Lasiancistrus

Lasiancistrus is a genus of suckermouth armored catfishes. They are native to South America and Panama.

==Taxonomy== Lasiancistrus was first described as a subgenus of Ancistrus in 1904, including A. heteracanthus, A. pictus, A. mystacinus, and A. guacharote. Later, it was raised to genus level, and several unrelated species were included. Many of these species have since been moved to other genera, such as Pseudolithoxus. Most Lasiancistrus species had been described from few specimens; the genus was revised in 2005, synonymizing many of the existing species into four species, L. caucanus, L. guacharote, L. heteracanthus, and L. schomburgkii. L. maracaiboensis and L. mystacinus are synonyms of L. guacharote. L. castelnaui, L. caquetae, L. guapore, L. multispinis, L. pictus, and L. scolymus are synonyms of L. schomburgkii. L. planiceps, L. mayoloi, and L. volcanensis were synonyms of L. caucanus. In addition, two new species, L. saetiger and L. tentaculatus, were described. Later, in 2023, a new species L. wiwa was described, L. mayoloi, and L. volcanensis were resurrected and L. planiceps was synonymized with L. mayoloi.