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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2018, Vol. 6, Issue 2
Relative gut length and gastro-somatic index of Pethia conchonius (Hamilton, 1822) and Trichogaster fasciata Bloch & Schneider, 1801, Tripura

Kamei Lanthaimeilu and Dr. Pampa Bhattacharjee

The Relative gut length (RGL) and Gastro-somatic index (Ga.SL) of Trichogaster fasciata and Pethia conchonius were observed and the correlation ‘r’, regression constant ‘a’ and ‘b’ and coefficient of determination ‘R2’ were also analyzed to find out the relationship between gut length and body length. The regression equation for both the species is Y=124.868+8.205SL (T. fasciata) and Y=84.747+4.104SL (P. conchonius). The highest value of RGL and Ga.SI was observed in large size group fishes, except in T. fasciata. The present study reveals that both the species changes their feeding habits from carni-omnivorous to herbi-omnivorous as it increase in size but in P. conchonius it is found that feeding habit again changes from herbi-omnivours to carni-omnivorous. The feeding intensity is inversely related with the gonadal development which means that the Ga.SI decreases accordingly.
Pages : 2403-2407 | 1725 Views | 1046 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
Kamei Lanthaimeilu, Dr. Pampa Bhattacharjee. Relative gut length and gastro-somatic index of Pethia conchonius (Hamilton, 1822) and Trichogaster fasciata Bloch & Schneider, 1801, Tripura. J Entomol Zool Stud 2018;6(2):2403-2407.

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