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Limnological Review
Volume 21
Issue 1
10.2478/limre-2021-0005
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Limnological Review is published by MDPI from Volume 22 Issue 1 (2022). Previous articles were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence, and they are hosted by MDPI on mdpi.com as a courtesy and upon agreement with Sciendo.
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Article

The Exotic Gastropod Clea helena (von dem Busch, 1847) as a Predator of Freshwater Gastropods: A Threat to Native Biota in India?

by
Pranesh Paul
,
Koushik Paul
,
Rupsha Karmakar
,
Arnab Shee
,
Debaditya Kumar
and
Gautam Aditya
*
Department of Zoology, University of Calcutta, Ballygunge Circular Road 35, Kolkata 700019, India
*
Author to whom correspondence should be addressed.
Limnol. Rev. 2021, 21(1), 55-62; https://doi.org/10.2478/limre-2021-0005
Published: 3 July 2021

Abstract

The carnivorous snail Clea (Anentome) helena (von dem Busch, 1847) (Gastropoda: Nassariidae), commonly called as the “assassin snail” is sold worldwide including India for aesthetics and the ability to kill pest snails in aquaria. Assuming invasion as a fair possibility, the predation potential of C. helena on seven native freshwater snails was assessed. The exotic predator consumed all the native snail species provided in the experiment and prey consumption varied with the prey species identity, the prey density and the prey size class. Future colonization and establishment of C. helena in Indian freshwater ecosystems may reduce the abundance of the native gastropod snails, in absence of suitable intervention.
Keywords: assassin snail; biological invasion; ornamental aquaculture; operculate snails; pet trade assassin snail; biological invasion; ornamental aquaculture; operculate snails; pet trade

Share and Cite

MDPI and ACS Style

Paul, P.; Paul, K.; Karmakar, R.; Shee, A.; Kumar, D.; Aditya, G. The Exotic Gastropod Clea helena (von dem Busch, 1847) as a Predator of Freshwater Gastropods: A Threat to Native Biota in India? Limnol. Rev. 2021, 21, 55-62. https://doi.org/10.2478/limre-2021-0005

AMA Style

Paul P, Paul K, Karmakar R, Shee A, Kumar D, Aditya G. The Exotic Gastropod Clea helena (von dem Busch, 1847) as a Predator of Freshwater Gastropods: A Threat to Native Biota in India? Limnological Review. 2021; 21(1):55-62. https://doi.org/10.2478/limre-2021-0005

Chicago/Turabian Style

Paul, Pranesh, Koushik Paul, Rupsha Karmakar, Arnab Shee, Debaditya Kumar, and Gautam Aditya. 2021. "The Exotic Gastropod Clea helena (von dem Busch, 1847) as a Predator of Freshwater Gastropods: A Threat to Native Biota in India?" Limnological Review 21, no. 1: 55-62. https://doi.org/10.2478/limre-2021-0005

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