Length-Weight Relationship (LWR) of Glossogobius giuris, Hypseleotris agilis, Oreochromis niloticus and Cyprinus carpio of Lake Mainit, Jabonga, Northeastern Mindanao

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Length-Weight Relationship (LWR) of Glossogobius giuris, Hypseleotris agilis, Oreochromis niloticus and Cyprinus carpio of Lake Mainit, Jabonga, Northeastern Mindanao

Meconcepcion Ngilangil-Lansang
J. Bio. Env. Sci.18( 3), 63-69, March 2021.
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The length- weight relationship (LWR) parameters of fish are the primary variables used to evaluate the growth pattern of fish. One thousand three hundred twenty-one (1,321) fish individuals were collected from Lake Mainit from the period of November 4 to December 20, 2018. Species obtained were belonged to 4 families with only one species per family and half are native and introduced to the country. LWR was computed using the equation W=aLb, the value of “b” in length and weight relationship ranged from 2.476 – 2.830 lower than the Bayesian estimates. The results revealed that Cyprinus carpio exhibited isometric growth (3.045), Hypseleotris agilis (2.952) negative in growth and Glossogobius giuris (3.451) showed positively allometric growth dimensions that are in contrast to the Bayesian estimates. Only the negatively allometric growth patterns of Oreochromis niloticus (2.958) exhibited almost the same values in Bayesian estimates (2.93- 3.01). The results of this study could be used as a valuable tool for fishermen and improve fish stocks for the continuous supply to the community of important fish.


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