Species of the snake eel genus Yirrkala Whitley, 1940 from Taiwan, with descriptions of a new species and two new records (Anguilliformes, Ophichthidae).
{"title":"Species of the snake eel genus <i>Yirrkala</i> Whitley, 1940 from Taiwan, with descriptions of a new species and two new records (Anguilliformes, Ophichthidae).","authors":"Yusuke Hibino, Hsuan-Ching Ho","doi":"10.3897/zookeys.1220.130885","DOIUrl":null,"url":null,"abstract":"<p><p>The slender snake eel genus <i>Yirrkala</i> from Taiwan is reviewed, and a total of four species are recognized, including a new species described here. <i>Yirrkalankust</i> <b>sp. nov.</b> is described based on four specimens collected from western Taiwan. It can be distinguished from congeners by the dorsal-fin origin situated above the gill opening, the tip of lower jaw not reaching the base of the anterior-nostril tube, 1 + 3 supraorbital pores, 7-8 predorsal vertebrae, and 147-152 total vertebrae. Two rare species, <i>Yirrkalakaupii</i> Bleeker, 1858 and <i>Yirrkalaomanensis</i> Norman, 1939, are redescribed based on specimens newly collected from Taiwan. A key to all <i>Yirrkala</i> species found in Taiwan is provided.</p>","PeriodicalId":24051,"journal":{"name":"ZooKeys","volume":"1220 ","pages":"45-62"},"PeriodicalIF":1.3000,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11650150/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ZooKeys","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.3897/zookeys.1220.130885","RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/1/1 0:00:00","PubModel":"eCollection","JCR":"Q2","JCRName":"ZOOLOGY","Score":null,"Total":0}
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Abstract
The slender snake eel genus Yirrkala from Taiwan is reviewed, and a total of four species are recognized, including a new species described here. Yirrkalankustsp. nov. is described based on four specimens collected from western Taiwan. It can be distinguished from congeners by the dorsal-fin origin situated above the gill opening, the tip of lower jaw not reaching the base of the anterior-nostril tube, 1 + 3 supraorbital pores, 7-8 predorsal vertebrae, and 147-152 total vertebrae. Two rare species, Yirrkalakaupii Bleeker, 1858 and Yirrkalaomanensis Norman, 1939, are redescribed based on specimens newly collected from Taiwan. A key to all Yirrkala species found in Taiwan is provided.
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