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A New Signal of Tropicalization in the Northeast Atlantic: The Spread of the Spotfin Burrfish Chilomycterus reticulatus in Madeira Archipelago and Its Invasion Risk

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MARE—Marine and Environmental Sciences Centre, Agência Regional para o Desenvolvimento da Investigação, Tecnologia e Inovação (ARDITI), 9020-105 Funchal, Portugal
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MARE—Marine and Environmental Sciences Centre, Faculdade de Ciências, Universidade de Lisboa, 1649-004 Lisbon, Portugal
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GEOMAR Helmholtz Centre for Ocean Research Kiel, 24105 Kiel, Germany
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CIBIO, Research Center in Biodiversity and Genetic Resources, InBIO Associate Laboratory and Faculty of Sciences and Technologies, University of the Azores, Rua Mãe de Deus 13A, 9501-801 Ponta Delgada, Portugal
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SRMar/DRM—Secretaria Regional de Mar e Pescas/Direção Regional do Mar, 9000-054 Funchal, Portugal
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MARE—Marine and Environmental Sciences Centre, ESTM, Polytechnic Institute of Leiria, 2520-641 Peniche, Portugal
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Wave Labs, University of Madeira, 9020-105 Funchal, Portugal
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Department of Astronomy, Faculty of Mathematics, University of Belgrade, 11000 Belgrade, Serbia
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Smithsonian Environmental Research Center, Edgewater, MD 21037, USA
*
Author to whom correspondence should be addressed.
These authors have contributed equally to this work and share the first authorship.
Academic Editor: Michael Wink
Diversity 2021, 13(12), 639; https://doi.org/10.3390/d13120639
Received: 9 November 2021 / Revised: 27 November 2021 / Accepted: 28 November 2021 / Published: 3 December 2021
Current trends in the global climate facilitate the displacement of numerous marine species from their native distribution ranges to higher latitudes when facing warming conditions. In this work, we analyzed occurrences of a circumtropical reef fish, the spotfin burrfish, Chilomycterus reticulatus (Linnaeus, 1958), in the Madeira Archipelago (NE Atlantic) between 1898 and 2021. In addition to available data sources, we performed an online survey to assess the distribution and presence of this species in the Madeira Archipelago, along with other relevant information, such as size class and year of the first sighting. In total, 28 valid participants responded to the online survey, georeferencing 119 C. reticulatus sightings and confirming its presence in all archipelago islands. The invasiveness of the species was screened using the Aquatic Species Invasiveness Screening Kit. Five assessments rated the fish as being of medium risk of establishing a local population and becoming invasive. Current temperature trends might have facilitated multiple sightings of this thermophilic species in the Madeira Archipelago. The present study indicates an increase in C. reticulatus sightings in the region. This underlines the need for updated comprehensive information on species diversity and distribution to support informed management and decisions. The spread of yet another thermophilic species in Madeiran waters provides further evidence of an ongoing tropicalization, emphasizing the need for monitoring programs and the potential of citizen science in complementing such programs. View Full-Text
Keywords: climate change; range expansion; Macaronesia; non-indigenous species; NIS; AS-ISK; citizen science climate change; range expansion; Macaronesia; non-indigenous species; NIS; AS-ISK; citizen science
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MDPI and ACS Style

Castro, N.; Schäfer, S.; Parretti, P.; Monteiro, J.G.; Gizzi, F.; Chebaane, S.; Almada, E.; Henriques, F.; Freitas, M.; Vasco-Rodrigues, N.; Silva, R.; Radeta, M.; Freitas, R.; Canning-Clode, J. A New Signal of Tropicalization in the Northeast Atlantic: The Spread of the Spotfin Burrfish Chilomycterus reticulatus in Madeira Archipelago and Its Invasion Risk. Diversity 2021, 13, 639. https://doi.org/10.3390/d13120639

AMA Style

Castro N, Schäfer S, Parretti P, Monteiro JG, Gizzi F, Chebaane S, Almada E, Henriques F, Freitas M, Vasco-Rodrigues N, Silva R, Radeta M, Freitas R, Canning-Clode J. A New Signal of Tropicalization in the Northeast Atlantic: The Spread of the Spotfin Burrfish Chilomycterus reticulatus in Madeira Archipelago and Its Invasion Risk. Diversity. 2021; 13(12):639. https://doi.org/10.3390/d13120639

Chicago/Turabian Style

Castro, Nuno, Susanne Schäfer, Paola Parretti, João G. Monteiro, Francesca Gizzi, Sahar Chebaane, Emanuel Almada, Filipe Henriques, Mafalda Freitas, Nuno Vasco-Rodrigues, Rodrigo Silva, Marko Radeta, Rúben Freitas, and João Canning-Clode. 2021. "A New Signal of Tropicalization in the Northeast Atlantic: The Spread of the Spotfin Burrfish Chilomycterus reticulatus in Madeira Archipelago and Its Invasion Risk" Diversity 13, no. 12: 639. https://doi.org/10.3390/d13120639

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