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|a (DE-627)JST10407230X
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|a (JST)24637682
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|a DE-627
|b ger
|c DE-627
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|a eng
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|a McMahan, Caleb D.
|e verfasserin
|4 aut
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|a Taxonomic Status of the Lago Coatepeque Endemic Convict Cichlid Amatitlania coatepeque (Teleostei: Cichlidae)
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a Computermedien
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|a Online-Ressource
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|a As part of a revision of the cichlid genus Archocentrus, a new genus, Amatitiania, was erected comprising four species: A. nigrofasciata (the type species), A. siquia, A. kanna, and A. coatepeque. Amatitlania coatepeque is an endemic and an eponym of Lago Coatepeque in the interior highlands of western El Salvador. This species was diagnosed by a Y-shaped pattern formed by the ventral fusion of bars four and five on the body; a triple-spined, squarish, or blunt appearance of the dentigerous arm of the dentary; the presence of a posterior projection at the dorsal corner of the lower lip; the presence of a double medial-loop in the gut; sparsely uniform pigmentation of the peritoneum, and 5–5.5 scale rows from the lateral line to the origin of the dorsal fin. Here we examined the taxonomic status of A. coatepeque using molecular and morphological characters. We found that A. coatepeque is phylogenetically nested within the clade of A. nigrofasciata. Additionally, our re-examination of the reported diagnostic morphological characters failed (even in combination) to diagnose A. coatepeque. We instead found that some of those characters were highly variable within A. coatepeque and are sometimes present in members of A. nigrofasciata. Based on our results, we conclude that A. coatepeque is a junior synonym of A. nigrofasciata. Como parte de un revisión del genero de ciclidos Archocentrus, un nuevo género (Amatitlania) fue descrito e incluye cuatro especies: A. nigrofasciata (la especie tipo), A. siquia, A. kanna, y A. coatepeque. Amatitlania coatepeque es endémica y un epónimo del Lago Coatepeque que se localiza en las tierras altas en el interior del oeste de El Salvador. Esta especie fue diagnosticada por una banda en forma-Y formada por la fusión ventral de las barras 4 y 5 en el lado del cuerpo; un dentario romo, triplemente-espinado y más o menos cuadrado; la presencia de una proyección posterior en la esquina dorsal del labio inferior; la presencia de un circulo-medial doble en el intestino, pigmentación uniformemente dispersada pero escasa en el peritoneo y 5–5.5 líneas de escamas desde la línea lateral al origen de la aleta dorsal. En este estudio con el uso de caracteres moleculares y morfológicos examinamos el estatus taxonómico de A. coatepeque. Encontramos que A. coatepeque filogenéticamente se encuentra anidada dentro de clados de A. nigrofasciata. Adicionalmente, la re-examinación de los caracteres morfológicos utilizados para diagnosticar la especies fallaron (aun en combinación) en diagnosticar A. coatepeque. Al contrario, nosotros encontramos que algunos de estos caracteres fueron altamente variables dentro de A. coatepeque y algunas veces están presentes en miembros de A. nigrofasciata. Basados en nuestros resultados nosotros concluimos que A. coatepeque es un sinónimo juvenil de A. nigrofasciata.
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|a © Copyright 2014 American Society of Ichthyologists and Herpetologists
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4 |
|a Biological sciences
|x Biology
|x Biological taxonomies
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| 650 |
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4 |
|a Biological sciences
|x Biology
|x Anatomy
|x Body tissues
|x Tissue membranes
|x Serosa
|x Peritoneum
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| 650 |
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4 |
|a Biological sciences
|x Biology
|x Biological taxonomies
|x Species
|x Endemic species
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| 650 |
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4 |
|a Biological sciences
|x Biology
|x Evolutionary studies
|x Evolutionary biology
|x Evolutionary genetics
|x Phylogenetics
|x Maximum parsimony
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| 650 |
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4 |
|a Biological sciences
|x Biochemistry
|x Biochemical phenomena
|x Biochemical mechanisms
|x Pigmentation
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| 650 |
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4 |
|a Biological sciences
|x Biology
|x Zoology
|x Animal anatomy
|x Animal morphology
|x Animal scales
|x Fish scales
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| 650 |
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4 |
|a Biological sciences
|x Biology
|x Zoology
|x Animals
|x Fish
|x Freshwater fishes
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| 650 |
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4 |
|a Biological sciences
|x Biology
|x Zoology
|x Ichthyology
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| 650 |
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4 |
|a Physical sciences
|x Earth sciences
|x Geography
|x Geomorphology
|x Topography
|x Highlands
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| 650 |
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4 |
|a Biological sciences
|x Biology
|x Botany
|x Plant ecology
|x Vegetation
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| 655 |
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4 |
|a research-article
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1 |
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|a Matamoros, Wilfredo A.
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Barraza, Enrique
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kutz, Justin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chakrabarty, Prosanta
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Copeia
|d American Society of Ichthyologists and Herpetologists, 1913
|g 2014(2014), 4, Seite 633-638
|w (DE-627)495918504
|w (DE-600)2198974-6
|x 19385110
|7 nnns
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| 773 |
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|g volume:2014
|g year:2014
|g number:4
|g pages:633-638
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|u https://www.jstor.org/stable/24637682
|3 Volltext
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|d 2014
|j 2014
|e 4
|h 633-638
|