A New Southern Caribbean Species of Angel Shark (Chondrichthyes, Squaliformes, Squatinidae), Including Phylogeny and Tempo of Diversification of American Species

Arturo Acero P.; José J. Tavera; Rafael Anguila; Luis Hernández

doi:10.1643/CI-15-292

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Arturo Acero P., José J. Tavera,^* Rafael Anguila,^** Luis Hernández^***

^*Departamento de Biología, Universidad del Valle, Cali, Colombia; Email: jose.tavera@correounivalle.edu.co.
^**Biólogos por Colombia, Barranquilla, Colombia; Email: rafalanzer@gmail.com.
^***Instituto de Estudios en Ciencias del Mar, CECIMAR, Universidad Nacional de Colombia sede Caribe, El Rodadero, Santa Marta, Colombia; Email: (AAP) aacerop@unal.edu.co; and (LH) bio1486@hotmail.com. Send reprints request to AAP.

Abstract

A new species of Squatina, S. david, is described from the Colombian Caribbean. The new species differs from all the western North Atlantic angel sharks by lacking a mid-dorsal line of thorns or enlarged dermal denticles, by having an eye-spiracle distance larger than 1.5 times eye diameter, and each nasal flap with two rod-like barbels. Coloration is grayish to brownish yellow, males are dark-spotted, females have abundant whitish spots. Squatina david is nested within the American clade of angel sharks, being the sister species to the Brazilian species.

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Arturo Acero P., José J. Tavera, Rafael Anguila, and Luis Hernández "A New Southern Caribbean Species of Angel Shark (Chondrichthyes, Squaliformes, Squatinidae), Including Phylogeny and Tempo of Diversification of American Species," Copeia 104(2), 577-585, (5 July 2016). https://doi.org/10.1643/CI-15-292

Received: 26 May 2015; Accepted: 1 November 2015; Published: 5 July 2016

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