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Title: Introduction of non-native marine fish species to the Canary Islands waters through oil platforms as vectors
Authors: Pajuelo, Jose G. 
González Pérez, José Antonio 
Triay-Portella, Raül 
Martín García, Jose Antonio
Ruiz-Díaz, R.
Lorenzo, José M. 
Luque Escalona, Ángel
UNESCO Clasification: 240114-4 Taxonomía animal. Peces
251005 Zoología marina
Keywords: Canary Islands
Input vector
Non-indigenous species
Oil rigs
Issue Date: 2016
Journal: Journal of Marine Systems 
Abstract: This work documents the introduction of non-native fish species to the Canary Islands (central-eastern Atlantic) through oil rigs. Methodological approaches have included surveys by underwater visual censuses around and under oil platforms and along the docking area of rigs at the Port of Las Palmas. Eleven non-native fish species were registered. Paranthias furcifer, Abudefduf hoefleri, Acanthurus bahianus, Acanthurus chirurgus, and Acanthurus coeruleus are first recorded from the Canaries herein. Other three species could not be identified, although they have never been observed in the Canaries. Cephalopholis taeniops, Abudefduf saxatilis, and Acanthurus monroviae had been previously recorded. Native areas of these species coincide with the areas of origin and the scale of oil rigs with destination the Port of Las Palmas. The absence of native species in the censuses at rigs and their presence at rigs docking area, together with the observation of non-native species after the departure of platforms, reject the possibility that these non-native species were already present in the area introduced by another vector. C. taeniops, A. hoefleri, A. saxatilis, A. chirurgus, A. coeruleus and A. monroviae are clearly seafarer species. A. bahianus seems to be a potential seafarer species. P. furcifer is a castaway species. For the moment, the number of individuals of the non-native species in marine ecosystems of the Canaries seems to be low, and more investigation is needed for controlling these translocations.
ISSN: 0924-7963
DOI: 10.1016/j.jmarsys.2016.06.008
Source: Journal of Marine Systems[ISSN 0924-7963],v. 163, p. 23-30
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