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Title: Discrimination of Nemipterus japonicus (Bloch, 1791) stock from Maharashtra and Goa states of India
Authors: Pawar, H.B.
Shirdhankar, M.M.
Barve, S.K.
Patange, S.B.
Keywords: ThreadFin;Regression;Fish;Species
Issue Date: Jun-2011
Publisher: NISCAIR-CSIR, India
Abstract: Nemipterus japonicus specimens collected from Mumbai, Ratnagiri and Panaji showed positive and high degree of correlation (P<0.01) in between various morphometrics. Pooled regression equation for Mumbai, Ratnagiri and Panaji established between fork length and total length was FL = 0.2404 + 0.8912 TL, while estimated equation of standard length on total length was SL = 0.1866 + 0.7736 TL. Established regression equations for head length on total length and head length on standard length were HL = - 0.1102 + 0.2465 TL and HL = - 0.1641 + 0.3181 SL respectively. Weight on total length relationships for Mumbai, Ratnagiri and Panaji specimens did not differ significantly, therefore, data was pooled and estimated regression equation was W = 0.0141 TL 3.0103, wherein isometric growth was observed. There were no significant differences observed between the relationships established among the morphometric characters as well as among length-weight relationships of N. japonicus collected from Mumbai, Ratnagiri and Panaji. The above envisages that fish which landed at all the three localities belonged to a single stock.
Page(s): 471-475
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.40(3) [June 2011]

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