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Food selectivity and reproductive biology of small indigenous fish Indian river shad, Gudusia chapra (Hamilton, 1822) in a large tropical reservoir

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Title Food selectivity and reproductive biology of small indigenous fish Indian river shad, Gudusia chapra (Hamilton, 1822) in a large tropical reservoir
Not Available
 
Creator Suman Kumari
Uttam Kumar Sarkar
Gunjan Karnatak
Sandhya Kavitha Mandhir
Lianthuamluaia Lianthuamluaia
Vikash Kumar
Debabrata Panda
Mishal Puthiyottil
Basanta Kumar Das
 
Subject Reservoir ecosystem
Gudusia chapra
Stomach contents
Food selectivity
Reproductive traits
India
 
Description Not Available
Assessment of life history strategies of economically important small indigenous fishes (SIF) which are rich in nutritive values is
essential and imperative to artisanal and subsistence small-scale inland fisheries of Indian tropical reservoirs. The present
investigation aims to estimate the food selectivity in juveniles and adults, reproductive traits such as sexual maturity,
gonadosomatic index, ova diameter, and fecundity of Gudusia chapra from a large impounded ecosystem of India. A total of
668 (Juvenile 129, adult 539) specimens, 37 to 142 mm standard length and 0.89–25.68 g body weight were collected during
October 2014–September 2015. The qualitative estimation of the stomach contents revealed herbi-omnivorous feeding behavior
of fish. The mean relative gut length (mRGL) of the species was 1.557 ± 0.024 in juveniles and 1.154 ± 0.012 in adults. The sex
ratio was 1:1.30 with dominance of females in the population though insignificant. The total length at which 50% individual
attain maturity (TL50) was estimated as 80.50 mm based on the logistic curve. The absolute fecundity of the individuals ranged
from 749 to15044, and ova diameter ranged from 0.10–2.00 mm. The gonadal indices (GSI, MGSI, and DI) indicated that
spawning extended throughout the year with peak reproductive activity in October, March–April, and July (mean absolute
fecundity ranged from 4000 to 6000). The present study characterized biological and reproductive traits of G. chapra from a
large reservoir ecosystem and demonstrated a new trend of reproductive pattern which will serve as benchmark data for future
assessment and management planning of this species in impounded waters. The study also suggested some specific management
measures for sustainable exploitation and conservation of small indigenous species.
Not Available
 
Date 2021-08-11T06:37:03Z
2021-08-11T06:37:03Z
2020-10-27
 
Type Research Paper
 
Identifier Kumari, S., Sarkar, U. K., Karnatak, G., Mandhir, S. K., Lianthuamluaia, L., Kumar, V., ... & Das, B. K. (2021). Food selectivity and reproductive biology of small indigenous fish Indian river shad, Gudusia chapra (Hamilton, 1822) in a large tropical reservoir. Environmental Science and Pollution Research, 28(9), 11040-11052.
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/54652
 
Language English
 
Relation Not Available;
 
Publisher Springer