''Guyanancistrus brownsbergensis'' is a
species of
catfish in the family
Loricariidae. It is native to
South America, where it occurs in the upper Kumbu Creek, which is part of the
Saramacca River basin, in
Brownsberg Nature Park in the
Brownsberg Mountains
Brownsberg is a 515 metres high mountain in the Brokopondo District of Suriname. It is the namesake of the Brownsberg Nature Park. The mountain has been named after John Brown, a 19th-century gold miner.
Overview
Brownsberg is almost flat on ...
in
Suriname
Suriname (; srn, Sranankondre or ), officially the Republic of Suriname ( nl, Republiek Suriname , srn, Ripolik fu Sranan), is a country on the northeastern Atlantic coast of South America. It is bordered by the Atlantic Ocean to the north ...
. The
type locality of the species is a small mountain stream with a width of 2.5 to 3.7 m (8.2 to 12.1 ft), a depth of 28 to 50 cm (11 to 19.7 inches), a
temperature of 23.1 to 23.2 °C (73.6 to 73.8 °F), an
oxygen concentration of 7.08 to 7.72 g/mL, an
oxygen saturation of 93% to 96%, a
pH of 7 to 7.5, a
conductivity of 30.8 to 31.6
μS
A microsecond is a unit of time in the International System of Units (SI) equal to one millionth (0.000001 or 10−6 or ) of a second. Its symbol is μs, sometimes simplified to us when Unicode is not available.
A microsecond is equal to 1000 ...
/cm, and a current strength of 0.29 to 0.56 m/s. The stream has clear water and a substrate composed of sand, gravel, pebbles, bedrock, and boulders, and overhanging vegetation, leaf litter, and woody debris are present. The species reaches 6.4 cm (2.5 inches) in
standard length
Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology.
Overall length
* Standard length (SL) is the length of a fish m ...
. It is known that the habitat of the species is threatened by
illegal gold mining.
References
Hypostominae
Fish described in 2018
Catfish of South America
{{Hypostominae-stub