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List of works by Olaf L. F. Weyl

A Comparison of Three Techniques for Fluorochrome Marking of JuvenileClarias gariepinusOtoliths

scientific article published in 2011

A Review of Freshwater Crayfish Introductions in Africa

scientific article published on 13 August 2020

A comparison of three techniques for fluorochrome marking of juvenile Clarias gariepinus otoliths

scientific article published in 2011

A critique of the balanced harvesting approach to fishing

scientific article published in 2015

A global review and meta-analysis of applications of the freshwater Fish Invasiveness Screening Kit

scientific article published on 06 May 2019

A new species of Hysterothylacium (Nematoda: Anisakidae) from the giant mottled eel Anguilla marmorata in South Africa

article

A qualitative and quantitative analysis of historic commercial fisheries in the Free State Province in South Africa

article

A review of Clarias gariepinus invasions in Brazil and South Africa.

scientific article

A review of current knowledge, risk and ecological impacts associated with non-native freshwater fish introductions in South Africa

article

A review of the biology and status of Cape Fold Ecoregion freshwater fishes

article

A review of the influence of biogeography, riverine linkages, and marine connectivity on fish assemblages in evolving lagoons and lakes of coastal southern Africa.

scientific article published on 10 August 2017

A successful population of largemouth bass, Micropterus salmoides, in a subtropical lake in Mozambique

Adult African Sharptooth Catfish,Clarias gariepinus,Population Dynamics in a Small Invaded Warm-Temperate Impoundment

article

Advancing impact prediction and hypothesis testing in invasion ecology using a comparative functional response approach

scientific article published on 26 September 2013

Age and growth and maturity of southern Africa's largest cyprinid fish, the largemouth yellowfish Labeobarbus kimberleyensis.

scientific article published on 17 August 2012

Age and growth of sharptooth catfish, Clarias gariepinus (Burchell, 1822) (Clariidae), in the Lower Okavango Delta, Botswana

scholarly article by Thethela Bokhutlo et al published 2015 in Marine and Freshwater Research

Age, growth and reproduction of non-native largemouth bass Micropterus salmoides (Lacépède, 1802) populations in two temperate African impoundments

scholarly article in Journal of Applied Ichthyology, vol. 33 no. 4, April 2017

Alternative prey impedes the efficacy of a natural enemy of mosquitoes

scientific article published on 11 November 2019

An Assessment of the Effect of Rotenone on Selected Non-Target Aquatic Fauna

scientific article published on 5 November 2015

An evaluation of the current extent and potential spread of Black Bass invasions in South Africa

scientific article published on 06 February 2019

Are African longfin eel imports a potential pathway for parasite invasions?

scientific article

Assessing multiple predator, diurnal and search area effects on predatory impacts by ephemeral wetland specialist copepods

scientific article published in 2019

Assessing predator-prey interactions in a chemically altered aquatic environment: the effects of DDT on Xenopus laevis and Culex sp. larvae interactions and behaviour

scientific article published on 05 July 2019

Benthic diatom-based indices and isotopic biomonitoring of nitrogen pollution in a warm temperate Austral river system

scientific article published on 22 September 2020

Biological and life-history parameters for <i>Labeo rosae</i> Steindachner, 1894 and <i>Oreochromis mossambicus</i> (Peters, 1852) from Flag Boshielo Dam, Olifants River, South Africa

scientific article published in 2023

Brown Trout Introductions, Establishment, Current Status, Impacts and Conflicts

Calanoid Copepods: An Overlooked Tool in the Control of Disease Vector Mosquitoes

scientific article published on 01 October 2018

Challenges in fisheries management in the Zambezi, one of the great rivers of Africa

article

Co-introduction of ancyrocephalid monogeneans on their invasive host, the largemouth bass, Micropterus salmoides (Lacepéde, 1802) in South Africa. ⬇️

scientific article published on 5 June 2017

Combined impacts of warming and salinisation on trophic interactions and mortality of a specialist ephemeral wetland predator

scientific article published in 2019

Comparing the fish assemblages and food-web structures of large floodplain rivers

Comparisons of isotopic niche widths of some invasive and indigenous fauna in a South African river

scholarly article by Jaclyn M. Hill et al published 10 February 2015 in Freshwater Biology

Confronting the wicked problem of managing biological invasions

article

Conservation implications of establishment success of the Critically Endangered Twee River redfin ‘Pseudobarbus’ erubescens (Skelton, ) in an artificial impoundment in South Africa

article

Coordinated approaches to rehabilitating a river ecosystem invaded by alien plants and fish

article

Detecting Native Freshwater Fishes Using Novel Non-invasive Methods

scientific article

Diet of Glossogobius callidus (Teleostei: Gobiidae) in freshwater impoundments in the Sundays River Valley of the Eastern Cape, South Africa

scientific article published on 05 November 2019

Differential use of artificial habitats by native and non-native fish species in Neotropical reservoirs

Dispersal and population-level mortality of Micropterus salmoides associated with catch and release tournament angling in a South African reservoir

scholarly article by Geraldine C. Taylor et al published February 2015 in Fisheries Research

Distribution and establishment of the alien Australian redclaw crayfish, Cherax quadricarinatus, in South Africa and Swaziland ⬇️

scientific article

Ecology of Australian Freshwater Fishes

article

Ecomorphology of largemouth bass relative to a native trophic analogue explains its high invasive impact

scientific article published on 27 March 2020

Effect of an intensive mechanical removal effort on a population of non-native rainbow trout Oncorhynchus mykiss in a South African headwater stream

scholarly article by Jeremy Shelton et al published 7 March 2017 in Aquatic Conservation: Marine and Freshwater Ecosystems

Effects of climate and land-use changes on fish catches across lakes at a global scale

scientific article published on 20 May 2020

Emergent effects of structural complexity and temperature on predator-prey interactions

article

Establishment of Translocated Populations of Smallmouth Yellowfish,Labeobarbus aeneus(Pisces: Cyprinidae), in Lentic and Lotic Habitats in the Great Fish River System, South Africa

article

Estimating δ15N fractionation and adjusting the lipid correction equation using Southern African freshwater fishes.

scientific article

Ethical considerations for field research on fishes

Evaluating invasion risk for freshwater fishes in South Africa

article

Existing and emerging high impact invasive species are characterized by higher functional responses than natives ⬇️

scientific article

Exploratory stock identification through morphometric trait analysis of the estuarine round herring, <i>Gilchristella aestuaria</i> (<scp>Pisces: Clupeidae</scp>)

scientific article published in 2022

Fictional responses from Vonesh et al

January 2017 scholarly article in Biological Invasions

First Record of an Introduction of the Giant Pangasius, Pangasius sanitwongsei Smith 1931, Into an African River

scientific article published in 2013

First record of predation by the alien invasive freshwater fish Micropterus salmoides L. (Centrarchidae) on migrating estuarine fishes in South Africa

article

First record of predation by the alien invasive freshwater fishMicropterus salmoidesL. (Centrarchidae) on migrating estuarine fishes in South Africa

scientific article

First report of nephrocalcinosis in a wild population of Mugil cephalus L. and Myxus capensis (Valenciennes).

scientific article published on 18 March 2013

Fish communities of the Wilderness Lakes System in the southern Cape, South Africa

article

Fisheries in subtropical and temperate regions of Africa

article

Food web properties vary with climate and land use in South African streams

scientific article

Functional responses can unify invasion ecology

article

Genetic variability and demographic history of Anguilla mossambica (Peters, 1852) from continental Africa and Madagascar

scientific article published on 27 November 2019

Global Patterns in the Motivations and Behaviors of Tournament Anglers Targeting Bedding Bass

Habitat simplification increases the impact of a freshwater invasive fish

Habitat structure differentially mitigates predation impact of juvenile largemouth bass and Florida bass

scientific article published on 23 April 2021

Habitat utilisation of Pseudobarbus afer and Sandelia capensis in headwaters of the Swartkops River, Eastern Cape, South Africa

scientific article published on 12 June 2020

Histological Confirmation of Epizootic Ulcerative Syndrome in Two Cyprinid Species from Lake Liambezi, Zambezi Region, Namibia

article

Histological validation of gonadal macroscopic staging criteria for Labeo cylindricus (Pisces: Cyprinidae)

scientific article published in 2000

Immediate impact of piscicide operations on a Cape Floristic Region aquatic insect assemblage: a lesser of two evils?

article by Darragh J. Woodford et al published 22 June 2013 in Journal of Insect Conservation

Impacts of non-native fishes under a seasonal temperature gradient are forecasted using functional responses and abundances

scientific article

Implications of the movement behaviour of African tigerfish Hydrocynus vittatus for the design of freshwater protected areas

scientific article published on 15 October 2019

In a Pinch: Mechanisms Behind Potential Biotic Resistance Toward Two Invasive Crayfish by Native African Freshwater Crabs

scientific article published in 2020

Influence of intra- and interspecific variation in predator-prey body size ratios on trophic interaction strengths

scientific article published on 01 June 2020

Innate responses to conspecific and heterospecific alarm cues in the endangered eastern cape redfin Pseudobarbus afer

scientific article published on 09 November 2019

Inter-Population Similarities and Differences in Predation Efficiency of a Mosquito Natural Enemy

scientific article published on 27 May 2020

Intermediate predator naïveté and sex-skewed vulnerability predict the impact of an invasive higher predator ⬇️

scientific article published in Scientific Reports

Inter‐specific differences in invader and native fish functional responses illustrate neutral effects on prey but superior invader competitive ability

scientific article

Invader Relative Impact Potential: a new metric to understand and predict the ecological impacts of existing, emerging and future invasive alien species ⬇️

article

Invasion of a Headwater Stream by Non-Native Fishes in the Swartkops River System, South Africa

article

Invasion of a South African Anguilla mossambica (Anguillidae) population by the alien gill worm Pseudodactylogyrus anguillae (Monogenea)

scholarly article by Denham Parker et al published October 2011 in African Zoology

Invasion of a headwater stream by non-native fishes in the Swartkops River system, South Africa

scientific article

Invasion syndromes: a systematic approach for predicting biological invasions and facilitating effective management

scientific article

Invasive Alien Freshwater Fishes in the Wilderness Lakes System, a Wetland of International Importance in the Western Cape Province, South Africa

article

Invasive crayfish outperform Potamonautid crabs at higher temperatures

scientific article published in 2021

Invasive crayfish threaten Okavango Delta

article

Juvenile population dynamics of Oreochromis mossambicus in an intermittently open estuary at the limit of its natural distribution

journal article; published in African Zoology in 2008

LIFE-HISTORY OF THE RIVER GOBY GLOSSOGOBIUS CALLIDUS (TELEOSTEI: GOBIIDAE)

scientific article published on 29 July 2020

Lack of prey switching and strong preference for mosquito prey by a temporary pond specialist predator

scientific article published in 2019

Lake Malawi: fishes, fisheries, biodiversity, health and habitat

article

Life History Strategy and Population Characteristics of an Unexploited Riverine Cyprinid,Labeo capensis, in the Largest Impoundment in the Orange River Basin

scientific article published in 2012

Life history and population dynamics of invasive common carp, Cyprinus carpio, within a large turbid African impoundment

article

Life-History Characteristics of an Age-Validated Established Invasive African Sharptooth Catfish,Clarias gariepinus, Population in a Warm-Temperate African Impoundment

article

Life-history characteristics of an age-validated established invasive African sharptooth catfish,Clarias gariepinus, population in a warm–temperate African impoundment

scientific article

Linking key environmental stressors with the delivery of provisioning ecosystem services in the freshwaters of southern Africa

article

Macro- and micronutrient composition of estuarine roundherring (<i>Gilchristella aestuaria</i>) (Pisces: Clupeidae) in the Eastern Cape, South Africa: a potential dietary source of essential nutrients

scientific article published in 2022

Management recommendations for Copadichromis chrysonotus (Pisces: Cichlidae) in Lake Malombe, Malawi, based on per-recruit analysis

article

Managing conflict-generating invasive species in South Africa: Challenges and trade-offs

article

Managing conflicts arising from fisheries enhancements based on non-native fishes in southern Africa.

scientific article

Migratory history of African longfinned eel Anguilla mossambica from Maningory River, Madagascar: discovery of a unique pattern in otolith Sr:Ca ratios

Molecular and morphological evidence reveals hybridisation between two endemic cyprinid fishes

scientific article published on 14 October 2019

Monitoring the silver carp invasion in Africa: a case study using environmental DNA (eDNA) in dangerous watersheds

scientific article

Nile Tilapia, Oreochromis niloticus (Teleostei: Cichlidae): a threat to native fishes of Lake Malawi?

scientific article published in 2022

Novel distribution records and molecular data for species of Macrogyrodactylus Malmberg, 1957 (Monogenea: Gyrodactylidae) from Clarias gariepinus (Burchell) (Siluriformes: Clariidae) in southern Africa

scholarly article published in 2021

Observations on agonistic behaviour of Clarias gariepinus larvae and juveniles under different densities and feeding frequencies in a controlled environment

scholarly article in Journal of Applied Ichthyology, vol. 11 no. 1-2, June 1995

Occupancy dynamics of rare cyprinids after invasive fish eradication

scientific article

On the Life History of a Cyprinid Fish, Labeo cylindricus

article

On the RIP: using Relative Impact Potential to assess the ecological impacts of invasive alien species

scientific article

Optimising invasive fish management in the context of invasive species legislation in South Africa

article

Out of the pot and into the fire: Explaining the vulnerability of an endangered small headwater stream fish to black-bass Micropterus spp. invasion.

scientific article published on 26 February 2018

Parasite diversity of African longfin eel Anguilla mossambica Peters with comments on host response to the monogenean Pseudodactylogyrus anguillae (Yin and Sproston).

scientific article

Playing with food: Detection of prey injury cues stimulates increased functional foraging traits in <i>Xenopus laevis</i>

scientific article published in 2020

Population dynamics and biology of an invasive population of mosquitofish Gambusia affinis in a temperate estuarine lake system

article

Possible impacts of non-native plant, pathogen, invertebrate and fish taxa on the indigenous ichthyofauna in South African estuaries: a preliminary review

Prey and predator density‐dependent interactions under different water volumes

scientific article published in 2021

Prey type and temperature influence functional responses of threatened endemic Cape Floristic Ecoregion fishes

scientific article published on 11 July 2021

Propagule pressure drives establishment of introduced freshwater fish: quantitative evidence from an irrigation network.

scientific article

Pseudodactylogyrus anguillae (Yin & Sproston, 1948) from the giant mottled eel Anguilla marmorata Quoy & Gaimard, 1824, in the Phongolo River, South Africa: an invader on the African continent

scientific article published on 05 February 2021

Rapid invasion of a subtropical lake fishery in central Mozambique by Nile tilapia,Oreochromis niloticus(Pisces: Cichlidae)

article

Rapid recovery of macroinvertebrates in a South African stream treated with rotenone

scientific article published on 14 January 2019

Re-elevation to species level and redescription of Serranochromis jallae and Serranochromis robustus (Teleostei: Cichlidae)

scientific article published on 29 September 2020

Recommendations for the Next Generation of Global Freshwater Biological Monitoring Tools

scientific article published in 2016

Reconstructing the introduction history of an invasive fish predator in South Africa

article

Red swamp crayfish, Procambarus clarkii , found in South Africa 22 years after attempted eradication

article

Redescription of Heliconema africanum (Linstow, 1899) n. comb. (Nematoda: Physalopteridae), a nematode parasite of freshwater eels (Anguilla spp.) in South Africa

scientific article published on 22 June 2013

Regional variation in otolith Sr:Ca ratios of African longfinned eel Anguilla mossambica and mottled eel Anguilla marmorata: a challenge to the classic tool for reconstructing migratory histories of fishes.

scientific article

Reply to Andersenet al.(2016) “Assumptions behind size-based ecosystem models are realistic”

scientific article published in 2016

Reporting by-catch and mortalities in targeted biological field surveys on fishes

article

Resilience Management for Conservation of Inland Recreational Fisheries

scientific article

Resilience of imperilled headwater stream fish to an unpredictable high-magnitude flood

Retention of T-bar anchor and dart tags by a wild population of African sharptooth catfish, Clarias gariepinus

Rethinking refuges: Implications of climate change for dam busting

scholarly article by Stephen Beatty et al published May 2017 in Biological Conservation

River nutrient water and sediment measurements inform on nutrient retention, with implications for eutrophication

scientific article published on 22 May 2019

River sediment metal and nutrient variations along an urban-agriculture gradient in an arid austral landscape: implications for environmental health

scientific article

Sacrificial males: the potential role of copulation and predation in contributing to copepod sex-skewed ratios

scientific article published in 2018

Seasonal variation and drivers of zooplankton, macroinvertebrate and littoral fish communities from irrigation ponds in a semi-arid region in the Eastern Cape (South Africa)

scientific article published on 07 June 2021

Sex and species specific isotopic niche specialisation increases with trophic complexity: evidence from an ephemeral pond ecosystem

scientific article

Sex demographics alter the effect of habitat structure on predation by a temporary pond specialist

article published in 2019

Sex‐skewed trophic impacts in ephemeral wetlands

Sleeping with the enemy: introgressive hybridization in two invasive centrarchids

scientific article published on 01 August 2018

Spatial extent and consequences of black bass (Micropterus spp.) invasion in a Cape Floristic Region river basin

Species succession and the development of a lacustrine fish community in an ephemeral lake

scientific article published on 19 July 2019

Success of a large riverine cyprinid smallmouth yellowfishLabeobarbus aeneusin a southern African impoundment

scientific article published in 2016

Successful mechanical eradication of spotted bass ( Micropterus punctulatus (Rafinesque, 1819)) from a South African river

Sustainable inland fisheries – perspectives from the recreational, commercial and subsistence sectors from around the globe

scholarly article

Tackling Invasive Alien Species in Europe: the top 20 issues

Temperature mediates the impact of non-native rainbow trout on native freshwater fishes in South Africa’s Cape Fold Ecoregion

article by Jeremy M. Shelton et al published 9 May 2018 in Biological Invasions

Temperature regime drives differential predatory performance in Largemouth Bass and Florida Bass

scientific article published on 18 November 2019

The Alliance for Freshwater Life : A global call to unite efforts for freshwater biodiversity science and conservation

scientific article published in August 2018

The Role of Directed Dispersal in Driving Genetic and Morphological Structure in Invasive Smallmouth Bass

scientific article published in 2022

The biology of Tilapia rendalli and Oreochromis mossambicus (Pisces: Cichlidae) in a subtropical lake in Mozambique

journal article; published in African Zoology in 1998

The diet and trophic ecology of non-native Micropterus salmoides in two South African impoundments

scientific article published on 08 August 2019

The effect of prey identity and substrate type on the functional response of a globally invasive crayfish

scientific article

The effect of stocking density on growth, survival and agonistic behaviour of African catfish

The extent of hybridisation between largemouth bass and Florida bass across two river systems in South Africa

scientific article published in 2022

The genetic characteristics of invasive Largemouth Bass in southern Brazil

scientific article published on 26 November 2019

The ghost of introduction past: Spatial and temporal variability in the genetic diversity of invasive smallmouth bass ⬇️

scientific article published on 25 June 2018

The invasibility of small headwater streams by an emerging invader, Clarias gariepinus

Threatened Endemic Fishes in South Africa's Cape Floristic Region: A New Beginning for the Rondegat River

article

Towards using thermal stress thresholds to predict salmonid invasion potential

article

Trophic interactions in an austral temperate ephemeral pond inferred using stable isotope analysis

article

Trophic isotopic carbon variation increases with pond's hydroperiod: Evidence from an Austral ephemeral ecosystem.

scientific article published on 8 August 2017

Trophic overlap between fish and riparian spiders: potential impacts of an invasive fish on terrestrial consumers ⬇️

scientific article

Twenty‐five essential research questions to inform the protection and restoration of freshwater biodiversity

scientific article

Underwater video analysis as a non-destructive alternative to electrofishing for sampling imperilled headwater stream fishes

article

Unexpected survival of sharptooth catfish Clarias gariepinus (Burchell 1822) during acute rotenone toxicity trials will complicate management of invasions

article

Unintended consequences of using alien fish for human benefit in protected areas

Using Tournament Angler Data to Rapidly Assess the Invasion Status of Alien Sport Fishes (Micropterus spp.) in Southern Africa ⬇️

scientific article

Using a unified invasion framework to characterize Africa’s first loricariid catfish invasion

article by Roy W. Jones et al published 9 March 2013 in Biological Invasions

Using action cameras to estimate the abundance and habitat use of threatened fish in clear headwater streams

scientific article published on 12 May 2020

Using functional responses to assess predator hatching phenology implications for pioneering prey in arid temporary pools

article

Using functional responses to quantify interaction effects among predators

article

Using genetics to prioritise headwater stream fish populations of the Marico barb, Enteromius motebensis Steindachner 1894, for conservation action

article

Using species-diagnostic SNPs to detail the distribution and dynamics of hybridized black bass populations in southern Africa

scientific article published on 04 January 2019

Validating and corroborating the deposition of two annual growth zones in asteriscus otoliths of common carp Cyprinus carpio from South Africa's largest impoundment.

scientific article published on 3 November 2010

Validation of Growth Zone Deposition in Otoliths of Two Large Endemic Cyprinids in Lake Gariep, South Africa

article

Validation of annulus formation in otoliths of a temperate population of adult African sharptooth catfishClarias gariepinususing fluorochrome marking of wild fish

scholarly article by Olaf L. F. Weyl & A. J. Booth published September 2008 in Journal of Fish Biology

Validation of annulus formation in otoliths of largemouth bassMicropterus salmoidesoutside their native range

scholarly article in Journal of Applied Ichthyology, vol. 29 no. 2, January 2013

Validation of annulus formation in sagittal otoliths of three tropical cichlidsOreochromis andersonii(Castelnau, 1861),Oreochromis macrochir(Boulenger, 1912), andCoptodon rendalli(Boulenger, 1896)

scholarly article in Journal of Applied Ichthyology, vol. 32 no. 5, June 2016

Validation of the periodicity of growth zone formation in the otoliths of four fish species from the Upper Zambezi ecoregion, southern Africa

scientific article published in 2016

Variation in thermal tolerances of native freshwater fishes in South Africa's Cape Fold Ecoregion: examining the east-west gradient in species' sensitivity to climate warming

scientific article published on 11 January 2019

Variation partitioning of benthic diatom community matrices: Effects of multiple variables on benthic diatom communities in an Austral temperate river system

scientific article

Vulnerability of Cape Fold Ecoregion freshwater fishes to climate change and other human impacts

scholarly article by Jeremy M. Shelton et al published 6 December 2017 in Aquatic Conservation: Marine and Freshwater Ecosystems

Water or sediment? Partitioning the role of water column and sediment chemistry as drivers of macroinvertebrate communities in an austral South African stream

scientific article published on 07 July 2017

Ecological and potential socioeconomic impacts of two globally-invasive crayfish

scientific article published in 2022

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