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Morphometric Relationships and Condition Factors of Two Freshwater Barbs, Puntius Sophore and Puntius Ticto from the Padma River of Bangladesh

Saad Ahmad
Fellow, Department of Fisheries, University of Rajshahi, Rajshahi-6205, Bangladesh.

M. Manjurul Alam
Department of Fisheries, University of Rajshahi, Rajshahi-6205, Bangladesh

M. Afzal Hussain
Department of Fisheries, University of Rajshahi, Rajshahi-6205, Bangladesh

Abstract/ Executive Summary:

The present study carried out the length-length, length-weight relationships and condition factors of two freshwater barbs Puntius sophore and Puntius ticto from Padma river of Bangladesh. The length-length relationships with total length among different body lengths for P. sophore and P. ticto were found highly significant with all “r” values ranged from 0.888 to 0.997 for P. sophore and 0.897 to 0.996 for P. ticto. The interrelationships among the length parameters were also found highly significant with all “r” values being >0.872 both for P. sophore and P. ticto. The length-weight relationship equations were obtained as TW=0.00831TL^3.015 for P. sophore and TW=0.00647TL^3.021 for P. ticto and found highly significant. The observed (K_o), calculated (K_c) and relative (K_n) condition factors showed little variation for both the species and maintained fairly same patterns among them. Findings of the present work would be helpful for fishery managers as well as the sustainable management of freshwater barbs of Bangladesh as well as other countries of the world.

Keywords: Bangladesh, Barb, Condition factor, Morphometry, Puntius

Location: Rajshahi

Start Date: 00-01-2011

End Date: 00-12-2011

Program Area: Variety and Species

Commodity: Aquatic animal

Objectives:

1. To know the length-length, length-weight relationships and condition factors of two freshwater barbs Puntius sophore and Puntius ticto.

Methodology:

A total of 800 specimens of P. sophore and 600 specimens of P. ticto were collected from January, 2011 to December, 2011. During the period all the specimens were collected from different fishing areas of Padma River and surrounding water bodies of Rajshahi. After collection of all specimens were washed well, confirmed to the species level and then preserved in 10% formalin. Different lengths viz. total length (TL), fork length (FL), standard length (SL), head length (HL), pectoral length (PL), pelvic length (PvL), anus length (AnL) and anal length (AL) of the fishes were measured to the nearest 0.01 cm using digital slide calipers, and total weight (TW) was taken on a digital balance with 0.01 g accuracy. The length-length relationships total length among different body lengths were determined.

Source of Information: Trends in Fisheries Research Volume 2, Issue 3, 15-19 (2013) ISSN: 2319–474X (p); 2319–4758 (e)

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The length-length relationships with total length among different body lengths for P. sophore and P. ticto were found highly significant with all “r” values ranged from 0.888 to 0.997 for P. sophore and 0.897 to 0.996 for P. ticto.
The interrelationships among the length parameters were also found highly significant with all “r” values being >0.872 both for P. sophore and P. ticto.
The length-weight relationship equations were obtained as TW=0.00831TL^3.015 for P. sophore and TW=0.00647TL^3.021 for P. ticto and found highly significant.
Findings of the present work would be helpful for fishery managers as well as the sustainable management of freshwater barbs of Bangladesh as well as other countries of the world.

Knowledge Management: Journal