Putative extinction of two sawfish species in Mexico and the United States

Date

2009

Authors

Monte-Luna, P.
Castro-Aguirre, J.
Brook, B.
de la Cruz-Aguero, J.
Cruz-Escalone, V.

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Journal article

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Neotropical Ichthyology, 2009; 7(3):509-512

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Pablo del Monte-Luna, José Luis Castro-Aguirre, Barry W. Brook, José de la Cruz-Agüero and Víctor Hugo Cruz-Escalona

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Abstract

All species of sawfish are listed by the International Union for the Conservation of Nature (IUCN) as endangered or critically endangered. In fact, the smalltooth sawfish Pristis pectinata, and the largetooth sawfish Pristis pristis, have been declared to be regionally and locally extinct from the US Atlantic coast and the Gulf of California, Mexico, respectively, likely due to overfishing. However, here we dispute these claims by illustrating how lack of existence of a given species within a region can be misconstrued as evidence for extinction.

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Copyright © 2009 Sociedade Brasileira de Ictiologia

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