The complex evolutionary history and phylogeography of Caridina typus (Crustacea: Decapoda): long-distance dispersal and cryptic allopatric species
Abstract The evolutionary history of the old, diverse freshwater shrimp genus Caridina is still poorly understood, despite its vast distribution – from Africa to Polynesia. Here, we used nuclear and mitochondrial DNA to infer the phylogeographic and evolutionary history of C. typus, which is one of...
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| Format: | Article |
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Nature Portfolio
2017-08-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-017-08494-w |
| _version_ | 1818752465989795840 |
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| author | Samuel C. Bernardes Almir R. Pepato Thomas von Rintelen Kristina von Rintelen Timothy J. Page Hendrik Freitag Mark de Bruyn |
| author_facet | Samuel C. Bernardes Almir R. Pepato Thomas von Rintelen Kristina von Rintelen Timothy J. Page Hendrik Freitag Mark de Bruyn |
| author_sort | Samuel C. Bernardes |
| collection | DOAJ |
| description | Abstract The evolutionary history of the old, diverse freshwater shrimp genus Caridina is still poorly understood, despite its vast distribution – from Africa to Polynesia. Here, we used nuclear and mitochondrial DNA to infer the phylogeographic and evolutionary history of C. typus, which is one of only four species distributed across the entire range of the genus. Despite this species’ potential for high levels of gene flow, questions have been raised regarding its phylogeographic structure and taxonomic status. We identified three distinct lineages that likely diverged in the Miocene. Molecular dating and ancestral range reconstructions are congruent with C. typus’ early dispersal to Africa, possibly mediated by the Miocene Indian Ocean Equatorial Jet, followed by back dispersal to Australasia after the Jet’s closure. Furthermore, several different species delimitation methods indicate each lineage represents a distinct (cryptic) species, contradicting current morphospecies delimitation of a single C. typus taxon. The evolutionary history of C. typus lineages is complex, in which ancient oceanic current systems and (currently unrecognised) speciation events preceded secondary sympatry of these cryptic species. |
| first_indexed | 2024-12-18T04:51:54Z |
| format | Article |
| id | doaj.art-27fae55132114a0dadd24243ce8f932d |
| institution | Directory Open Access Journal |
| issn | 2045-2322 |
| language | English |
| last_indexed | 2024-12-18T04:51:54Z |
| publishDate | 2017-08-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj.art-27fae55132114a0dadd24243ce8f932d2022-12-21T21:20:23ZengNature PortfolioScientific Reports2045-23222017-08-017111310.1038/s41598-017-08494-wThe complex evolutionary history and phylogeography of Caridina typus (Crustacea: Decapoda): long-distance dispersal and cryptic allopatric speciesSamuel C. Bernardes0Almir R. Pepato1Thomas von Rintelen2Kristina von Rintelen3Timothy J. Page4Hendrik Freitag5Mark de Bruyn6Laboratório de Acarologia, Instituto de Ciências Biológicas, Universidade Federal de Minas GeraisLaboratório de Acarologia, Instituto de Ciências Biológicas, Universidade Federal de Minas GeraisMuseum für Naturkunde, Leibniz Institute for Evolution and Biodiversity ScienceMuseum für Naturkunde, Leibniz Institute for Evolution and Biodiversity ScienceAustralian Rivers Institute, Griffith UniversityDepartment of Biology, School of Science & Engineering, Ateneo de Manila UniversitySchool of Biological Sciences, Bangor UniversityAbstract The evolutionary history of the old, diverse freshwater shrimp genus Caridina is still poorly understood, despite its vast distribution – from Africa to Polynesia. Here, we used nuclear and mitochondrial DNA to infer the phylogeographic and evolutionary history of C. typus, which is one of only four species distributed across the entire range of the genus. Despite this species’ potential for high levels of gene flow, questions have been raised regarding its phylogeographic structure and taxonomic status. We identified three distinct lineages that likely diverged in the Miocene. Molecular dating and ancestral range reconstructions are congruent with C. typus’ early dispersal to Africa, possibly mediated by the Miocene Indian Ocean Equatorial Jet, followed by back dispersal to Australasia after the Jet’s closure. Furthermore, several different species delimitation methods indicate each lineage represents a distinct (cryptic) species, contradicting current morphospecies delimitation of a single C. typus taxon. The evolutionary history of C. typus lineages is complex, in which ancient oceanic current systems and (currently unrecognised) speciation events preceded secondary sympatry of these cryptic species.https://doi.org/10.1038/s41598-017-08494-w |
| spellingShingle | Samuel C. Bernardes Almir R. Pepato Thomas von Rintelen Kristina von Rintelen Timothy J. Page Hendrik Freitag Mark de Bruyn The complex evolutionary history and phylogeography of Caridina typus (Crustacea: Decapoda): long-distance dispersal and cryptic allopatric species Scientific Reports |
| title | The complex evolutionary history and phylogeography of Caridina typus (Crustacea: Decapoda): long-distance dispersal and cryptic allopatric species |
| title_full | The complex evolutionary history and phylogeography of Caridina typus (Crustacea: Decapoda): long-distance dispersal and cryptic allopatric species |
| title_fullStr | The complex evolutionary history and phylogeography of Caridina typus (Crustacea: Decapoda): long-distance dispersal and cryptic allopatric species |
| title_full_unstemmed | The complex evolutionary history and phylogeography of Caridina typus (Crustacea: Decapoda): long-distance dispersal and cryptic allopatric species |
| title_short | The complex evolutionary history and phylogeography of Caridina typus (Crustacea: Decapoda): long-distance dispersal and cryptic allopatric species |
| title_sort | complex evolutionary history and phylogeography of caridina typus crustacea decapoda long distance dispersal and cryptic allopatric species |
| url | https://doi.org/10.1038/s41598-017-08494-w |
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