Description:
A small heptapterid catfish (largest specimen 100.8
mm SL), with elongated body, triangular in cross-section
at dorsal-fin origin, progressively more laterally
compressed to tail region. Dorsal profile slightly
convex from snout tip to dorsal-fin origin, slightly
concave just posterior to dorsal-fin base to adiposefin
origin, straight and descending along adipose-fin
base, then ascending along caudal peduncle. Ventral
profile of head straight, slightly convex along abdomen,
then straight to analfin origin and slightly descending
along caudal peduncle. Aquarium Care:
Peaceful towards conspecifics but territorial with
its own kind. Provide a moderate sized aquarium with
hiding places such as bogwood, rockwork and plants.
A good water flow is recommended with good aeration
and filtration. Diet: Live, frozen
and flake foods..
Common
Name:
None
Synonyms:
None
Family:
Heptapteridae
Distribution:
South America:
Colombia. Distributed along the upper basin of río
Cauca and río Magdalena, and in the lower río
Patía basin on the Pacific slope of western
cordillera of Colombia. Imparfinis usmai
is sympatric with I. nemacheir in the Río
Magdalena.
Size:
10.0cm. (4ins)
Temp:
20-24°C (67-75°F)
p.H.
6.0-7.0.
Reference:
Froese, R. and D. Pauly.
Editors. 2009. FishBase. World Wide Web electronic
publication. www.fishbase.org, version (09/2017).
Ortega-Lara, A., N. Milani, C. DoNascimiento,
F. Villa-Navarro and J.M. Maldonado-Ocampo,
2011. Two new trans-Andean species of Imparfinis Eigenmann
& Norris, 1900 (Siluriformes: Heptapteridae) from
Colombia. Neotrop. Ichthyol. 9(4):777-793.
If you would like to contribute to the monthly
factsheets with an article, information or photos, please e-mail
me. You will of course be credited for your work.
If you would like to donate any denomination
of monies to the site just click the above link button. All proceeds
will go to running the site and hopefully to keep it going for a few
years yet.