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|Title:||Stock structure analysis of Nemipterus bipunctatus (Valenciennes, 1830) from three locations along the Indian coast|
Jaiswar, A. K.
Mol, Sibina S.
Renjith, R. K.
Sreekanth, G. B.
|Keywords:||Body morphometry;Delagoa threadfin bream;Nemipterus bipunctatus;Skull morphometry;Stock structure;Truss network analysis|
|Abstract:||Present study was done to identify the occurrence of various stocks of Nemipterus bipunctatus along the Indian coast, based on their body and skull shape morphometrics. Fish samples were collected from three locations along the Indian coast viz. Chennai along the East coast and Mumbai and Veraval on the West coast. Twenty truss distances from nine-point truss network of body and twenty-one truss distances from eleven-point truss network of the skull were measured from each fish sample. The canonical discriminant analysis showed that the truss distances belong to the anterior region and caudal peduncle of body and olfactory region of skull were significant in separating the fish stocks. The artificial neural network analysis revealed 91.4 % and 86.14 % well classification of the specimen, based on the truss distances of body and skull respectively. The results from the study indicated that there is a significant difference among the stocks of N. bipunctatus.|
|ISSN:||0975-1033 (Online); 0379-5136 (Print)|
|Appears in Collections:||IJMS Vol.48(12) [December 2019]|
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