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Smallmouth bass
Common name:
Smallmouth bassScientific name:
Micropterus dolomieu:
The smallmouth bass is a small predatory fish, reaching up to 60mm in length and 2kg in mass. It is an olive to coppery-yellow colour above, with darker olive vertical stripes and a dusky white underneath. Breeding usually occurs in early summer in shallow waters. Smallmouth bass has caused a decline in indigenous species through environmental degradation and predation.
Additional Info
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Where does this species come from?
North AmericaWhat is its invasive status in South Africa?
NEMBA – Category 1b in National Parks, Provincial Reserves, Mountain Catchment Areas and Forestry Reserves declared in terms of the Protected Areas Act. NEMBA - Category 2 for release into damns within descrete catchment systems in which it occurs. NEMBA - Category 3 in all rivers, wetlands, natural lakes and estuaries in which it occurs.Where in South Africa is it a problem?
Throughout South Africa, widespread in temperate regions (Eastern and Western Cape)Why is it a problem?
The smallmouth bass has had a devastating effect on indigenous species, the main factor of the decline in indigenous species, being environmental degradation. Predation on indigenous organisms has also had a significant effect on ecosystems.What does it look like?
Description: Predatory fish, with a large head and mouth, reaching up to 5kg in weight and 60cm in length. Olive to coppery-yellow colour above, with darker olive vertical bars, dusky white underneath and red eyes. Habitat: Freshwater, preferring rocky pools and dams. Breeding: Occurs in early summer. Nest built in shallow waters.
General News Updates
2019 National Symposium on Biological Invasio…
26-02-2019
This is your invitation to South Africa's 2019 National Symposium on Biological Invasions. The convention is hosted by the Centre for Invasion Biology (CIB), University of Stellenbosch, and the Biolo... Read more
2019 Invasive Species Training
22-01-2019
During the past five years (2014-2018), ISSA invasive species trainers have trained 4 000 in the identification of invasive species and laws pertaining to invasive species across South Africa. ... Read more
Alien Grass Working Group
04-09-2018
Who are we? The South African National Alien Grass Working Group was jointly initiated by the South African Biodiversity Institute (SANBI) and the Centre for Excellence in Invasion Biology (C·I·B) in... Read more
Permits for planting indigenous Cynodon?
01-03-2018
On 16 February, 2018, South Africa's Department of Environmental Affairs issued amendments to the regulations and lists relating to the National List of Invasive Species. Updates to the draft&n... Read more
Invasive species training 2018 dates released
28-02-2018
Interested in invasive species? How much do you know about NEMBA invasive species compliance for landowners and organs of state? The South African Green Industries Council (SAGIC) have released... Read more
Communications post for Africa advertised
25-01-2018
The Nature Conservancy has advertised a brand new post: Communications Manager, Africa Region. Knowledge of invasive species and water would be an asset in this post. See details below: Job Titl... Read more
Atlantis Aquifer Invasive Plant Control
The Nature Conservancy Director of Water Funds for South Africa, Louise Stafford, is inviting invasive species teams, mentors and experts to submit proposals for an invasive species clearing project in Atlantis, Western Cape. The…
Xhosa names for invasive plants
46 Xhosa names for invasive plants have been identified by the Selmar Schonland Herbarium, Rhodes University Botany Department, Grahamstown, Eastern Cape. The first list of Xhosa names for plants was compiled…
Removal of invasive vegetation at Wemmershoek Dam will help City save water
"Enormous progress has been made on removing invasive alien vegetation in the catchment area around Wemmershoek Dam", says Executive Mayor, Patricia de Lille, City of Cape Town. "Invasive alien vegetation around…
Invasive species clearing campaign in Jukskei Park
Johannesburg City Parks and Zoo launched National Invasive Species Week initiatives on Thursday 12 October, 2017 in Juweel Park, Jukskei Park, Randburg, Gauteng. National Invasive Species Week is an awareness campaign…
Sign up for Invasive Species Training this November ...
The last two sessions of SAGIC Invasive Species legislation and herbicide applicator’s course in 2017 will take place in November. Are you interested in flora and fauna? How much do you…
