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CATCh COMPOSITION OF FISHES BY USING DIFFERENT TYPES OF FISHING  GEARS IN LOHALIA RIVER OF BANGLADESH

Publication Date - 2014-10-25 00:00:00

Publication Title : CATCh COMPOSITION OF FISHES BY USING DIFFERENT TYPES OF FISHING  GEARS IN LOHALIA RIVER OF BANGLADESH

Publicationed By : Md. Rabiul Islam Rubel

Publication Publication Date : 2014-10-25 00:00:00

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Publication Description :

A study was conducted on the types of fishing gears used; catch assessment survey (CAS) and species composition of the  Lohalia River adjacent to the sadar upazilla of Patuakhali district. Various types of fishing gears were found to operate in this river;  they were broadly classified into 2 groups, such as nets and traps. A total of 8 types of nets and 2 types of traps  were recorded. A total of 43 species of fish were identified in the catches of different gears used by the fishermen. Among  the different types of nets, the highest number of species (28) was recorded in the catches of Behundi jal, which was  followed by Ber jal (26) and relatively less number of species (5) were recorded in the catches of Sain jal. The reasons  behind the fluctuation in the number of fishing gears used in the river are availability of fish. In July to October the water  level of the river remains high, so the abundance of fish remains also high. Again, in this period different fish breed and  different marine species also come with high tide. With the freshwater species different marine species of fish are also  available in Lohalia River. Some marine species are available almost all the year round and some species come in the river  during their breeding seasons, especially rainy season. Fishing by using traps is done mainly during July to September  when the water level remains high. During high tide the water enter into the adjacent canals and the fishermen set the traps  in the mouth of the canals. The traps are mainly used at nigh t. 



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