| Issue Date | Title | Author(s) |
| 2020 | African freshwater eel species (Anguilla spp.) identification through DNA barcoding. | O'Brien, Gordon Craig. |
| 2020 | Application of the relative risk model for evaluation of ecological risk in selected river dominated estuaries in KwaZulu-Natal, South Africa. | O'Brien, Gordon Craig. |
| 2020 | Assessing the effect of tagging and the vulnerability to predation in tigerfish (Hydrocynus vittatus, Castelnau 1861) in a water-stressed system using telemetry methods. | O'Brien, Gordon Craig. |
| 2021 | Crocodile meat meal as a fishmeal substitute in juvenile dusky kob (Argyrosomus japonicus) diets: feed utilization, growth performance, blood parameters, and tissue nutrient composition. | Mdhluvu, Reginah M.  ; Mlambo, Victor. ; O'Brien, Gordon Craig. |
| 2019 | Defining and quantifying national-level targets, indicators and benchmarks for management of natural resources to achieve the sustainable development goals. | O'Brien, Gordon Craig. |
| 2020 | Ecological risk of water resource use to the wellbeing of macroinvertebrate communities in the rivers of KwaZulu-Natal, South Africa. | O'Brien, Gordon Craig. |
| 2021 | Editorial: advances in biomonitoring for the sustainability of vulnerable African Riverine ecosystems. | O'Brien, Gordon Craig. |
| 2023 | The lesser of two evils: the role of an instream barrier to control the distribution and invasive potential of non-native fish species in the Mooi River, South Africa. | Burnett, Matthew J.; Hanzen, Céline.; Whitehead, Alex.; O'Brien, Gordon Craig. ; Downs, Colleen T. |
| 2020 | Macroinvertebrate taxa display increased fidelity to preferred biotopes among disturbed sites in a hydrologically variable tropical river. | O'Brien, Gordon Craig. |
| 2019 | Macroinvertebrates as indicators of ecological conditions in the rivers of KwaZulu-Natal, South Africa. | O'Brien, Gordon Craig. |
| 2021 | Regional scale risk to the ecological sustainability and ecosystem services of an African floodplain system. | O'Brien, Gordon Craig. |
| 2020 | Risk assessment of water quantity and quality stressors to balance the use and protection of vulnerable water resources. | O'Brien, Gordon Craig. |
| 2019 | River connectivity and fish migration considerations in the management of multiple stressors in South Africa. | Dlamini, Vuyisile. ; O'Brien, Gordon C. |
| 2020 | The southern African inland fish tracking programme (FISHTRAC): an evaluation of the approach for monitoring ecological consequences of multiple water resource stressors, remotely and in real-time. | O'Brien, Gordon Craig. |
| 2019 | Speaking the same language: can the sustainable development goals translate the needs of inland fisheries into irrigation decisions? | O'Brien, Gordon Craig. |
| 2020 | Surgical implantation of radio tags in three eel species (Anguilla spp.) in South Africa. | O'Brien, Gordon Craig. |