Fish assemblages inhabiting the Taizi River basin have been severely degraded by anthropogenic disturbances, which weaken basin’s ecological function and limited revitalization of northeast industrial base. Long-term rehabilitation has conducted to restore fish fauna improve habitat conditions. To explore distribution patterns key factors after this rehabilitation, a comprehensive detailed surv...

The ornamental fish, Carrassius auratus was artificially infected by the water mold Saprolegnia parasitica. fishes were left in aquariums without treatment until they died for purpose of histological study. Skin and muscle tissues sections have been prepared stained PAS. results showed clear tissue changes represented erosion necrosis skin epidermis muscles.

At least 100 fish species are known to be present in the intertidal areas (estuaries, mudflats and salt marshes) of Mont Saint-Michel Bay. These and other comparable shallow marine coastal waters, such as estuaries and lagoons, play a nursery role for many fish species. However, in Europe little attention has been paid to the value of tidal salt marshes for fishes. Between March 1996 and April ...