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RBMO 54(3): 329-335

https://doi.org/10.22370/rbmo.2019.54.3.2028

Los censos visuales en transectos de banda subestiman la abundancia del pez león Pterois spp. en arrecifes coralinos del Caribe

Miguel Mateo Sabido-Itzá1*, José Manuel Castro-Pérez1, Gabriela Nava-Martínez2, Alejandro Medina-Quej1 y Martha Beatriz Hernández-Millán1

1Tecnológico Nacional de México, I.T. Chetumal, Av. Insurgentes No. 330, C.P. 77013, Chetumal, Quintana Roo, México, Av. Insurgentes No. 330, C.P. 77013, Chetumal, Quintana Roo, México
2OCEANUS AC, Av. Machuxac, lote 07, Mza. 235, C.P. 77086, Chetumal, Quintana Roo, México

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Resumen

The visual census on belt transect (CVB) is one of the most used monitoring protocol on reefs, however this study confirms that its application fail in the detection and estimation of abundance of invasive lionfish. CVB vs Lionfish Search Census (CBP) was compared on Mexican Caribbean reefs. Differences in abundance of lionfish were found between CVB and CBP. Bias among both methods was significantly correlated to the cryptic behavior of inactivity and depth of the site. Finally, the use of different lionfish sampling methods and the application of CBP for monitoring reefs in the region are discussed.

Palabras clave

Visual census, lionfish, Mexican Caribbean, Mesoamerican Reef System
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