Abstract

LENGTH-WEIGHT RELATIONSHIP AND RELATIVE CONDITION FACTOR OF ROHTEE OGILBII (SYKES, 1839) FROM NIRA RIVER, BHOR. MAHARASHTRA (INDIA).

Nirbhay S. Pimple* and Sanjay S. Kharat

Abstract

Western Ghats of Maharashtra is one of the biodiversity hot spot from India which caters a wide range of flora and fauna. Rohtee Ogilbii which is an endemic species from this region and is been widely consumed by the local population in fresh as well as dried form. It is economically important consumed in dry as well as fresh form and it is common in Nira River. logarithmic regression equation obtained for Rohtee Ogilbii (Sykes, 1939). Male is Log W = -0.9501x + 3.5871 Log L and for Female Log W = - 1.0105x + 2.9925 Log L.The regression coefficient obtained in case for Male was R=0.9413 and for the Female it was found out to be R= 0.9167. The result obtained in the present shows a good relation between length and weight. The cubic law (n= 2.680) in female for isometric growth. In case of male there is slight deviation from the cubic law where (n=3.298). This deviation may be because of early sexual maturity, environmental factor or due to intense feeding. The condition factor Kn obtained for Male is Kn= 0.0250 and for Female it is kn =0.0186. The result indicates that Rohtee Ogilbii (Sykes 1839) from Nira River shows well-being in natural habitat and this may be due to less industrialization in the area and less pollutant being added to the river.

Keywords: Rohtee Ogilbii, logarithmic regression equation, cubic law, condition factor Kn.