The karyotypic characteristics of   chub, Squalius cephalus have been investigated by examining metaphase chromosomes spreads obtained from gill and kidney tissues. The fish used in the study were caught with fishing nets from Dumlu Stream, one of the main tributaries of the Karasu River. The live fish were transported to the laboratory,  kept in a well aerated aquarium before analysis and then...

Sadegh Hedayat is one of the most renowned contemporary writers whose various works are discussed by many literary critics. His short story "The Case of Chrystal (rock) Salt" is a humorous and satirical story is collected in Tittle-tattle alongside with five more short stories. The narrator of the story explains the history of human civilization and evolution based on his own perspective. “The ...

Long-term surveys confirm the rapidity of environmental and biological changes undergone by endangered species but that also concerned relatively “tolerant” species, especially common rheophilic such as European chub ( Squalius cephalus , Linnaeus 1758). As many organisms, fish are highly vulnerable during their first life stages. Body size is a determinant factor for ecosystem functioning to s...

The Tablas de Daimiel National Park (TDNP) is a floodplain ecosystem in central Spain with potential risk of heavy metal and metalloid pollution. objective this study was to know the accumulation arsenic (As), cadmium (Cd), mercury (Hg), lead (Pb), selenium (Se) muscle six species freshwater fish from TDNP. We obtained samples Cyprinus carpio (n = 89); Squalius pyrenaicus 16); Ameiurus melas 9)...