dor_id: 4128944

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590.#.#.d: Cada artículo es evaluado mediante una revisión ciega única. Los revisores son externos nacionales e internacionales.

510.0.#.a: Web of Science (WoS), Directory of Open Access Journals (DOAJ), Sistema Regional de Información en Línea para Revistas Científicas de América Latina, el Caribe, España y Portugal (Latindex), Scientific Electronic Library Online (SciELO), Consejo Nacional de Ciencia y Tecnología (CONACyT), La Red de Revistas Científicas de América Latina y el Caribe, España y Portugal (Redalyc)

561.#.#.u: http://www.ib.unam.mx/

650.#.4.x: Biología y Química

336.#.#.b: article

336.#.#.3: Artículo de Investigación

336.#.#.a: Artículo

351.#.#.6: http://www.revista.ib.unam.mx/index.php/bio/index

351.#.#.b: Revista Mexicana de Biodiversidad

351.#.#.a: Artículos

270.1.#.p: Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

590.#.#.c: Open Journal Systems (OJS)

270.#.#.d: MX

270.1.#.d: México

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883.#.#.u: http://www.revistas.unam.mx/front/

883.#.#.a: Revistas UNAM

590.#.#.a: Coordinación de Difusión Cultural, UNAM

883.#.#.1: https://www.publicaciones.unam.mx/

883.#.#.q: Dirección General de Publicaciones y Fomento Editorial, UNAM

850.#.#.a: Universidad Nacional Autónoma de México

856.4.0.u: http://www.revista.ib.unam.mx/index.php/bio/article/view/3718/2236

100.1.#.a: Arroyave, Jairo; De La Cruz Fernández, Dalia Angélica

524.#.#.a: Arroyave, Jairo, et al. (2021). Genetic and morphological evidence cast doubt on the validity of Mexican troglobitic species of the Neotropical catfish genus Rhamdia (Siluriformes: Heptapteridae). Revista Mexicana de Biodiversidad; Vol. 92, 2021. Recuperado de https://repositorio.unam.mx/contenidos/4128944

245.1.0.a: Genetic and morphological evidence cast doubt on the validity of Mexican troglobitic species of the Neotropical catfish genus Rhamdia (Siluriformes: Heptapteridae)

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Biología, UNAM

264.#.0.c: 2021

264.#.1.c: 2021-08-18

653.#.#.a: Rhamdia reddelli; rhamdia zongolicensis; rhamdia macuspanensis; rhamdia laluchensis; troglomorphism; cave fishes; dna barcoding; geometric morphometrics

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-ND 4.0 Internacional, https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.es, fecha de asignación de la licencia 2021-08-18, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico falvarez@ib.unam.mx

884.#.#.k: http://www.revista.ib.unam.mx/index.php/bio/article/view/3718

001.#.#.#: rmbio.oai:ojs.pkp.sfu.ca:article/3718

041.#.7.h: eng

520.3.#.a: Four of the 7 species of Rhamdia present in Mexico stand out for being microendemic and also troglobitic, that is, for being restricted to their type-locality caves and for exhibiting a distinctive phenotype characterized by ocular reduction/loss and body depigmentation. Diagnosis and recognition of Mexican troglobitic forms as distinct species, however, appears to be primarily based on their regressive troglomorphic phenotype and highly localized geographic distributions. To test the adequacy of its current taxonomy, we investigated patterns of genetic and phenotypic variation in Mexican troglobitic Rhamdia in a phylogenetic context. Our results indicate that external morphology does not allow for unambiguous differential diagnoses and robust distinction among troglobitic species. Similarly, beyond typicalregressive troglomorphic traits, troglobitic species do not differ greatly in external morphology from their most closely related congener, the epigean species Rhamdia laticauda. From a phylogenetic perspective, continued recognition of troglobitic species implies a deep and generalized paraphyly in R. laticauda. Despite the evidence presented herein, we refrain from making nomenclatural decisions until we can unambiguously ascertain that our findings are indeed explained by phylogeographic structure in R. laticauda, instead of by recent divergence and subsequent speciation of cave-dwelling lineages from this widespread epigean species.

773.1.#.t: Revista Mexicana de Biodiversidad; Vol. 92 (2021)

773.1.#.o: http://www.revista.ib.unam.mx/index.php/bio/index

022.#.#.a: ISSN electrónico: 2007-8706; ISSN impreso: 1870-3453

310.#.#.a: Trimestral

300.#.#.a: Páginas: e923718

264.#.1.b: Instituto de Biología, UNAM

758.#.#.1: http://www.revista.ib.unam.mx/index.php/bio/index

doi: https://doi.org/10.22201/ib.20078706e.2021.92.3718

handle: 25a3312d08752ea4

harvesting_date: 2022-08-17 16:00:00.0

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Artículo

Genetic and morphological evidence cast doubt on the validity of Mexican troglobitic species of the Neotropical catfish genus Rhamdia (Siluriformes: Heptapteridae)

Arroyave, Jairo; De La Cruz Fernández, Dalia Angélica

Instituto de Biología, UNAM, publicado en Revista Mexicana de Biodiversidad, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Cita

Arroyave, Jairo, et al. (2021). Genetic and morphological evidence cast doubt on the validity of Mexican troglobitic species of the Neotropical catfish genus Rhamdia (Siluriformes: Heptapteridae). Revista Mexicana de Biodiversidad; Vol. 92, 2021. Recuperado de https://repositorio.unam.mx/contenidos/4128944

Descripción del recurso

Autor(es)
Arroyave, Jairo; De La Cruz Fernández, Dalia Angélica
Tipo
Artículo de Investigación
Área del conocimiento
Biología y Química
Título
Genetic and morphological evidence cast doubt on the validity of Mexican troglobitic species of the Neotropical catfish genus Rhamdia (Siluriformes: Heptapteridae)
Fecha
2021-08-18
Resumen
Four of the 7 species of Rhamdia present in Mexico stand out for being microendemic and also troglobitic, that is, for being restricted to their type-locality caves and for exhibiting a distinctive phenotype characterized by ocular reduction/loss and body depigmentation. Diagnosis and recognition of Mexican troglobitic forms as distinct species, however, appears to be primarily based on their regressive troglomorphic phenotype and highly localized geographic distributions. To test the adequacy of its current taxonomy, we investigated patterns of genetic and phenotypic variation in Mexican troglobitic Rhamdia in a phylogenetic context. Our results indicate that external morphology does not allow for unambiguous differential diagnoses and robust distinction among troglobitic species. Similarly, beyond typicalregressive troglomorphic traits, troglobitic species do not differ greatly in external morphology from their most closely related congener, the epigean species Rhamdia laticauda. From a phylogenetic perspective, continued recognition of troglobitic species implies a deep and generalized paraphyly in R. laticauda. Despite the evidence presented herein, we refrain from making nomenclatural decisions until we can unambiguously ascertain that our findings are indeed explained by phylogeographic structure in R. laticauda, instead of by recent divergence and subsequent speciation of cave-dwelling lineages from this widespread epigean species.
Tema
Rhamdia reddelli; rhamdia zongolicensis; rhamdia macuspanensis; rhamdia laluchensis; troglomorphism; cave fishes; dna barcoding; geometric morphometrics
Idioma
eng
ISSN
ISSN electrónico: 2007-8706; ISSN impreso: 1870-3453

Enlaces