Hyperspectral data as a biodiversity screening tool can differentiate among diverse Neotropical fishes

Abstract Hyperspectral data encode information from electromagnetic radiation (i.e., color) of any object in the form of a spectral signature; these data can then be used to distinguish among materials or even map whole landscapes. Although hyperspectral data have been mostly used to study landscape...

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Autores principales:	M. A. Kolmann, M. Kalacska, O. Lucanus, L. Sousa, D. Wainwright, J. P. Arroyo-Mora, M. C. Andrade
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/6ac15654cdfa4867b964580a31a7432c
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spelling	oai:doaj.org-article:6ac15654cdfa4867b964580a31a7432c2021-12-02T15:08:22ZHyperspectral data as a biodiversity screening tool can differentiate among diverse Neotropical fishes10.1038/s41598-021-95713-02045-2322https://doaj.org/article/6ac15654cdfa4867b964580a31a7432c2021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-95713-0https://doaj.org/toc/2045-2322Abstract Hyperspectral data encode information from electromagnetic radiation (i.e., color) of any object in the form of a spectral signature; these data can then be used to distinguish among materials or even map whole landscapes. Although hyperspectral data have been mostly used to study landscape ecology, floral diversity and many other applications in the natural sciences, we propose that spectral signatures can be used for rapid assessment of faunal biodiversity, akin to DNA barcoding and metabarcoding. We demonstrate that spectral signatures of individual, live fish specimens can accurately capture species and clade-level differences in fish coloration, specifically among piranhas and pacus (Family Serrasalmidae), fishes with a long history of taxonomic confusion. We analyzed 47 serrasalmid species and could distinguish spectra among different species and clades, with the method sensitive enough to document changes in fish coloration over ontogeny. Herbivorous pacu spectra were more like one another than they were to piranhas; however, our method also documented interspecific variation in pacus that corresponds to cryptic lineages. While spectra do not serve as an alternative to the collection of curated specimens, hyperspectral data of fishes in the field should help clarify which specimens might be unique or undescribed, complementing existing molecular and morphological techniques.M. A. KolmannM. KalacskaO. LucanusL. SousaD. WainwrightJ. P. Arroyo-MoraM. C. AndradeNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q M. A. Kolmann M. Kalacska O. Lucanus L. Sousa D. Wainwright J. P. Arroyo-Mora M. C. Andrade Hyperspectral data as a biodiversity screening tool can differentiate among diverse Neotropical fishes
description	Abstract Hyperspectral data encode information from electromagnetic radiation (i.e., color) of any object in the form of a spectral signature; these data can then be used to distinguish among materials or even map whole landscapes. Although hyperspectral data have been mostly used to study landscape ecology, floral diversity and many other applications in the natural sciences, we propose that spectral signatures can be used for rapid assessment of faunal biodiversity, akin to DNA barcoding and metabarcoding. We demonstrate that spectral signatures of individual, live fish specimens can accurately capture species and clade-level differences in fish coloration, specifically among piranhas and pacus (Family Serrasalmidae), fishes with a long history of taxonomic confusion. We analyzed 47 serrasalmid species and could distinguish spectra among different species and clades, with the method sensitive enough to document changes in fish coloration over ontogeny. Herbivorous pacu spectra were more like one another than they were to piranhas; however, our method also documented interspecific variation in pacus that corresponds to cryptic lineages. While spectra do not serve as an alternative to the collection of curated specimens, hyperspectral data of fishes in the field should help clarify which specimens might be unique or undescribed, complementing existing molecular and morphological techniques.
format	article
author	M. A. Kolmann M. Kalacska O. Lucanus L. Sousa D. Wainwright J. P. Arroyo-Mora M. C. Andrade
author_facet	M. A. Kolmann M. Kalacska O. Lucanus L. Sousa D. Wainwright J. P. Arroyo-Mora M. C. Andrade
author_sort	M. A. Kolmann
title	Hyperspectral data as a biodiversity screening tool can differentiate among diverse Neotropical fishes
title_short	Hyperspectral data as a biodiversity screening tool can differentiate among diverse Neotropical fishes
title_full	Hyperspectral data as a biodiversity screening tool can differentiate among diverse Neotropical fishes
title_fullStr	Hyperspectral data as a biodiversity screening tool can differentiate among diverse Neotropical fishes
title_full_unstemmed	Hyperspectral data as a biodiversity screening tool can differentiate among diverse Neotropical fishes
title_sort	hyperspectral data as a biodiversity screening tool can differentiate among diverse neotropical fishes
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/6ac15654cdfa4867b964580a31a7432c
work_keys_str_mv	AT makolmann hyperspectraldataasabiodiversityscreeningtoolcandifferentiateamongdiverseneotropicalfishes AT mkalacska hyperspectraldataasabiodiversityscreeningtoolcandifferentiateamongdiverseneotropicalfishes AT olucanus hyperspectraldataasabiodiversityscreeningtoolcandifferentiateamongdiverseneotropicalfishes AT lsousa hyperspectraldataasabiodiversityscreeningtoolcandifferentiateamongdiverseneotropicalfishes AT dwainwright hyperspectraldataasabiodiversityscreeningtoolcandifferentiateamongdiverseneotropicalfishes AT jparroyomora hyperspectraldataasabiodiversityscreeningtoolcandifferentiateamongdiverseneotropicalfishes AT mcandrade hyperspectraldataasabiodiversityscreeningtoolcandifferentiateamongdiverseneotropicalfishes
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Hyperspectral data as a biodiversity screening tool can differentiate among diverse Neotropical fishes

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