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n2:365694

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Brosse <i>et al.</i> (2021)

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schema:datePublished

2021-01-01

dct:title

Brosse <i>et al.</i> (2021)

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n10:pdf

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_:vb70017015

dct:abstract

<jats:p>Rivers of French Guiana are still little invaded by non-native fish, but several fish introductions were recently recorded through the development of aquarium fish trade and fish farms. Here we report records of 11 non-native fish species. Among them, four (<jats:italic>Cichla monoculus</jats:italic>, <jats:italic>Heros efasciatus</jats:italic>, <jats:italic>Mesonauta guyanae</jats:italic> and <jats:italic>Poecilia reticulata</jats:italic>) are established and one of them (<jats:italic>Heros efasciatus</jats:italic>) is rapidly increasing its spatial range. Two species (<jats:italic>Hyphessobrycon eques</jats:italic> and <jats:italic>Pterophyllum scalare</jats:italic>) were not retrieved in recent records and are probably extinct from French Guiana. The establishment status of the five other species (<jats:italic>Arapaima gigas</jats:italic>, <jats:italic>Colossoma macropomum</jats:italic>, <jats:italic>Cyprinus carpio</jats:italic>, <jats:italic>Oreochromis mossambicus</jats:italic> and <jats:italic>Osteoglossum bicirrhosum</jats:italic>) is uncertain and only a few specimens were observed in the wild. Nevertheless, these species, intensively reared in nearby countries, belong to highly invasive species able to cause detrimental impacts on recipient ecosystems. Those first occurrences of invasive fish species in French Guiana should therefore act as an early warning for both researchers and environmental managers.</jats:p>

bibo:abstract

<jats:p>Rivers of French Guiana are still little invaded by non-native fish, but several fish introductions were recently recorded through the development of aquarium fish trade and fish farms. Here we report records of 11 non-native fish species. Among them, four (<jats:italic>Cichla monoculus</jats:italic>, <jats:italic>Heros efasciatus</jats:italic>, <jats:italic>Mesonauta guyanae</jats:italic> and <jats:italic>Poecilia reticulata</jats:italic>) are established and one of them (<jats:italic>Heros efasciatus</jats:italic>) is rapidly increasing its spatial range. Two species (<jats:italic>Hyphessobrycon eques</jats:italic> and <jats:italic>Pterophyllum scalare</jats:italic>) were not retrieved in recent records and are probably extinct from French Guiana. The establishment status of the five other species (<jats:italic>Arapaima gigas</jats:italic>, <jats:italic>Colossoma macropomum</jats:italic>, <jats:italic>Cyprinus carpio</jats:italic>, <jats:italic>Oreochromis mossambicus</jats:italic> and <jats:italic>Osteoglossum bicirrhosum</jats:italic>) is uncertain and only a few specimens were observed in the wild. Nevertheless, these species, intensively reared in nearby countries, belong to highly invasive species able to cause detrimental impacts on recipient ecosystems. Those first occurrences of invasive fish species in French Guiana should therefore act as an early warning for both researchers and environmental managers.</jats:p>

dct:issued

2021-01-01

dct:bibliographicCitation

Brosse, S., Baglan, A., Covain, R., Lalagüe, H., Le bail, P., Vigouroux, R. &amp; Quartarollo, G. 2021. Aquarium trade and fish farms as a source of non-native freshwater fish introductions in French Guiana <em>Annales de Limnologie - International Journal of Limnology</em>, 57(undefined): 4.

bibo:doi

10.1051/limn/2021002

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n10:pdf

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_:vb70017015

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n8:P356

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10.1051/limn/2021002