Morfología de las especies de Hyphessobrycon (Characiformes: Characidae), grupo heterorhabdus, en Colombia

Morfología de las especies de Hyphessobrycon (Characiformes: Characidae), grupo heterorhabdus, en Colombia

Hyphessobrycon is the most numerous and morphologically complex genus of Characidae, and includes 18 species reported for Colombia, from which thirteen belong to the heterorhabdus-group different methods have been proposed for species identification within this genus. This study used these species t...

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Autores principales: A. García-Alzate, Carlos, I. Ruiz-C., Raquel, Román-Valencia, César, I. González, Melissa, X. Lopera, Diana
Formato: Online
Idioma:spa
Publicado: Universidad de Costa Rica 2011
Acceso en línea:https://revistas.ucr.ac.cr/index.php/rbt/article/view/3134
id RBT3134
record_format ojs
spelling RBT31342022-06-06T18:56:43Z Morfología de las especies de Hyphessobrycon (Characiformes: Characidae), grupo heterorhabdus, en Colombia. Morfología de las especies de Hyphessobrycon (Characiformes: Characidae), grupo heterorhabdus, en Colombia A. García-Alzate, Carlos I. Ruiz-C., Raquel Román-Valencia, César I. González, Melissa X. Lopera, Diana box truss landmarks tropical fish thin plate spline (TPS) cerchas hitos pez tropical Hyphessobrycon is the most numerous and morphologically complex genus of Characidae, and includes 18 species reported for Colombia, from which thirteen belong to the heterorhabdus-group different methods have been proposed for species identification within this genus. This study used these species to undertake a morphogeometricanalysis by the Box Truss and Thin Plate Splin (TPS) methods; 13 homologous landmarks type I and three type II were used. The result of cluster analysis indicated that these species are represented by two big groups: robust and thin. The uniform and non uniform components, and the principal warps (WP) and partial warps (Wparc), described the shape changes related to body depth, involving relative displacements of the appendicular skeleton and the cephalic region. All species were characterized by allometric growth with the exception of Hyphessobrycon mavro, who presented an isometry between the landmarks 6-7. Two new measures are proposed for species discrimination in the group (snout-supraoccipital spine distance and supraoccipital spine-pelvic fin). Hyphessobrycon is the most numerous and morphologically complex genus of Characidae, and includes 18 species reported for Colombia, from which thirteen belong to the heterorhabdus-group different methods have been proposed for species identification within this genus. This study used these species to undertake a morphogeometric analysis by the Box Truss and Thin Plate Splin (TPS) methods; 13 homologous landmarks type I and three type II were used. The result of cluster analysis indicated that these species are represented by two big groups: robust and thin. The uniform and non uniform components, and the principal warps (WP) and partial warps (Wparc), described the shape changes related to body depth, involving relative displacements of the appendicular skeleton and the cephalic region. All species were characterized by allometric growth with the exception of Hyphessobrycon mavro, who presented an isometry between the landmarks 6-7. Two new measures are proposed for species discrimination in the group (snout-supraoccipital spine distance and supraoccipital spine-pelvic fin). Universidad de Costa Rica 2011-06-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Article Text application/pdf https://revistas.ucr.ac.cr/index.php/rbt/article/view/3134 10.15517/rbt.v0i0.3134 Revista de Biología Tropical; Vol. 59 No. 2 (2011): Volume 59 – Regular number 2 – June 2011; 709–725 Revista de Biología Tropical; Vol. 59 Núm. 2 (2011): Volumen 59 – Número regular 2 – Junio 2011; 709–725 Revista Biología Tropical; Vol. 59 N.º 2 (2011): Volume 59 – Regular number 2 – June 2011; 709–725 2215-2075 0034-7744 10.15517/rbt.v0i0 spa https://revistas.ucr.ac.cr/index.php/rbt/article/view/3134/3041 Copyright (c) 2011 Revista de Biología Tropical http://creativecommons.org/licenses/by/4.0
institution Universidad de Costa Rica
collection Revista de Biología Tropical
language spa
format Online
author A. García-Alzate, Carlos
I. Ruiz-C., Raquel
Román-Valencia, César
I. González, Melissa
X. Lopera, Diana
spellingShingle A. García-Alzate, Carlos
I. Ruiz-C., Raquel
Román-Valencia, César
I. González, Melissa
X. Lopera, Diana
Morfología de las especies de Hyphessobrycon (Characiformes: Characidae), grupo heterorhabdus, en Colombia
author_facet A. García-Alzate, Carlos
I. Ruiz-C., Raquel
Román-Valencia, César
I. González, Melissa
X. Lopera, Diana
author_sort A. García-Alzate, Carlos
description Hyphessobrycon is the most numerous and morphologically complex genus of Characidae, and includes 18 species reported for Colombia, from which thirteen belong to the heterorhabdus-group different methods have been proposed for species identification within this genus. This study used these species to undertake a morphogeometric analysis by the Box Truss and Thin Plate Splin (TPS) methods; 13 homologous landmarks type I and three type II were used. The result of cluster analysis indicated that these species are represented by two big groups: robust and thin. The uniform and non uniform components, and the principal warps (WP) and partial warps (Wparc), described the shape changes related to body depth, involving relative displacements of the appendicular skeleton and the cephalic region. All species were characterized by allometric growth with the exception of Hyphessobrycon mavro, who presented an isometry between the landmarks 6-7. Two new measures are proposed for species discrimination in the group (snout-supraoccipital spine distance and supraoccipital spine-pelvic fin).
title Morfología de las especies de Hyphessobrycon (Characiformes: Characidae), grupo heterorhabdus, en Colombia
title_short Morfología de las especies de Hyphessobrycon (Characiformes: Characidae), grupo heterorhabdus, en Colombia
title_full Morfología de las especies de Hyphessobrycon (Characiformes: Characidae), grupo heterorhabdus, en Colombia
title_fullStr Morfología de las especies de Hyphessobrycon (Characiformes: Characidae), grupo heterorhabdus, en Colombia
title_full_unstemmed Morfología de las especies de Hyphessobrycon (Characiformes: Characidae), grupo heterorhabdus, en Colombia
title_sort morfología de las especies de hyphessobrycon (characiformes: characidae), grupo heterorhabdus, en colombia
title_alt Morfología de las especies de Hyphessobrycon (Characiformes: Characidae), grupo heterorhabdus, en Colombia.
publisher Universidad de Costa Rica
publishDate 2011
url https://revistas.ucr.ac.cr/index.php/rbt/article/view/3134
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