Concentrations of heavy metals (Cd, Cr, Cu, Pb and Zn) were measured in water, bottom sediment and tissues (muscle and gills) of Leuciscus cephalus from the Dipsiz stream in the Yatagan basin (southwestern Turkey), the site of a thermal power plant. Results for levels in water were compared with national and international water quality guidelines, as well as literature values were reported for ...

The efficiency of individual genetic tagging was determined by using passive integrated transponders (PIT) as a comparative conventional tagging method. Fifty-five common dace Leuciscus leuciscus were captured in the wild, PIT tagged and fin clipped (for DNA analysis). Thirty fish were recaptured on three occasions and tissue samples were collected. Using 18 microsatellite loci, 79-94% of the r...

The aim of the present study was to determine the presence of p,p’-DDT and its metabolites (p,p’DDE and p,p’-DDD) and ã-HCH and PCBs in the muscle of gray mullet, Mugil cephalus collected from Cuddalore coast of Bay of Bengal during the period from June 2009 to January 2010. Polychlorinated hydrocarbons are convenient indicators of environmental pollution. The analyses were carried out using th...

There has been a widespread world-wide use of flathead mullet, Mugilcephalus, in fish biomonitor studies within the coastal zone. This review summarises this research field, focusing on heavy metals, and considers the implications of the accumulated data. Differences in sampling methodology, tissues analysed and units of reported data provide challenges in assessing and benchmarking these biomo...

No-effect concentration as well as safe concentration of mercury was evaluated by exposing Perna viridis and Mugil cephalus to 24-hour static renewal bioassay for 96-hours. The 96-hour LC50 value was 75 and 129 μg/l Hg for Mugil cephalus and Perna viridis. Juvenile mullets were more sensitive than green mussel. The safe concentration calculated were 0.75 and 1.29 μg/l Hg. The no-effect concentr...

This study describes at ultrastructural level the germ cells in the testis of matrinxã (Brycon cephalus) raised in captivity. The specimens 'matrinxã' were maintained in four breeding tanks of 200 m(2), at the Aquaculture Research Center at Vale do Ribeira-CEPAR, from Fishery Institute, in Pariquera-Açu City, São Paulo, Brazil. The samples were collected from March 1994 to February 1996. The te...

Bu çalışmanın amacı, Düzağaç-Akdeğirmen Baraj Gölü (Afyonkarahisar)’ndeki Squalius recurvirostris'in dactylogyrid parazit türlerini ve bu türlerin anatomik, morfolojik, metrik ekolojik özelliklerini tanımlamaktır. Araştırma metodolojisi kapsamında, recurvirostris örneklerinin deri yüzeyi, yüzgeç solungaçları parazitler bakımından incelendi. Dactylogyrus sp. bazıları etil alkol ortamında muhafaz...