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German wasp | Vespula germanica

German wasp

Vespula germanica

Coral bush | Ardisia crenata

Coral bush

Ardisia crenata

Purple loosestrife | Lythrum salicaria

Purple loosestrife

Lythrum salicaria

Pom pom weed | Campuloclinium macrocephalum

Pom pom weed

Campuloclinium macrocephalum

Canarybird bush | Crotalaria agatiflora

Canarybird bush

Crotalaria agatiflora

Peanut butter cassia | Senna didymobotrya

Peanut butter cassia

Senna didymobotrya

Rubber vine | Cryptostegia grandiflora

Rubber vine

Cryptostegia grandiflora

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Environmental Programmes

In order to tackle our country’s socio-economic challenges, the government adopted the Outcomes based approach to improve government performance and providing focus on service delivery. find out more

Common carp

Cyprinus carpio

Common name:

Common carp

Scientific name:

Cypinus carpio


The Common Carp is a large freshwater fish, growing up to 1m in length and 24 kg in weight. Both colour and scales are variable in this species. It can be found in much of South Africa, and has had a significantly negative impact on the environment. Competition with other organisms for the same food sources has resulted in biodiversity loss. 

Additional Info

  • Where does this species come from?

    Europe and Asia

    What is its invasive status in South Africa?

    Proposed legislation: NEMBA – Category 2

    Why is it a problem?

    Carp has had a destructive impact on the environment. Competition with other species of fish for the same food source has lead to a loss in biodiversity.

    What does it look like?

    Description: A large, omnivorous, toothless fish reaching over 1m in length, and 24kg in weight. Colour is variable, in most cases olive above and with a lighter colour below. There is also variation in scales. Habitat: Freshwater species, thriving in large, shallow, vegetated habitats. Breeding: Occurs in late spring (October-December). Females lay a large number of transparent eggs.

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General News Updates

2019 National Symposium on Biological Invasio…


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


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


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?


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


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


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