evaluation, threat elements of the ichthyofauna Devrez Stream were examined monthly between April 2020 March 2021. Eight taxa (7 natives, 1 non-native) belonging to four families (Cyprinidae, Gobionidae, Leuciscidae, Gobiidae) identified. Chondrostoma angorense Elvira, 1987 (endemic) from mentioned was reported for first tim...