Cat-eLog Right Arrow Loricariidae Right Arrow Hypostominae Right Arrow Lasiancistrus

Down arrow Cat-eLog Data Sheet
Scientific Name Lasiancistrus schomburgkii  (Günther, 1864)
Common Name
Type Locality Guyana.
Pronunciation LASS ee an SISS truss
Etymology Greek, lasios, -a, -on = hairy + Greek, agkistron = hook 
Down arrow Species Information
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).
Down arrow Habitat Information
Distribution South America: Atlantic coastal drainage, unknown locality in Guyana.
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 Category Least Concern, range map and more is available on the IUCN species page. Last assessed 2007.
Down arrow Husbandry Information
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Catalogue of the fishes in the British Museum v. 5, pp 245.
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Last Update 2020 Oct 22 02:56 (species record created: 2011 Sep 21 10:12)