Fatty acid composition of fish is one of the key factors for the evaluation of fish nutritional value and it could be different based on fish species, habitat, nutrition and etc. The aim of the present study was to evaluate the fatty acid composition of five commercially important freshwater fish from the fish market. Studied fish were as follows: Barbell, Luciobarbus pectoralis (Heckel, 1843),...

The fishery of bony fishes has an economic important in southern part of Caspian Sea ,but there are few reports about the pathogens of them in this area .Eustrongylides excisus , a parasite (Nematoda: Dioctophymidae) can damage the muscles of bony fishes . So, consumers avoid to buy the infected fish. Hence , the parasite can cause economic loss.In order to determine the occurance and intensity...

On the basis of qualitative osteological characters, six anuran taxa are present in the late Pliocene Inglis 1A Local Fauna, an apparent natural trap in karst Eocene limestone. They are Scaphiopus holbrookii, Gastrophryne carolinensis, Hyla cinerea, Rana catesbeiana, Rana capito, and Bufo defensor n. sp. (that appears to be related to Bufo terrestris). The predominance of adults in the size cla...

In this study, genetic differences and phylogenic relationships among six Mugilidae species (Mugil cephalus, M. capito, Liza subviridis, L. saliens, L. aurata, Valamugil buchanani) were determined using PCR-sequencing. M. cephalus, L. subviridis, and V. buchanani from the Persian Gulf and Oman Sea, and L. aurata and L. saliens from the Caspian Sea were col-lected. Samples of an imported, Egypt...

Pesticides are complex organic substances that an important source of water pollution. Using pesticides is one the actions for harvest protection. This, however, does not negate fact its usage can result to negative consequences as well. The study toxic action lambda-cigalotrin (the piretroid insecticides which included in icons, karate, commodore, samurai) on quantitative contents fatty acids ...