Trichomycterus chaberti

Durand 1968

Trichomycterus chaberti
Redrawn by Rhian Kendall from Durand (1968)






Holotype: MNHN 1968-217 70.5mm TL. Paratypes: MHNG 1513.19-22 (ex-LSM) 29 specimens 39.0mm ‑ 129.5mm TL.


Known only from the type locality: Grotte de Umayalanta, 8 km NW of the village of Torotoro, Department of Potosi, Province of Charcas, Bolivia (c.19oS, 66oW).

This cave is in the biogeographic unit Amazon and drainage basin Mamoré of Schaefer (2011:268-273).


The Grotte de Umayalanta is a vadose cave situated at a height of 2850m. In the November to March wet season the stream in the cave can rise to 20 m3s-1 and much detritus and animals are carried into the cave.


No details are provided by Durand (1968).

Conservation Status

TLO [LC:3.1:2016]

(Carvajal, F., Maldonado, M., Sarmiento, J. & Van Damme, P. 2016. Trichomycterus chaberti. The IUCN Red List of Threatened Species 2016: Downloaded on 10 July 2017). DD (IUCN, 1996, 2000). After a visit to the type locality in 1986 Guyot and Clavel (1987) reported that: “Dans tous les cours d’eau souterrains, nous avons pu observer de tres nombreux poissons depigementes, deja signales en 1966 par J. Chabert.”

Museum Holdings

As above only.

Key References

Durand, J.P. Journal Article 1968 Etude des poissons recoltes dans la Grotte de Umayalanta (Bolivie), Trichomycterus chaberti sp. n
Guyot, J. L. and Clavel, C. Journal Article 1987 Bolivie
Marcantono, O., Apoteker, A. and Guyot, J. L. Journal Article 1989 Las ultimas exploraciones espeleologicas en Bolivia. El potencial turistico de la region de Toro Toro
Miranda, G. and Pouilly, M. Book Section 2001 Biological and ecological adaptations in fishes of genus Trichomycterus to the cave environment in National park Torotoro (Potosi, Bolivia)
Pouilly, M. and Miranda, G. Journal Article 2003 Morphology and reproduction of the cavefish Trichomycterus chaberti and the related epigean Trichomycterus cf. barbouri
Miranda, G., Renno, J.F., Pouilly, M., Gazel, C. and Berrebi, P. Journal Article 2004 Genetic structure of cavernicolous and non-cavernicolous Trichomycterus spp. (Pisces, Siluriformes), in Torotoro, Upper Amazon, Bolivia
Renno, J.F., Gazel, C., Miranda, G., Pouilly, M. and Berrebi, P. Journal Article 2007 Delimiting species by reproductive isolation: the genetic structure of epigean and hypogean Trichomycterus spp. (Teleostei, Siluriformes) in the restricted area of Torotoro (Upper Amazon, Bolivia)
Richard, E. and M. Florents M. Journal Article 2007 Nuevos datos y descubrimientos sobre la historia natural del bagre de Umajalanta (Trichomycterus chaberti?) de la III Misión Científica de la Fundación emegece a Torotoro (Potosí, Bolivia)
Schaefer, S Book Section 2011 The Andes. Riding the tectonic uplift
Sarmiento, J., Bigorne, R., Carvajal-Vallejos, F.M., Maldonado, M., Leciak, E. and Oberdorff, T. Book 2014 Peces de Bolivia Bolivian fishes
Colihueque, N., Corrales, O, and Yáñez, M. Journal Article 2017 Morphological analysis of Trichomycterus areolatus Valenciennes, 1846 from southern Chilean rivers using a truss-based system (Siluriformes, Trichomycteridae)
Richard, E. Journal Article 2017 Sobre el estado actual los bagres (Trichomycterus chaberti, Actinopterygii, Siluriformes) en tres cuerpos de agua de la caverna de Umajalanta (Geoparque Andino Torotoro, Potosi, Bolivia) y potenciales amenazas
Flórez, J.S., Cadena, C.D., DoNascimiento, C. and Torres, M. Journal Article 2020 Repeated colonization of caves leads to phenotypic convergence in catfishes (Siluriformes: Trichomycterus) at a small geographical scale
Flórez, J.S., Cadena, C.D., Donascimiento, C. and Torres, M. Journal Article 2021 Repeated colonization of caves leads to phenotypic convergence in catfishes (Siluriformes: Trichomycterus) at a small geographical scale