The distribution and habitat preferences of the zebrafish in Bangladesh

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The present study presents the results of a survey of a wide range of water bodies in Bangladesh to identify and describe Danio rerio habitat preferences. Field-based experiments were conducted to determine the vertical distribution of D. rerio in the water column, together with five other fish species commonly found in association with D. rerio. Danio rerio is a floodplain rather than riverine species, being most abundant in shallow lakes, ponds and ditches, typically in open locations with relatively clear water and abundant vegetation at the margins. It is commonly found in water bodies with a connection to rice cultivation and is more common in the north of Bangladesh than the south. Danio rerio occupies the whole of the water column and is observed as frequently in open water as amongst aquatic vegetation.

Keywords: Cyprinidae; Danio rerio; behaviour; ecology; model species

Document Type: Regular Paper


Affiliations: 1: Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh, 2: Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna 9208, Bangladesh 3: Department of Biology, University of Leicester, University Road, Leicester, LE1 7RH, U.K.

Publication date: November 1, 2006

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