This species is readily differentiated from other
Chiloglanis by the presence of a smooth dorsal
spine, short, widely spaced short mandibular teeth
with long maxillary and mandibular barbels (Skelton,
2001). Habitat: This species is restricted
to the mainstems and tributaries of the middle and
lower reaches of the Limpopo and Olifants River systems.
The habitat preference of this species appears to
be fast flowing habitats where both sandy substrates
and cobbles are common, this was also observed by
Gaigher (1973). Colouration:
Olive brown patterned dorsally while the underside
is cream coloured to whitish. There are occasional
light brown spots and dots on the darker base colouration.
The caudal fin exhibits a dark brown spot while there
is no distinct colour pattern on this fin.
Aquarium Care: Good oxygenated water from
a power filter. Sand or gravel substrate with smooth
rocks or pebbles. Their dorsal and pectoral fins are
sharp and can cause wounds if not handled carefully.
Diet: Feeds on aquatic insects such
as mayfly nymphs and caddis fly and blackfly larvae.
In the aquarium, algae, fly larvae foods, bloodworm,
flake food. Remarks:
Widespread and common in suitable habitats within
much of its southern range in Mpumalanga and KwaZulu-Natal,
South Africa and Swaziland. Although populations in
northern parts of its range in the Limpopo River appear
to have declined; it does not qualify for any of the
threat categories. First assessed in 2007 as Least
Concern, this species status was re-evaluated during
the Southern African Freshwater Fish assessment in
2016 and new information has not resulted in a change
in status. Close monitoring is still recommended.
(IUCN Red List).
Lowveld and warmer portions of Phongolo, Incomati
and Limpopo river basins, southern Africa.
Type locality: Crocodile River, Pretoria
Ferraris, C.J. Jr.,
2007. Checklist of catfishes, recent and fossil (Osteichthyes:
Siluriformes), and catalogue of siluriform primary
types. Zootaxa 1418:1-628. Froese, R. and D. Pauly. Editors.
2022. FishBase. World Wide Web electronic publication.
www.fishbase.org, ( 07/2022 ). Gosse, J.-P., 1986. Mochokidae. p.
105-152. In J. Daget, J.-P. Gosse and D.F.E. Thys
van den Audenaerde (eds.) Check-list of the freshwater
fishes of Africa (CLOFFA). ISNB, Brussels, MRAC, Tervuren;
and ORSTOM, Paris. Vol. 2. Roux, F. & Hoffman, A. . 2017.
Chiloglanis swierstrai. The IUCN Red List of Threatened