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Pseudoloricaria laeviuscula
''Pseudoloricaria laeviuscula'' is the only species of the monotypic genus ''Pseudoloricaria'', a genus of the family Loricariidae of catfish (order Siluriformes). The phylogenetic position of ''Pseudoloricaria'' is uncertain.〔
This species is endemic to Brazil where it is found in the middle and lower Amazon basin, including the Negro and Branco Rivers.〔〔 ''P. laeviuscula'' is found over sandy bottoms, in clear waters, in the main flow of rivers, and in neighboring temporary ponds.〔
''P. laeviuscula'' reaches a length of SL. Although reproductive habits are unknown, this species is probably a lip brooder.〔 Sexual dimorphism includes hypertrophied development of the lower lip suggesting that ''P. laeviuscula'' is a lip brooder.〔 This species shows derived features such as a reduction in size and number of teeth, premaxillary teeth absent, a circular head shape, and eyes reduced in size without iris operculum.〔
==References==
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抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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