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A new species of Profundulus (Cyprinodontiformes: Profundulidae) from the Honduran central highlands

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Abstract:

A new species of Profundulus, Profundulus portillorum, from the Honduran central highlands is described. Profundulus portillorum belongs to the Profundulus labialis species group and is distinct from the Profundulus punctatus species group in that it lacks a humeral spot and less than half of the caudal fin is scaled. Within the P. labialis species group, P. portillorum has a more slender body, smaller eye, fewer anal rays, caudal rays and lateral-line scales than other species. Forty-one specimens were collected around emergent vegetation in the margins of two small (2–5 m in width, 20–40 cm in depth), high-elevation (1300 m) tributaries of the Río Calam within the Río Ulúa drainage. These specimens represent the easternmost collection of any Profundulus and the first collection of any member of the P. labialis species group from Honduras.

Keywords: Central America; Mesoamerica; Río Ulúa; fresh water; killifish

Document Type: Regular Paper

DOI: http://dx.doi.org/10.1111/j.1095-8649.2010.02596.x

Affiliations: Department of Biological Sciences, The University of Southern Mississippi, Hattiesburg, MS 39406, U.S.A.

Publication date: April 1, 2010

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