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	Provedor de dados Neotropical Ichthyology (3) Autor McMahan,Caleb D. (3) Matamoros,Wilfredo A. (2) Piller,Kyle R. (2) Angulo,Arturo (1) Camarena-Rosales,Faustino (1) Chakrabarty,Prosanta (1) Díaz-Murillo,Bertha P. (1) Elías,Diego J. (1) García-De-León,Francisco J. (1) Garita-Alvarado,Carlos A. (1) Ruiz-Campos,Gorgonio (1) Mais... Palavra-chave Freshwater (2) Central America (1) Characinae (1) Cichlid (1) Discriminant analysis (1) Distribution (1) Evolutionary entities (1) Landmarks (1) Mexico (1) Middle American distribution (1) Morphometry (1) Pacific Slope (1) River (1) Taxonomy (1) Mais... Tipo do documento Info:eu-repo/semantics/article (3) Ano 2019 (1) 2017 (1) 2013 (1) País Brazil (3) Idioma Inglês (3)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 3 Primeira ... 1 ... Última A new species of Roeboides (Teleostei: Characidae) from Costa Rica and Panama, with a key to the middle American species of the genus Neotropical Ichthyology Matamoros,Wilfredo A.; Chakrabarty,Prosanta; Angulo,Arturo; Garita-Alvarado,Carlos A.; McMahan,Caleb D.. 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 spot that does not reach the lateral line (vs. a large spot crossing the lateral line in R. guatemalensis); a teardrop shaped caudal... Tipo: Info:eu-repo/semantics/article Palavras-chave: Central America; Characinae; Distribution; Freshwater; Pacific Slope. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252013000200285 Assessing population-level morphometric variation of the Mountain Mullet Agonostomus monticola (Teleostei: Mugilidae) across its Middle American distribution Neotropical Ichthyology Díaz-Murillo,Bertha P.; Ruiz-Campos,Gorgonio; Piller,Kyle R.; McMahan,Caleb D.; García-De-León,Francisco J.; Camarena-Rosales,Faustino. ABSTRACT Population-level morphometric variation of the Mountain Mullet (Agonostomus monticola) was assessed in 419 adult specimens from 25 sample sites (river basins) across its Middle American distribution (Pacific and Atlantic-Caribbean drainages). This analysis was based on 36 standardized linear measurements and 19 landmarks on geometric morphometrics approach. Discriminant function analysis (DFA) revealed 19 linear morphological characters with significant variation among groups. Geometrically, the most notable changes were associated to the curvature of the frontal region of the head, the anterior and posterior insertion of the first dorsal and anal fins. The resulting grouping based on the DFA and geometric morphometrics techniques (Pacific-A,... Tipo: Info:eu-repo/semantics/article Palavras-chave: Discriminant analysis; Evolutionary entities; Landmarks; Middle American distribution; Morphometry. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252017000400210 Species or population? Systematic status of Vieja coatlicue (Teleostei: Cichlidae) Neotropical Ichthyology McMahan,Caleb D.; Matamoros,Wilfredo A.; Elías,Diego J.; Piller,Kyle R.. ABSTRACT Pacific and Atlantic-slope rivers of the Isthmus of Tehuantepec in Mexico contain two cichlid species of the genus Vieja relevant to the current study, V. zonata and V. coatlicue, respectively. The Atlantic-slope species was initially considered a population of uncertain taxonomic status and recently described as a distinct species based on three putatively diagnostic morphological characters. The objective of this study was to combine new and existing genetic data, along with reanalysis of morphological characters, to test the distinctiveness of V. coatlicue. Little genetic variability and no geographic structuring were recovered. Additionally, putatively diagnostic morphological character states were present across both species, failing to... Tipo: Info:eu-repo/semantics/article Palavras-chave: Cichlid; Freshwater; Mexico; River; Taxonomy. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252019000200204 Registros recuperados: 3 Primeira ... 1 ... Última

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