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First record of Odontaster penicillatus populations (Philippi, 1870) (Echinodermata: Asteroidea) in the Atacama and Antofagasta regions, Chile (Southeast Pacific)

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Abstract

We report for the first time the presence of local populations of the starfish Odontaster penicillatus in the regions of Atacama and Antofagasta, Chile. This finding indicates an extension of the distribution limit of 500 km with respect to the last observation made in 2007 in Isla Grande de Atacama. A total of 121 specimens of O. penicillatus were recorded at depths of between 8 m and 24 m. They were associated with rocky substrate and with different species of barnacles, sponges and bryozoans. The presence of O. penicillatus expands the knowledge of the benthic biodiversity of the region, and the development of studies on its ecological importance will be promoted.

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Acknowledgements

Thanks to Carlos Alvarez and Cristian Godoy for their kindness in sharing photographs and videos of Odontaster penicillatus specimens.

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Authors and Affiliations

  1. Departamento de Ciencias Acuáticas y Ambientales, Universidad de Antofagasta Chile, Antofagasta, 1240000, Chile

    Leonardo Campos

  2. Centro de Investigaciones Costeras Universidad de Atacama (CIC-UDA), Avenida Copayapu 485, Copiapó, 1530000, Chile

    Leonardo Campos

  3. Laboratorio de Modelamiento de Sistemas Ecológicos Complejos (LAMSEC), Instituto Antofagasta, Universidad de Antofagasta, Antofagasta, 1240000, Chile

    Brenda B. Hermosillo-Núñez & Marco Ortiz

  4. Instituto de Ciencias Naturales AvH, Facultad de Ciencias del Mar y Recursos Biológicos, Universidad de Antofagasta, Antofagasta, 1240000, Chile

    Marco Ortiz

  5. Centro de Investigación y Estudios Avanzados del Maule, Vicerrectoría de Investigación y Posgrado, Universidad Católica Del Maule, Campus San Miguel, Talca, 3480094, Chile

    Fernando Berrios

Authors
  1. Leonardo Campos
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  2. Fernando Berrios
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  3. Brenda B. Hermosillo-Núñez
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  4. Marco Ortiz
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Correspondence to Leonardo Campos.

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Campos, L., Berrios, F., Hermosillo-Núñez, B.B. et al. First record of Odontaster penicillatus populations (Philippi, 1870) (Echinodermata: Asteroidea) in the Atacama and Antofagasta regions, Chile (Southeast Pacific). Acta Oceanol. Sin. 41, 152–155 (2022). https://doi.org/10.1007/s13131-021-1957-1

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  • DOI: https://doi.org/10.1007/s13131-021-1957-1

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