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

Jump to next section Cat-eLog Data Sheet
Scientific Name Lasiancistrus guacharote  (Valenciennes, 1840)
Common Name
Type Locality Puerto Rico [in error]; actual probably Lake Maracaibo basin, Venezuela.
Synonym(s) Ancistrus mystacinus, Hypostomus guacharote, Lasiancistrus maracaiboensis, Lasiancistrus mystacinus
Pronunciation LASS ee an SISS truss
Etymology Greek, lasios, -a, -on = hairy + Greek, agkistron = hook 
Jump to next section Species Information
Size 120mm or 4.7" 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.
Jump to next section Habitat Information
Distribution Lake Maracaibo basin, Venezuela and Colombia.
Lake Maracaibo (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
Jump to next section Husbandry Information
Breeding Unreported.
Breeding Reports There is no breeding report.
Jump to next section Further Information
Reference Histoire naturelle des poissons v. 15, pp 508.
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Last Update 2019 Oct 09 05:08 (species record created: 2008 May 09 07:08)