The Potential of the Invasive Snail<i>Pomacea canaliculata</i>as a Predator of Various Life-Stages of Five Species of Freshwater Snails

Kwong, King Lun; Chan, Robert K. Y.; Qiu, Jian‐Wen

doi:10.4002/040.051.0208

Cited by 70 publications

(44 citation statements)

References 19 publications

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“…Acarii, Ostracoda and Chironomidae). This pattern agrees with other authors about animal remains being included in the diet of these snails (Cazzaniga and Estebenet, 1984;Aditya andRaut, 2001, Wood et al, 2006;Kwong et al, 2009). This is in accordance with Horgan et al (2014) who addressed that under conditions where macrophytes, algae and decaying plant materials are sufficiently abundant, predation of aquatic fauna is probably low.…”

Section: Discussionsupporting

confidence: 81%

“…Once the invader population has settled, it will compete with indigenous species for food and space (Morrison and Hay, 2011). At the beginnings of the 1980, P. canaliculata was introduced in South and Southeast Asia becoming a serious pest of rice crops causing incalculable economic losses (Carlsson et al, 2004;Morrinson and Hay, 2011;Kwong et al, 2009;Joshi and Sebastian, 2013). The favorable weather conditions, the availability of food resources (crops or macrophytes), a high reproductive potential and the lack of natural predators have contributed to its success as an invader (Damborenea and Darrigran, 2002;Joshi, 2007;Hayes et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

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Dieta de Pomacea canaliculata (Gastropoda: Ampullariidae) en su hábitat natural basada en análisis de contenidos digestivos e isótopos estables

et al. 2016

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Pomacea canaliculata is native to Rio de la Plata basin, and it is invasive in most of South and Southeast Asia after accidental introduction during unsuccessful attempts to establish commercial aquaculture of this species, and being present, the number one pest of rice crops in the region. Investigations in its native habitat are still needed because fundamental issues of its trophic ecology remain unknown. The aim of this research was to study the diet of P. canaliculata in its natural habitat through gut content techniques and stable isotopes of 13C and 15N. Biological samples were taken from November 2009 to December 2010 in Carnaval stream, a characteristic Pampean stream. Samples for stable isotopes of 13C and 15N using of a mixing model were collected in November 2011. The trophic strategy diagram evinced a generalist diet with high consumption of detritus followed by the vascular plants and algae. The mixing model results indicated that the relative contribution to the diet was similar for all basal resources: fine and coarse particulate organic matter, epipelon and aquatic macrophytes (approximately 40 %). These results evidenced a strong dietary plasticity for the species.

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Section: Discussionsupporting

confidence: 81%

Section: Introductionmentioning

confidence: 99%

Dieta de Pomacea canaliculata (Gastropoda: Ampullariidae) en su hábitat natural basada en análisis de contenidos digestivos e isótopos estables

et al. 2016

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“…Moreover, in addition to exerting pre-emptive competition for food for other macroinvertebrates, P. canaliculata may prey on them. There have been reports of predation by this apple snail on freshwater bryozoans (Wood et al 2006), adults and egg capsules of several species of pulmonates (Cazzaniga 1990;Kwong et al 2009), as well as juveniles of M. tuberculata and the viviparid Sinotaia quadrata ). Yipp et al (1991) reported that invasion of apple snails appeared to cause population declines in the invasive planorbid snail Biomphalaria straminea in Hong Kong, which is small and has a fragile shell and would be vulnerable to predation.…”

Section: Discussionmentioning

confidence: 97%

Secondary production and diet of an invasive snail in freshwater wetlands: implications for resource utilization and competition

et al. 2009

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Invasive species can monopolize resources and thus dominate ecosystem production. In this study we estimated secondary production and diet of four populations of Pomacea canaliculata, a freshwater invasive snail, in wetlands (abandoned paddy, oxbow pond, drainage channel, and river meander) in monsoonal Hong Kong (lat. 22°N). Apple snail secondary production (ash-free dry mass [AFDM]) ranged from 165.9 to 233.3 g m -2 year -1 , and varied between seasons. Production was lower during the cool dry northeast monsoon, when water temperatures might have limited growth, but fast growth and recruitment of multiple cohorts were possible throughout much (7-10 months) of the year and especially during the warm, wet southwest monsoon. The diet, as revealed by stomach-content analysis, consisted mainly of detritus and macrophytes, and was broadly consistent among habitats despite considerable variation in the composition and cover of aquatic plants. Apple snail annual production was[10 times greater than production estimates for other benthic macroinvertebrates in Hong Kong (range 0.004-15 g AFDM m -2 year -1 , n = 29). Furthermore, annual production estimates for three apple snail populations (i.e.[230 g AFDM m -2 year -1 ) were greater than published estimates for any other freshwater snails (range 0.002-194 g AFDM m -2 year -1 , n = 33), regardless of climatic regime or habitat type. High production by P. canaliculata in Hong Kong was attributable to the topical climate (annual mean *24°C), permitting rapid growth and repeated reproduction, together with dietary flexibility including an ability to consume a range of macrophytes. If invasive P. canaliculata can monopolize food resources, its high productivity indicates potential for competition with other macroinvertebrate primary consumers. Manipulative experiments will be needed to quantify these impacts on biodiversity and ecosystem function in wetlands, combined with management strategies to prevent further range extension by P. canaliculata.

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“…They are often spread through aquarium suppliers and aquacultural introductions (Aditya & Raul, 2005, Aizaki & Yusa, 2009. Pomacea canaliculata can consume native snails and may have large impacts on biodiversity in some habitats (Kwong et al, 2009). There are more than 25 native invertebrate and vertebrate gastropod (2000) Methods of predatory attack and the presence or absence of predator-avoidance behaviors among various sizes of pulmonate prey species Hydrobiologia (2010) 653:191-215 195 predators known to include this invasive species in their diets (Carlsson et al, 2004;Yusa et al, 2006;Yoshie & Yusa, 2008;Carlsson et al, 2009;Burlakova et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Winning the biodiversity arms race among freshwater gastropods: competition and coexistence through shell variability and predator avoidance

Covich¹

2010

Hydrobiologia

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Explanations for the coexistence of many closely related species in inland waters continue to be generated more than 50 years after Hutchinson's question: why are there so many kinds of animals? This review focuses on the hypothesis that high species diversity of freshwater gastropods results, in part, from predators maintaining biodiversity across a range of deep-and shallow-water habitats. Invertebrate predators, such as aquatic insects, and leeches consume soft tissue of pulmonate snails by penetrating shells of various shapes and sizes. Crayfish and large prawns chip around the shell aperture to enter thick shells and crush small shells with their mandibles. Crabs use their strong chelae to crush thin and thick shells. Fishes with pharyngeal teeth are major shell-breaking predators that combine with other vertebrate predators such as turtles and wading birds to increase the diversity of gastropod communities by regulating the abundance of dominant species. Although the generalized diets of most freshwater predators preclude tight co-evolutionary patterns of responses, there are combinations of predators that modify gastropod behavior and shell morphology in aquatic assemblages of different ages and depths. This combination of invertebrate and vertebrate predatory impacts led to competitive advantages among individual gastropods with different adaptations: (1) less vulnerable shell morphologies and sizes; (2) predatoravoidance behaviors; or (3) rapid and widespread dispersal with variable life histories. Some individuals develop thicker and/or narrow-opening shells or shells with spines and ridges. Other thin-shelled species crawl out of the water or burrow to lower their risk to shell-breaking or shell-entering predators. Some alter their age at first reproduction and grow rapidly into a size refuge. Fluctuations in water levels and introductions of non-native species can change competitive dominance relationships among gastropods and result in major losses of native species. Many different gastropod predators control species that are human disease vectors. Most snails and their predators provide other ecosystem services such as nutrient cycling and transfer of energy to higher trophic levels. Their persistence and diversity of native species require adaptive management and coordinated study.

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The Potential of the Invasive SnailPomacea canaliculataas a Predator of Various Life-Stages of Five Species of Freshwater Snails

Cited by 70 publications

References 19 publications

Dieta de Pomacea canaliculata (Gastropoda: Ampullariidae) en su hábitat natural basada en análisis de contenidos digestivos e isótopos estables

Dieta de Pomacea canaliculata (Gastropoda: Ampullariidae) en su hábitat natural basada en análisis de contenidos digestivos e isótopos estables

Secondary production and diet of an invasive snail in freshwater wetlands: implications for resource utilization and competition

Winning the biodiversity arms race among freshwater gastropods: competition and coexistence through shell variability and predator avoidance

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