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Length Weight Relationship and Condition Factor of Freshwater Snow Trout, Schizothorax Niger (Heckel 1838) from Dal Lake of Kashmir Himalayas


Affiliations
1 Department of Zoology, Fish Nutrition Research Laboratory University of Kashmir, Hazratbal, Srinagar, J.K, India
 

Typically, growth can be defined as the change in size (length, weight) over time. The length-weight relationship (LWR) and annual condition factor of an economically important snow trout, Schizothorax niger, from Dal lake of Kashmir was studied and reported in this communication. A total of 120 specimens were collected with the help of traditional fishing gear during 2012-2013. The coefficient ‘b’ value of the LWR suggested allometric growth throughout the year except in April, July and September where the growth was isometric (b=3). A trend line graph was applied to compare condition of fish in different months as per the relationship, which indicated declining growth condition. The condition factor showed an overt variation with highest value during the breeding season. The result obtained in this study will be useful for fishery managers to impose adequate regulations for fishery and sustainable management.

Keywords

Condition Factor, Dal Lake, Length-Weight Relationship, S. niger.
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  • Length Weight Relationship and Condition Factor of Freshwater Snow Trout, Schizothorax Niger (Heckel 1838) from Dal Lake of Kashmir Himalayas

Abstract Views: 276  |  PDF Views: 134

Authors

Imtiaz Ahmed
Department of Zoology, Fish Nutrition Research Laboratory University of Kashmir, Hazratbal, Srinagar, J.K, India

Abstract


Typically, growth can be defined as the change in size (length, weight) over time. The length-weight relationship (LWR) and annual condition factor of an economically important snow trout, Schizothorax niger, from Dal lake of Kashmir was studied and reported in this communication. A total of 120 specimens were collected with the help of traditional fishing gear during 2012-2013. The coefficient ‘b’ value of the LWR suggested allometric growth throughout the year except in April, July and September where the growth was isometric (b=3). A trend line graph was applied to compare condition of fish in different months as per the relationship, which indicated declining growth condition. The condition factor showed an overt variation with highest value during the breeding season. The result obtained in this study will be useful for fishery managers to impose adequate regulations for fishery and sustainable management.

Keywords


Condition Factor, Dal Lake, Length-Weight Relationship, S. niger.

References





DOI: https://doi.org/10.18311/jeoh%2F2016%2F15693