Systematics and natural history of marine fishes
Reproductive ecology and behaviour of fishes

Ecology and management of coastal fishes

National assessment of South Africa’s Marine Protected Areas (MPAs)

Biogeography and systematics of freshwater fishes
Conservation genetics and management of threatened freshwater fishes

My research interests span the fields of ecology, phylogeography, historical biogeography, systematics and conservation.

Biology, ecology and movement of coastal fishes
Management of declining fishery resources

Inland fisheries and freshwater fish conservation

Marine fish systematics
Biology and ecology of marine fishes
History of ichthyology in South Africa

Biodiversity science and the molecular systematics of aquatic organisms.

Fish diversity, taxonomy, adaptations and distribution

Systematics of Tripterygiidae and Clinidae
Coral reef conservation and Science Education

Estuarine and coastal fish
Global change and impacts on estuarine and coastal systems

Conservation of freshwater fishes in southern African and the management of alien freshwater fishes

Movement ecology and distribution patterns of aquatic animals

Physiology, life cycles and biology of marine invertebrates.

Distribution and impacts of alien freshwater crayfish species in South Africa

Technical and field support to the Acoustic Tracking Array Platform

Early life stages of temperate fishes and invertebrates

Coastal systems; Marine biology; organismal and population ecology.
Larval connectivity.

Systematics and biogeography of African freshwater fishes
Management of scientific collections and institutions

Predator-prey dynamics especially regarding invasive species

Estuarine Ecology

African freshwater fishes
Taxonomy

I am an editorial board member of African Zoology, African Journal of Aquatic Science and Journal of Fish Biology and provide expert advice for several organisations including the Endangered Wildlife Trust and the World Wildlife Fund.

Estuarine ecology