Metadata

Trichomycterus santanderensis

Castellanos-Morales 2007

Trichomycterus santanderensis
Trichomycterus santanderensis. Photograph by Cesar Castellanos-Morales. Click for full screen view.
ORDERSUB-ORDERFAMILY
SiluriformesLoricarioideiTrichomycteridae

Synonyms

None.

Country

Colombia

Types

Holotype: CAC-CDMB 035 100.7 mm SL, Paratype: CAC-CDMB 051 78.7 mm SL.

Distribution

Known only from the type locality: Cave El Puente, Portugal Street, municipality of Lebrija, upper Lebrija River basin, Santander, Colombia. (07°09’49’’ N, 073°17’21’’W).

Habitat

The Cave El Puente is located in the center of a mountain to the west of the Andean mountain range in Colombia. The cave is oriented vertically with narrow, rocky passageways and galleries where water infiltration was observed. The wells are small, shallow, blocked by ceilings of rock and interconnected by reduced descending channels that drain the limited water flow. Water temperature during the sampling was 21.5 °C and cave temperature was 19.9 °C. The bottom of the wells is rocky and contains much sediment (only four specimens of T. santanderensis were collected here). Bats and a diversity of arthropods inhabit the interior of the galleries. The cave is located in an area untouched by agrochemical products, where the practice of sustainable agroforestry has maintained the flora and fauna relatively well conserved, and where the Autonomous Regional Corporation for the Defense of the Bucaramanga Plateau is preparing a conservation program (Castellanos-Morales 2005).

Systematics

Trichomycterus stramineus is the most similar to T. santanderensis.

Conservation Status

TLO [LC:3.1:2016]

(Villa-Navarro, F. 2016. Trichomycterus santanderensis. The IUCN Red List of Threatened Species 2016: http://dx.doi.org/10.2305/IUCN.UK.2016-1.RLTS.T64792693A64890645.en. Downloaded on 10 July 2017. Although this species has a very restricted distribution, there appears to be no major threats currently affecting its population. Therefore, it is listed as Least Concern. Monitoring of its population is recommended.

Museum Holdings

As above plus: CAC-CDMB 050 73.4 mm SL, dissected; CAC-CDMB 052 55.5 mm SL, dissected.

Key References

Sket, B. Journal Article 1988 Speleobiological investigations in the Colombian Andes 1984
Castellanos-Morales, CA Journal Article 2007 Trichomycterus santanderensis: A new species of troglomorphic catfish (Siluriformes, Trichomycteridae) from Colombia
Castellanos-Morales, C.A., Marino-Zamudio, L.L., Guerrero, L. and Maldonado-Ocampo, J. Journal Article 2011 Peces del departamento de Santander, Colombia
Castellanos-Morales, C.A. and Galvis, F. Journal Article 2012 Las especies del genero Trichomycterus (Siluriformes: Trichomycteridae) en Colombia
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)
DoNascimiento C., Herrera-Collazos E.E., Herrera-R G.A., Ortega-Lara A., Villa-Navarro F.A., Usma-Oviedo J.S. and Maldonado-Ocampo J.A. Journal Article 2017 Checklist of the freshwater fishes of Colombia: a Darwin Core alternative to the updating problem