Original scientific paper
LENGTH-WEIGHT RELATIONSHIP, GROWTH PATTERN AND CONDITION FACTOR OF SEVEN FISH SPECIES INHABITING MANASBAL LAKE OF KASHMIR HIMALAYA, THE DEEPEST FRESHWATER LAKE IN INDIA
2023, 81 (1) p. 0-0
Tabasum Yousuf, Yahya Bakhtiyar, Saima Andrabi, Gohar Wani
Abstract
For aquaculture assessments, the length-weight relation and condition factor are considered as standard methods for determining development of the fish, its health , and the potential yield. A year-long study was conducted to calculate length-weight relationships (LWRs) and condition factor (K) for 7 important fish species, including Schizothorax niger, S. curvifrons, Cyprinus carpio, Carassius carassius, Pethia conchonius, Crossocheilus diplochilus, and Gambusia holbrooki in Mansbal lake. The results revealed that approximately 4 captured fish species (S. niger, S. curvifrons, C. diplochilus, and G. holbrooki) exhibited negative allometric growth and occurred to be thinner. While other fish species (C. carpio, C. carassius, P. conchonius) exhibited positive allometric growth. A significant level of LWR was observed (P < 0.01) in all seven fish species, with coefficients of determination (R2) and correlation coefficients (r) ranging between 0.83 and 0.96. The K was higher in C. carpio than in C. carassius, P. conchonius, G. holbrooki, C. diplochilus, S. niger, and S. curvifrons respectively. Using the current study, we reported for the first time, the LWRs and condition factor of 7 fish species from the Manasbal Lake, Kashmir. This data will be helpful to assess the ecological condition of the Lake, monitoring and managing these inhabitant species.
Keywords
Aquaculture, Carp, Condition Factor (K), Lake, Management, Schizothorax