| 词条 | Pseudoloricaria laeviuscula |
| 释义 |
| name = Pseudoloricaria laeviuscula | status = NE | status_system = IUCN3.1 | regnum = Animalia | phylum = Chordata | classis = Actinopterygii | ordo = Siluriformes | familia = Loricariidae | subfamilia = Loricariinae | tribus = Loricariini | genus = Pseudoloricaria | genus_authority = Bleeker, 1862 | species = P. laeviuscula | binomial = Pseudoloricaria laeviuscula | binomial_authority = (Valenciennes, 1840) | synonyms =Loricaria laeviuscula Valenciennes, 1840 }}Pseudoloricaria laeviuscula is the only species of the monotypic genus Pseudoloricaria, a genus of the family Loricariidae of catfish (order Siluriformes).[1] The phylogenetic position of Pseudoloricaria is uncertain.[1] This species is endemic to Brazil where it is found in the middle and lower Amazon basin, including the Negro and Branco Rivers.[1][4] P. laeviuscula is found over sandy bottoms, in clear waters, in the main flow of rivers, and in neighboring temporary ponds.[1] P. laeviuscula reaches a length of {{convert|30.5|cm|in}} SL.[2] Although reproductive habits are unknown, this species is probably a lip brooder.[1] Sexual dimorphism includes hypertrophied development of the lower lip suggesting that P. laeviuscula is a lip brooder.[1] 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.[1]References1. ^1 2 3 4 5 6 {{cite journal|url=http://www.mapress.com/zootaxa/2007f/zt01462p040.pdf|title=The genera of the Neotropical armored catfish subfamily Loricariinae (Siluriformes: Loricariidae): a practical key and synopsis|first=Raphael|last=Covain|author2=Fisch-Muller, Sonia |journal=Zootaxa|volume=1462|pages=1–40|year=2007|format=PDF}} {{Taxonbar|from=Q3763319}}{{Loricariidae-stub}}2. ^1 {{FishBase|genus=Pseudoloricaria|species=laeviuscula|year=2011|month=December}} 7 : Loricariini|Fish of South America|Fish of Brazil|Fauna of the Amazon|Endemic fauna of Brazil|Taxa named by Achille Valenciennes|Fish described in 1840 |
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