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Fish Fauna of Halti Beel, Bangladesh

Angkur Mohammad Imteazzaman
Department of Fisheries, University of Rajshahi, Rajshahi-6205, Bangladesh

Shams Muhammad Galib
Department of Fisheries, University of Rajshahi, Rajshahi-6205, Bangladesh

Abstract/ Executive Summary:

This study was done for the aim of determining the fish species inhibiting in the Halti Beel, a famous wetland of northwest Bangladesh. A total of sixty-three fish species including 55 indigenous and 8 exotic species belonging to 8 orders, 20 families and 41 genera were recorded during the investigation period and listed with their nomenclature and systematic position. Cypriniformes and Cyprinidae were the dominant order and family in terms of species composition. Puntius sophore was the most abundant fish species accounting 8.03% of total catch. Three critically endangered, eleven endangered and eight vulnerable fish species of Bangladesh were also recorded in this water body.

Keywords: Halti Beel, Exotic fish, Threatened fish, Endangered fish, Critically endangered fish

Location: Natore Sadar Upazila, Natore district

Start Date: 00-06-2009

End Date: 00-07-2010

Program Area: Conservation and Biodiversity

Commodity: Aquatic animal

Objectives:

To understand the present status of fish diversity and their composition in Halti beel.

Methodology:

The Halti Beel is an important wetland in north-western Bangladesh located in Natore Sadar Upazila (sub-district) of Natore district within the latitudes of 24º28.5´ to 24º 32´ North and the longitudes of 89º00´ to 89º03´ East. It is a semi-closed perennial irregular shaped water body. This wetland is famous for producing large amount of fishes throughout the year and livelihoods of hundreds of fishermen from adjacent villages rely on this body of water. The beel lies between two rivers, the Atrai and the Barnai and it receives regular flood water during monsoon period from these two rivers. The total area of the water-body is about 1012.5 ha (during monsoon) and 15.95 ha (during dry season). The water depth varies from 1.5 to 6 m depending on season. The specimens examined in present study were captured beginning from June 2009 until July 2010 from different stations which can be represented. A total of 15,365 fish specimens were collected from five sampling sites (Site I, II, III, IV and V;) using cast net (1 inch mesh), gill net (0.5-1.0 inch mesh), lift net (0.5-1.0 inch mesh) and fishing traps (rectangular shaped traps, locally called dohair, bitti and kholsun). Different types and meshnets were used to ensure maximum harvesting of various species of different sizes. In the late evening, the gill nets and fishing traps were fixed in the water body for overnight. Early morning in the next day, the nets and fishing traps were taken out of the water with the help of two hired fishermen. Cast net was also used with the help of the hired fishermen to harvest fishes from the water. The harvested fishes were counted on the spots and brought to the laboratory except those were easily identifiable and preserved in 10% formalin solution. Collected fish specimens were identified.

Source of Information: International Journal of Current Research Vol. 5, Issue, 01, pp. 187-190, January, 2013

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

A total of sixty-three fish species including 55 indigenous and 8 exotic species belonging to 8 orders, 20 families and 41 genera were recorded during the investigation period and listed with their nomenclature and systematic position. Cypriniformes and Cyprinidae were the dominant order and family in terms of species composition. Puntius sophore was the most abundant fish species accounting 8.03% of total catch. Three critically endangered, eleven endangered and eight vulnerable fish species of Bangladesh were also recorded in this water body.

Knowledge Management: Journal