Korean crevice salamander: Difference between revisions
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{{Short description|Species of amphibian}} |
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{{For|the species ''Hynobius leechi''|Korean salamander}} |
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{{Taxobox |
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{{speciesbox |
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| name = Korean crevice salamander |
| name = Korean crevice salamander |
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| status = LC |
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| regnum = [[Animal]]ia |
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| status_ref = <ref name="iucn status 12 November 2021">{{cite iucn |author=IUCN SSC Amphibian Specialist Group |date=2019 |title=''Karsenia koreana'' |volume=2019 |page=e.T61903A110101886 |doi=10.2305/IUCN.UK.2019-1.RLTS.T61903A110101886.en |access-date=12 November 2021}}</ref> |
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| phylum = [[Chordata]] |
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| genus = Karsenia |
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| parent_authority = Min ''et al.'', 2005<ref name=Min>{{cite journal |last1=Min |first1=M.S. |author2=S. Y. Yang |author3=R. M. Bonett |author4=D. R. Vieites |author5=R. A. Brandon |author6=D. B. Wake |year=2005 |title=Discovery of the first Asian plethodontid salamander |journal=Nature |volume=435 |issue=7038 |pages=87–90 |doi=10.1038/nature03474 |url=http://ib.berkeley.edu/labs/wake/2005_Nature_Karsenia.pdf |pmid=15875021|s2cid=4380172 }}</ref> |
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| ordo = [[Caudata]] |
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| familia = [[Lungless salamander|Plethodontidae]] |
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| authority = Min ''et al.'', 2005<ref name="Min"/> |
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| genus = '''''Karsenia''''' |
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| binomial_authority = Min et al., 2005 |
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The '''Korean crevice salamander''' (''Karsenia koreana'') is a [[lungless salamander]]. It dwells under rocks in [[limestone]] forest areas of the [[Korean peninsula]]. It was discovered by Stephen J. Karsen, an American science teacher working in [[Daejeon]], [[South Korea]], in [[2005 in science#Biology|2005]]. |
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Although [[plethodontid]] salamanders comprise seventy percent of salamander species worldwide, ''Karsenia koreana'' is the first member of this taxon known from Asia. Like other plethodontids, it lacks lungs and breathes through its moist skin. |
The '''Korean crevice salamander''' ('''''Karsenia koreana''''') is a species of [[lungless salamander]]. It dwells under rocks in [[limestone]] forest areas of the [[Korean peninsula]].<ref name="iucn status 12 November 2021" /><ref name=Min/><ref name=Frost/> It was discovered by Stephen J. Karsen, an American science teacher working in [[Daejeon]], [[South Korea]], in 2003,<ref>{{cite web |url=http://www.sfgate.com/news/article/American-type-of-salamander-in-Korea-2348868.php |title=American type of salamander in Korea |author=Perlman, David |date=May 5, 2005 |work=San Francisco Chronicle |publisher= |access-date=1 November 2012}}</ref> and [[species description|described]] in [[2005 in science#Biology|2005]].<ref name=Min/> Although [[plethodontid]] salamanders comprise seventy percent of salamander species worldwide, ''Karsenia koreana'' is the first member of this taxon known from Asia. Like other plethodontids, it lacks lungs and breathes through its moist skin.<ref name=Min/> It is the only species in the genus '''''Karsenia'''''.<ref name="Frost genus"/> |
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==Systematics and biogeography== |
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[[Cladistic]] analysis using [[Bayesian |
[[Cladistic]] analysis using [[Bayesian analysis]] of molecular data places ''Karsenia koreana'' as [[sister group]] to the [[clade]] containing ''[[Aneides]]'' and the [[Desmognathini|desmognathine]] salamanders. This implies that plethodontid salamanders may have had a worldwide range 60 to 100 million years ago. As the global climate cooled, New World taxa thrived while Old World populations declined. Other plants and animals currently found in Asia and North America share close relationships, showing a similar pattern of [[biogeography]].<ref name=Min/> |
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==Description== |
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Males measure {{convert|38.5|–|47.7|mm|abbr=on}} and females {{convert|38.5|–|47.7|mm|abbr=on}} in snout–vent length. The habitus is moderately robust. The head is relatively broad. The eyes are small and moderately protuberant. There are 14–15 [[costal groove]]s. The tail is round basally but becomes in some individuals laterally compressed towards its tip. Complete tail (i.e., non-regenerated) is about as long as the snout–vent length. The species is darkly pigmented. There is a broad dorsal stripe of variable color (reddish to yellowish brown, tan, or dark brown) and distinctness (prominent and bright to obscure). The lateral surfaces are uniformly dark but have an obscure overlay of small, whitish speckles. The ventral surfaces are pale with moderately large, whitish flecks that are absent along the midline.<ref name=Min/> |
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* {{IUCN2006|assessors=Vieites ''et al''|year=2006|id=61903|title=Karsenia koreana|downloaded=[[12 May]] [[2006]]}} Database entry includes a range map and justification for why this species is of least concern |
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*Min, M.S., S. Y. Yang, R. M. Bonett, D. R. Vieites, R. A. Brandon & D. B. Wake. (2005). Discovery of the first Asian plethodontid salamander. ''Nature'' (435), 87–90 ([[5 May]] [[2005]]). |
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*Perlman, David, "American type of salamander in Korea", ''San Francisco Chronicle''. [[May 5]] [[2005]] |
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==Habitat and conservation== |
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The species occurs in damp talus slopes and rockslides of limestone in young forests dominated by ''[[Pinus densiflora]]'' and ''[[Quercus mongolica]]'', mostly under small stones.<ref name="iucn status 12 November 2021" /><ref name=Min/> Although the species is considered locally common, and reasonably widespread (as of 2006, it was known from more than 20 sites),<ref name="iucn status 12 November 2021" /> it has not been well studied in the field. Thus, its natural history, population dynamics, and reproductive behavior remain unknown. |
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==References== |
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[[fr:Karsenia]] |
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{{Reflist|30em|refs= |
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[[ko:이끼도롱뇽]] |
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<ref name=Frost>{{cite web |url=http://research.amnh.org/vz/herpetology/amphibia/Amphibia/Caudata/Plethodontidae/Plethodontinae/Karsenia/Karsenia-koreana |title=''Karsenia koreana'' Min, Yang, Bonett, Vieites, Brandon, and Wake, 2005 |author=Frost, Darrel R. |year=2017 |work=Amphibian Species of the World: an Online Reference. Version 6.0 |publisher=American Museum of Natural History |access-date=4 July 2017}}</ref> |
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[[nl:Karsenia koreana]] |
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[[pt:Karsenia koreana]] |
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<ref name="Frost genus">{{cite web |url=http://research.amnh.org/vz/herpetology/amphibia/Amphibia/Caudata/Plethodontidae/Plethodontinae/Karsenia |title=''Karsenia'' Min, Yang, Bonett, Vieites, Brandon, and Wake, 2005 |author=Frost, Darrel R. |year=2017 |work=Amphibian Species of the World: an Online Reference. Version 6.0 |publisher=American Museum of Natural History |access-date=4 July 2017}}</ref> |
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}} |
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{{Taxonbar|from=Q1325600}} |
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<!-- [[Category:Monotypic amphibian genera]] moved to genus redirect --> |
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[[Category:Endemic fauna of Korea]] |
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[[Category:Amphibians described in 2005]] |
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[[Category:Taxa named by David B. Wake]] |
Latest revision as of 09:08, 12 October 2022
Korean crevice salamander | |
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Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Amphibia |
Order: | Urodela |
Family: | Plethodontidae |
Subfamily: | Plethodontinae |
Genus: | Karsenia Min et al., 2005[2] |
Species: | K. koreana
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Binomial name | |
Karsenia koreana Min et al., 2005[2]
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The Korean crevice salamander (Karsenia koreana) is a species of lungless salamander. It dwells under rocks in limestone forest areas of the Korean peninsula.[1][2][3] It was discovered by Stephen J. Karsen, an American science teacher working in Daejeon, South Korea, in 2003,[4] and described in 2005.[2] Although plethodontid salamanders comprise seventy percent of salamander species worldwide, Karsenia koreana is the first member of this taxon known from Asia. Like other plethodontids, it lacks lungs and breathes through its moist skin.[2] It is the only species in the genus Karsenia.[5]
Systematics and biogeography
[edit]Cladistic analysis using Bayesian analysis of molecular data places Karsenia koreana as sister group to the clade containing Aneides and the desmognathine salamanders. This implies that plethodontid salamanders may have had a worldwide range 60 to 100 million years ago. As the global climate cooled, New World taxa thrived while Old World populations declined. Other plants and animals currently found in Asia and North America share close relationships, showing a similar pattern of biogeography.[2]
Description
[edit]Males measure 38.5–47.7 mm (1.52–1.88 in) and females 38.5–47.7 mm (1.52–1.88 in) in snout–vent length. The habitus is moderately robust. The head is relatively broad. The eyes are small and moderately protuberant. There are 14–15 costal grooves. The tail is round basally but becomes in some individuals laterally compressed towards its tip. Complete tail (i.e., non-regenerated) is about as long as the snout–vent length. The species is darkly pigmented. There is a broad dorsal stripe of variable color (reddish to yellowish brown, tan, or dark brown) and distinctness (prominent and bright to obscure). The lateral surfaces are uniformly dark but have an obscure overlay of small, whitish speckles. The ventral surfaces are pale with moderately large, whitish flecks that are absent along the midline.[2]
Habitat and conservation
[edit]The species occurs in damp talus slopes and rockslides of limestone in young forests dominated by Pinus densiflora and Quercus mongolica, mostly under small stones.[1][2] Although the species is considered locally common, and reasonably widespread (as of 2006, it was known from more than 20 sites),[1] it has not been well studied in the field. Thus, its natural history, population dynamics, and reproductive behavior remain unknown.
References
[edit]- ^ a b c d IUCN SSC Amphibian Specialist Group (2019). "Karsenia koreana". IUCN Red List of Threatened Species. 2019: e.T61903A110101886. doi:10.2305/IUCN.UK.2019-1.RLTS.T61903A110101886.en. Retrieved 12 November 2021.
- ^ a b c d e f g h Min, M.S.; S. Y. Yang; R. M. Bonett; D. R. Vieites; R. A. Brandon; D. B. Wake (2005). "Discovery of the first Asian plethodontid salamander" (PDF). Nature. 435 (7038): 87–90. doi:10.1038/nature03474. PMID 15875021. S2CID 4380172.
- ^ Frost, Darrel R. (2017). "Karsenia koreana Min, Yang, Bonett, Vieites, Brandon, and Wake, 2005". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 4 July 2017.
- ^ Perlman, David (May 5, 2005). "American type of salamander in Korea". San Francisco Chronicle. Retrieved 1 November 2012.
- ^ Frost, Darrel R. (2017). "Karsenia Min, Yang, Bonett, Vieites, Brandon, and Wake, 2005". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 4 July 2017.