Aquarium hitchhikers: attached commensals imported with freshwater shrimps via the pet trade

Patoka, Jiří; Bláha, Martin; Devetter, Miloslav; Rylková, Kateřina; Čadková, Zuzana; Kalous, Lukáš

doi:10.1007/s10530-015-1018-9

Cited by 61 publications

(55 citation statements)

References 26 publications

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“…In contrast to the long history of trade and keeping of tremendously popular freshwater fish and molluscs, the pet trade with freshwater ornamental decapod crustaceans including crayfish, shrimps and crabs has started rather late, in the mid-1990s (Scholtz et al, 2003;Chucholl, 2013;Patoka et al, 2016a).…”

Section: Introductionmentioning

confidence: 99%

“…Negative consequences such as out-competition with native species, disease spread, food web and habitat alternation, and incidental fauna introduction are widely discussed (Duggan, 2010;Gherardi et al, 2011;Chucholl and Wendler, 2016;Patoka et al, 2016a;Souty-Grosset et al, 2016). Although pet trade has been considered one of the most important sources of non-native species (Padilla and Williams, 2004;Duggan, 2010), risk assessment of decapod crustaceans introduced via this pathway had been marginalized for a long time.…”

Section: Introductionmentioning

confidence: 99%

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Risk assessment of pet-traded decapod crustaceans in the Republic of Kazakhstan, the leading country in Central Asia

Uderbayev¹,

Patoka

Beisembayev³

et al. 2017

Knowl. Manag. Aquat. Ecosyst.

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-The pet trade with decapod crustaceans has been considered one of the main pathway of introduction of these animals worldwide. As the leading markets in this regards are the Czech Republic, Germany and the USA. Central Asia is not perceived as an important market with ornamental decapod crustaceans. Despite this assumption, we found at least 16 species of freshwater shrimp, crayfish and crab species pet-traded in the Republic of Kazakhstan, the largest country in this region. Considering computed risk assessment, the origin of particular species, their availability on the market, the probability of establishment and further aspects, we identified two crayfish Procambarus clarkii and Procambarus fallax f. virginalis being the seriously hazardous taxa with high potential to threaten native crayfish species as well as inhabited ecosystems. To prevent their introductions and to minimize the risks of mentioned species, similarly as in the case of European Union, we recommend the total ban of import, trade and keeping of these high-risk taxa within Central Asia.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Risk assessment of pet-traded decapod crustaceans in the Republic of Kazakhstan, the leading country in Central Asia

Uderbayev¹,

Patoka

Beisembayev³

et al. 2017

Knowl. Manag. Aquat. Ecosyst.

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“…The development and growth of global markets for non‐native species is considered the dominant proximate cause of the increase in biological invasions (Perrings, Williamson, & Dalmazzone, ). The pet trade has been particularly responsible for introductions and, in some cases, subsequent establishment of numerous non‐native aquatic species and can constitute a threat for species in their native areas (Arndt, Gessner, & Raymakers, ; Lodge, Taylor, Holdich, & Skurdal, ; Nunes, Tricarico, Panov, Cardoso, & Katsanevakis, ; Padilla & Williams, ; Patoka et al, ; Rixon, Duggan, Bergeron, Ricciardi, & Macisaac, ). This phenomenon has been brought about by the fact that many people around the world are involved in the keeping of aquatic species for ornamental purposes (Duggan, ; Maceda‐Veiga, Domínguez‐Domínguez, Escribano‐Alacid, & Lyons, ; Padilla & Williams, ).…”

Section: Introductionmentioning

confidence: 99%

Irresponsible vendors: Non‐native, invasive and threatened animals offered for garden pond stocking

Patoka

Bláha

Kalous

et al. 2016

Aquatic Conservation

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1. The pet trade has been responsible for many introductions of non-native species. Freshwater ornamental plants and animals originating from the pet trade are stocked to garden ponds.The present survey focused on awareness and responsible behaviour related to biological invasion risks of companies that designed, built, and stocked garden ponds. 2. A representative number (n = 124) of companies (commercial garden pond architects and builders) in the Czech Republic were surveyed regarding the offer of non-native, invasive and threatened native species. The survey was conducted over the entire warm period (from 1 May 2015 to 31 September 2015) while using personal visits, correspondence and interviews to list the species on offer.3. 'Traditional' ornamental species were offered by 39.1% of surveyed vendors, non-traditional 'marginal' species by 5.6%, common native species by 6.5% and threatened native species by 2.4%.4. The findings of this study support the hypothesis that 'garden pond' vendors offer non-native species with a risk of biological invasion; moreover, threatened native animals were also on sale. It is probable that a similar situation exists in other countries. It is important for the conservation of native aquatic biota to raise awareness of the need to reduce risk through responsible behaviour of those involved in the pet trade. It is also essential to prohibit stocking of potential invaders and to enforce the illegal capture and sale of native species.

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“…To improve the risk assessment, we suggest that at least the following three queries are considered and answered: (i) Are there any symbionts? Nothing is known about the biota associated with Limnopilos crabs, but tiny symbionts such as rotifers and temnocephalidans are known to be transported via the pet trade associated with their decapod hosts [42]; (ii) Are Limnopilos crabs truly freshwater? Limnopilos crabs release free-moving larvae, and these larvae apparently develop in freshwaters, but this assumption must be confirmed; and (iii) Are Limnopilos crabs sensitive or resistant to crayfish plague?…”

Section: Discussionmentioning

confidence: 99%

Invasive Potential of Pet-Traded Pill-Box Crabs from Genus Limnopilos

et al. 2019

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The pet trade in aquatic animals is known to be one of the main sources of non-native species worldwide. Freshwater decapod crustaceans have increased in popularity as ornamentals in the last two decades. Freshwater crabs of the genus Limnopilos were discovered by hobby aquarists and introduced on the market in 2008. They are generally considered interesting additions to an aquarium, but information about their living requirements are scarce. Additionally, their invasive potential is not known. Here, we present a survey of the availability of Limnopilos crabs on the market in Europe and North America and analyzed the invasive potential of all species from the genus based on climate matching from a global perspective. The only species recorded in the pet trade is L. naiyanetri, but future introduction of other species is discussed. Certain tropical regions were identified as the most suitable for the potential establishment of Limnopilos crabs including the northern part of South America, and L. microrhynchus was evaluated as the highest risk species. In this pilot study, we also suggest some points to be answered regarding further improving the risk assessment and also recommend continuous monitoring of the market for ornamental decapods.

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Aquarium hitchhikers: attached commensals imported with freshwater shrimps via the pet trade

Cited by 61 publications

References 26 publications

Risk assessment of pet-traded decapod crustaceans in the Republic of Kazakhstan, the leading country in Central Asia

Risk assessment of pet-traded decapod crustaceans in the Republic of Kazakhstan, the leading country in Central Asia

Irresponsible vendors: Non‐native, invasive and threatened animals offered for garden pond stocking

Invasive Potential of Pet-Traded Pill-Box Crabs from Genus Limnopilos

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