Now showing items 1-10 of 23
Unexpected survival of sharptooth catfish Clarias gariepinus (Burchell 1822) during acute rotenone toxicity trials will complicate management of invasions
The sharptooth catfish Clarias gariepinus is an emerging global invader for which control strategies might include the use of piscicides such as rotenone. Experimental exposure demonstrated that C. gariepinus was less ...
Red swamp crayfish, Procambarus clarkia, found in South Africa 22 years after attempted eradication
(John Wiley & Sons, Ltd., 2017)
1. No freshwater crayfish are indigenous to continental Africa, but four species have been introduced to the continent. One of these is the North American red swamp crayfish Procambarus clarkii, which has been introduced ...
Conservation implications of establishment success of the Critically Endangered Twee River redfin ‘Pseudobarbus’ erubescens (Skelton, 1974) in an artificial impoundment in South Africa
(John Wiley & Sons, Ltd., 2017)
1. This study reports the first known record of breeding of the Critically Endangered Twee River redfin ‘Pseudobarbus’ erubescens in an artificial impoundment. This followed an introduction of 48 individuals into a 10 ha ...
Fictional responses from Vonesh et al.
DNA barcoding of South Africa’s ornamental freshwater fish – are the names reliable?
(Taylor & Francis, 2017)
Trade in freshwater ornamental fish in South Africa is currently regulated by a 'blacklist' to prevent potentially invasive taxa from establishing in the country. Because its effective implementation requires accurate ...
An assessment of recreational bank angling in the Free State Province, South Africa, using licence sale and tournament data
(Creative Commons Attribution Licence, 2017)
Recreational angling is an important form of utilisation of inland fisheries in South Africa but there is little information on this sector. The objective of this study was to provide an assessment of recreational bank ...
Age, growth and reproduction of non-native largemouth bass Micropterus salmoides (Lacépède, 1802) populations in two temperate African impoundments
(Blackwell Verlag GmbH, 2017)
This study aims to improve the understanding of the establishment success of Micropterus salmoides by assessing growth, maturity and reproductive seasonality of two populations from the temperate region in South Africa. ...
Reconstructing the introduction history of an invasive fish predator in South Africa
The Largemouth Bass (Micropterus salmoides) is a global invader with demonstrated ecological impacts on native fish communities. Introductions of fishes in freshwater ecosystems are often characterized as complex processes, ...
Managing conflict-generating invasive species in South Africa: Challenges and trade-offs
Background: This paper reviewed the benefits and negative impacts of alien species that are currently listed in the Alien and Invasive Species Regulations of the National Environmental Management: Biodiversity Act (Act no ...
Evaluating invasion risk for freshwater fishes in South Africa
Background: South Africa, as a signatory of the Convention on Biological Diversity, has an obligation to identify, prioritise and manage invasive species and their introduction pathways. However, this requires knowledge ...