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VOL. 8, ISSUE 1 (2023)
Influence of Environmental Factors on Growth and Egg-Laying Behavior of the Freshwater Snail Indoplanorbis exustus
Authors
Dr. Archana Mantale
Abstract
The present study investigates the effect of
environmental factors such as temperature, photoperiod, pH, starvation, and
water quality on the growth and oviposition of the freshwater pulmonate snail Indoplanorbis
exustus. Results indicate that optimum growth and reproduction occur at
temperatures between 25–30 °C under a 12:12 h light–dark photoperiod and
neutral to slightly alkaline pH (7.0–8.0). Prolonged starvation significantly
reduces growth rate, delays maturity, and suppresses egg-laying activity. Poor
water quality and low dissolved oxygen levels also adversely affect fecundity
and hatchability, while clean, well-aerated water enhances reproductive
performance. Temperature and photoperiod jointly influence the duration of egg
development and clutch frequency. The findings demonstrate that I. exustus
is highly sensitive to environmental fluctuations, and its population dynamics
largely depend on the stability of physicochemical and nutritional conditions
in its aquatic habitat.
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Pages:35-38
How to cite this article:
Dr. Archana Mantale "Influence of Environmental Factors on Growth and Egg-Laying Behavior of the Freshwater Snail <i>Indoplanorbis exustus</i>". International Journal of Fisheries and Aquatic Research, Vol 8, Issue 1, 2023, Pages 35-38
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