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Occurrence of Fishes and Non-fin Fishes of the River Padma Near Rajshahi, Bangladesh

S. S. Bhuiyan
Department of Fisheries, University of Rajshahi, Rajshahi

M. A. R . Joadder
Department of Fisheries, University of Rajshahi, Rajshahi

A.S. Bhuiyan
Department of Zoology, University of Rajshahi, Rajshahi 6205. Bangladesh

Abstract/ Executive Summary:

The least dominant orders were Tetraodontiformes, Beloniformes and Mugiliformes. 1 species of fish was recorded from each order of Tetraodontiformes, Beloniformes, Mugiliformes of the family Tetraodontidae, Belonidae and Mugilidae respectively. For most of the fishes, breeding season is found in monsoon period (May- September). Among non-fin fishes the phylum Chordata is represented by 2 species of amphibians, Rana tigrina and Rana hexadactyla which are available throughout the year and breed during June-July. 3 species of Reptilians are found which include Trionyx gangeticus, Kachuga tectoni and Chitra indica which are available throughout the year and they breed during April-September. Phylum Arthropoda is represented by 4 species of Crustaceans which include Macrobrachium rosenbergii, M. malcolmsonei, Cancer sp. which are available throughout the year and breed during December-February and M. lamarrei is also available throughout the year and its breeding season is April-June. Phylum Mollusca is represented by 2 species which includes Pila globosa, Unio sp. which are available throughout the year and breed during April-June.

Keywords: Occurrence, Fishes and non-fin fishes, Padma

Location: Department of Fisheries, University of Rajshahi, Rajshahi

Start Date: 00-12-2006

End Date: 00-11-2007

Program Area: Resource Development and Management

Commodity: Fish

Objectives:

To explore the existing fish fauna of the river Padma near Rajshahi (Bulanpur to Shahapur).

Methodology:

The study area of the river Padma covers from Bulanpur to Shahapur of Rajshahi City. The fish specimens were collected and identified directly from the spots. Monthly visits were made in the fish markets of Binodpur, Shaheb Bazar and Laxmipur during the study period. Visits to the fish-landing centers of Bulanpur, Allupattighat and Shahapur were also made almost once in a week throughout the study period which started from December 2006 to November 2007. The specimens were identified with the help of books and systematically categorized. Identification was made following the standard methods. A structured questionnaire was prepared to collect the data on the fishes and non-fin fishes of the river Padma near Rajshahi. The analysis of the collected data was done in the laboratory using different keys, figures and tables. During the study period, 1 species of Chondrichthyes, 72 species of Osteichthyes, 11 species other than fishes under the classes Crustacea (Arthropoda), Gastropoda (Mollusca), Amphibia and Reptilia (Chordata) were recorded from the study area (Table-1). During the study period the dominant order found was Cypriniformes. A total of 24 species of fishes were recorded from the order Cypriniformes of which 21 species from the family Cyprinidae and 3 from the family Cobitidae.

Source of Information: Univ. j. zool. Rajshahi Univ. Vol. 27, 2008 pp. 99-100; ISSN 1023-6104

Article Link (Online Journal): http://journals.sfu.ca/bd/index.php/UJZRU

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Among the fin fishes 33.33% of the total species comprised of order Cypriniformes, 29.17% Siluriformes, 12.50% Clupeiformes, followed by 11.11% Perciformes, 5.56% Channiformes, 1.39% each included orders of Beloniformes, Mugiliformes, Tetraodontiformes and 4.17% Mastacembeliformes respectively and among non-fin fishes 36.36% belonged to Arthropoda and 18.18% Mollusca and 45.46% phylum Chordata respectively.

Knowledge Management: Journal