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Type: Article
Published: 2017-03-06
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Redescription of Ateleopus japonicus Bleeker 1853, a senior synonym of Ateleopus natalensis Regan 1921 (Teleostei: Ateleopodiformes: Ateleopodidae)

Osaka College of ECO and Animals, 1-32-1, Shinmachi, Nishi-ku, Osaka 550-0013, Japan.
Pisces Ateleopus japonicus A. natalensis syntypes taxonomy synonymy western Indian Ocean


Ateleopus natalensis Regan 1921, described from off the coast of Natal, South Africa, has been regarded as a valid species. Regan (1921) stated that the difference between the two species is the condition of the lower-jaw teeth: toothless in A. natalensis vs. teeth present in Ateleopus japonicus Bleeker 1853. However, the condition of lower-jaw teeth of Ateleopus has been proved an unreliable character because the lower-jaw teeth are very deciduous. Although Regan (1921) also implied that the differences between the two species include several body proportions, my examination of two syntypes and non-type specimens of A. natalensis from the western Indian Ocean revealed their close similarity to the range of many specimens of A. japonicus. Ateleopus japonicus is redescribed as a senior synonym of A. natalensis.



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