|Cat-eLog Data Sheet|
|Scientific Name||Lasiancistrus schomburgkii (Gunther, 1864)|
|Type Locality||Guyana (likely Takutu, River drainage).|
|Pronunciation||LASS ee an SISS truss|
|Etymology||Greek, lasios, -a, -on = hairy + Greek, agkistron = hook|
|Size||75mm or 3" SL. Find near, nearer or same sized spp.|
|Identification||Adult Lasiancistrus can be separated from all other loricariids by the presence of whisker-like odontodes on the cheeks. In addition, they have evertible cheek odontodes; three rows of plates on the caudal peduncle; and a modified, bar-shaped opercle. The caudal fin is slightly emarginate to forked, with the lower lobe longer than upper. Nuptial males have tentacules on the pectoral-fin spines longer than their associated odontodes; and transluscent tentacules on the snout that have odontodes associated with them. Nuptial males lack hypertrophied odontodes on top of the head and lack long, bristle-like odontodes on the leading edge of the pectoral-fin spine.|
|Sexing||Snout of nuptial males almost square (vs. rounded in females and juveniles). Adult males of most species (except Lasiancistrus tentaculatus) with whisker-like odontodes at anterolateral corner of snout; males of L. tentaculatus have tentacules instead of whisker-like odontodes along anterior margin of snout. Nuptial males have tentacules longer than their associated odontodes on the pectoral-fin spine.|
|General Remarks||The species was originally placed in Lasiancistrus by Isbrücker (1980), transferred to Guyanancistrus by Isbrücker et al. (2001), and later transferred to Pseudancistrus with the rest of Guyanancistrus (Armbruster, 2004).|
|Distribution||Lasiancistrus schomburgkii (as currently understood) is found throughout much of the Amazon basin and the upper Orinoco and Essequibo River basins
Amazon (click on these areas to find other species found there)
Orinoco, Upper Orinoco (click on these areas to find other species found there)
Guyana Waters, Coastal Rivers of Guyanas, Essequibo (click on these areas to find other species found there)
Amazon, Lower Amazon, Nhamundá (click on these areas to find other species found there)
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|IUCN Red List Status||Least Concern|
|Breeding Reports||There is no breeding report.|
|References||Neotrop. ichthyol. vol.3 no.4 Porto Alegre Oct./Dec. 2005|
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|Last Update||2014 Aug 11 14:48 (species record created: 2011 Sep 21 10:12)|