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A New Species Of Roeboides (Teleostei: Characidae) From Costa Rica And Panama, With A Key To The Middle American Species Of The Genus, Wilfredo A. Matamoros, Prosanta Chakrabarty, Arturo Angulo, Carlos A. Garita-Alvarado, Caleb D. Mcmahan
A New Species Of Roeboides (Teleostei: Characidae) From Costa Rica And Panama, With A Key To The Middle American Species Of The Genus, Wilfredo A. Matamoros, Prosanta Chakrabarty, Arturo Angulo, Carlos A. Garita-Alvarado, Caleb D. Mcmahan
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A new species of Roeboides is described from the Pacific slope of Costa Rica and Panama. Roeboides bussingi differs from all other Central American Roeboides and all members of the R. guatemalensis species group by the following combination of characters: presence of 18-22 scales above the lateral line (vs. 12-16 in R. dientito); 15-22 scales below the lateral line (vs. 10-14 in R. dientito, and 20-24 in R. loftini); an inconspicuous, sometimes absent, crescent-shaped humeral spot (vs. a large round, conspicuous humeral spot in R. carti, R. dayi, R. dientonito, R. ilseae, R. loftini, and R. occidentalis); a small wedge-shaped …