Dataset Information

A new Bolitoglossa (Amphibia, Caudata, Plethodontidae) from the Cordillera Oriental of Colombia.

ABSTRACT: A new salamander species of the genus Bolitoglossa is here described from the cloud forests of the western slopes of the Cordillera Oriental of Colombia, in the Cundinamarca department. The most salient characters of this new species are its numerous maxillary and vomerine teeth, its moderate webbing on hands and feet, its short and robust tail, and its chromatic variation. Based on molecular analyses this new species is assigned to the adspersa species group and its status established as the sister species of B.adspersa, with which it was previously confused. Lastly, the distribution, natural history, and conservation status of the new species are discussed.

SUBMITTER: Lopez-Perilla YR

PROVIDER: S-EPMC10193848 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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A new Bolitoglossa (Amphibia, Caudata, Plethodontidae) from the Cordillera Oriental of Colombia.

López-Perilla Yeny Rocio YR Fernández-Roldán Juan David JD Meza-Joya Fabio Leonardo FL Medina-Rangel Guido Fabian GF

ZooKeys 20230419

A new salamander species of the genus Bolitoglossa is here described from the cloud forests of the western slopes of the Cordillera Oriental of Colombia, in the Cundinamarca department. The most salient characters of this new species are its numerous maxillary and vomerine teeth, its moderate webbing on hands and feet, its short and robust tail, and its chromatic variation. Based on molecular analyses this new species is assigned to the adspersa species group and its status establi ...[more]

PMID: 37215692

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Project description:Simple Summary In this paper we studied the body and colour features of the endemic amphibian Salamandrina across its range. Using a multimodel approach and machine learning clustering, we found much difference relative to body size and shape, as well as colour, among populations and between the habitats in which the individuals dwell, while differences between the two species of Salamandrina genus are lower. We suppose that selective pressures are more similar across species’ ranges than within them. Taking into account also previous knowledge on this genus, here we point out that different traits of an organism could result from different evolutionary routes, something not unexpected but often neglected. Abstract Species delimitation is often based on a single or very few genetic or phenetic traits, something which leads to misinterpretations and often does not provide information about evolutionary processes. Here, we investigated the diversity pattern of multiple phenetic traits of the two extant species of Salamandrina, a genus split only after molecular traits had been studied but the two species of which are phenetically very similar. The phenetic traits we studied are size, external body shape and head colour pattern, in a model comparison framework using non-linear mixed models and unsupervised and supervised clustering. Overall, we found high levels of intra-specific variability for body size and shape, depending on population belonging and habitat, while differences between species were generally lower. The habitat the salamanders dwell in also seems important for colour pattern. Basing on our findings, from the methodological point of view, we suggest (i) to take into account the variability at population level when testing for higher level variability, and (ii) a semi-supervised learning approach to high dimensional data. We also showed that different phenotypic traits of the same organism could result from different evolutionary routes. Local adaptation is likely responsible for body size and shape variability, with selective pressures more similar across species than within them. Head colour pattern also depends on habitat, differently from ventral colour pattern (not studied in this paper) which likely evolved under genetic drift.

Dataset Information

A new Bolitoglossa (Amphibia, Caudata, Plethodontidae) from the Cordillera Oriental of Colombia.

Publications

A new <i>Bolitoglossa</i> (Amphibia, Caudata, Plethodontidae) from the Cordillera Oriental of Colombia.

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Dataset Information

A new Bolitoglossa (Amphibia, Caudata, Plethodontidae) from the Cordillera Oriental of Colombia.

Publications

﻿A new <i>Bolitoglossa</i> (Amphibia, Caudata, Plethodontidae) from the Cordillera Oriental of Colombia.

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure

Tweets

A new <i>Bolitoglossa</i> (Amphibia, Caudata, Plethodontidae) from the Cordillera Oriental of Colombia.