Arnoglossus macrolophus Alcock (Pleuronectiformes: Bothidae); a valid species distinct fromA. tapeinosomus (Bleeker) |
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Authors: | Masahito Arai Kunio Amaoka |
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Institution: | (1) Fisheries Administration Division, Department of Agriculture, Forestry and Fishery, Ibaraki Pref., 1-5-38 San-no-maru, 310 Mito, Japan;(2) Laboratory of Marine Zoology, Faculty of Fisheries, Hokkaido University, 3-1-1 Minato-cho, 041 Hakodate, Japan |
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Abstract: | The holotype of a bothid flounder,Arnoglossus tapeinosomus (Bleeker, 1866), was re-examined and found to bear none of the diagnostic characters ascribed by many authors to the species.
In addition, the shape of the prevomer was clearly different between the holotype and 18 specimens supposedly“A. tapeinosomus.” A. macrolophus Alcock, 1889, which was synonymized underA. tapeinosomus by Weber and de Beaufort (1929), is considered as a valid replacement name for“A. tapeinosomus,” because of the elongated anterior rays in the dorsal fin and a large, dark spot on the posterior dorsal and anal fin bases.A. tapeinosomus is redescribed from the holotype. |
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