All publications


Thermal selection as a driver of marine ecological speciation

Proceedings of the Royal Society B 286:20182023 (2019)

Reproductive philopatry in a coastal shark drives age-related population structure

Marine Biology 166:26 (2019)

Genomic resources for the spotted ragged-tooth shark (Carcharias taurus)

African Journal of Marine Science 41:115-118 (2019)

The complete mitochondrial genome of Africa's largest freshwater copepod, Lovenula raynerae

Mitochondrial DNA Part B 4:725-727 (2019)

The complete mitogenome of the springtail Cryptopygus antarcticus travei provides evidence for speciation in the sub-Antarctic region

Mitochondrial DNA Part B 4:1195-1197 (2019)

The complete mitochondrial genome of the springtail Tullbergia bisetosa: a subterranean springtail from the sub-Antarctic region

Mitochondrial DNA Part B 4: 1594-1596 (2019)

The complete mitogenome of Isotomurus maculatus: a widespread species that is invading the sub-Antarctic region

Mitochondrial DNA Part B 4: 1706-1708 (2019)


Mitochondrial DNA is unsuitable to test for isolation by distance

Scientific Reports 8:8448 (2018)

Is the Wild Coast in eastern South Africa a distinct marine bioregion?

Helgoland Marine Research 72:6 (2018)

University of Johannesburg (UJ)

In: A compendium of South African marine research in the Western Indian Ocean, pp. 68-69.


An overview of Australia's temperate marine phylogeography, with new evidence from high-dispersal gastropods

Journal of Biogeography 44:217-229 (2017)

Conservation implications of significant population differentiation in an endangered estuarine seahorse

Biodiversity and Conservation 26:2175-1293 (2017)

Evolution of foraging behaviour: deep intra-generic genetic divergence between territorial and non-territorial southern African patellid limpets

Molecular Phylogenetics and Evolution 117:95-101 (2017)

A new species of habitat-forming Suberites (Porifera, Demospongiae, Suberitida) in the Benguela upwelling region (South Africa)

Zootaxa 4254:49-81 (2017)

Life-histories explain the conservation status of two estuary-associated pipefishes

Biological Conservation 212:256-264 (2017)

Departures from panmixia in two high-dispersal prawn species from the south-western Indian Ocean

African Journal of Marine Science 39:467-474 (2017)


Coalescent genealogy samplers infer questionable estimates of gene flow

Marine Ecology Progress Series 539:153-163 (2016)

Oceanography promotes self-recruitment in a planktonic larval disperser

Scientific Reports 6: 34205 (2016)

Molecular insights into species recognition within southern Africa's endemic Tricolia radiation (Archaeogastropoda: Tricoliidae)

Journal of Molluscan Studies 82:97-103 (2016)

Diversification and co-evolution of the ghrelin/growth hormone secretagogue receptor system in vertebrates

Ecology and Evolution 6:2516-2535 (2016)

No divergent evolution, despite restricted connectivity, between Atlantic and Indian Ocean goby populations

Marine Biodiversity 46:465-471 (2016)

The transcriptome of metamorphosing flatfish

BMC Genomics 17:413 (2016)


Southeast African limpets are divided into distinct tropical and subtropical populations, with strictly southward gene flow

Molecular Ecology 20: 5025-5041 (2015)

Evolutionary significance and diversification of the phosphoglucose isomerase genes in vertebrates

BMC Research Notes 8:799 (2015)

Phylogeography and demographic history of multiple southern African patellid limpets: congruence of Pleistocene spatial expansion, but not phylogeography

African Journal of Marine Science 37:11-20 (2015)

Invasion success of a habitat-forming marine invertebrate is limited by lower-than-expected dispersal ability

Marine Ecology Progress Series 536:221-227 (2015)

On-shelf larval retention limits population connectivity in a coastal broadcast spawner

Marine Ecology Progress Series 532: 1-12 (2015)

Contrasting signals of genetic diversity and historical demography between two recently diverged marine and estuarine fish species

Marine Ecology Progress Series 526:157-167 (2015)

Low genetic diversity in pygmy blue whales is due to climate-induced diversification rather than anthropogenic impacts

Biology Letters 11: 20141037 (2015)

Range-wide fragmentation in a threatened fish associated with post-European settlement modification in the Murray-Darling Basin, Australia

Conservation Genetics 17:1377-1391 (2016)

The subspecies of Antarctic Terns (Sterna vittata) wintering on the South African coast: evidence from morphology, genetics and stable isotopes

Emu 115:223-236 (2015)

A comparison of genetic structure in two low-dispersal estuarine crabs from the Wild Coast, South Africa

African Journal of Marine Science 37:345-351 (2015)


Mitonuclear discordance in genetic structure across the Atlantic/Indian Ocean biogeographical transition zone

Journal of Biogeography 41:293-401 (2014)

Can novel genetic analyses help to identify low-dispersal marine invasive species?

Ecology and Evolution 4:2848-2866 (2014)

Identifying marine invasions.pdf

Connectivity in solitary ascidians: is a 24-h propagule duration sufficient to maintain large-scale genetic homogeneity?

Marine Biology 161:2681-2687 (2014)

Larval development in coastal crabs reflects adaptation to biogeography

African Journal of Aquatic Science 39:347-350 (2014)


Two sides of the same coin: extinctions and originations across the Atlantic/Indian Ocean boundary as consequences of the same climate oscillation

Frontiers of Biogeography 5:48-59 (2013)

Marine dispersal and barriers drive Atlantic seahorse diversification

Journal of Biogeography 40:1839-1849 (2013)

Dispersal barriers and stochastic reproductive success (sweepstakes events) do not explain small-scale genetic structure in marine mussels

Marine Ecology Progress Series 482:133-140 (2013)

Identification of a uniquely southern African clade of coastal pipefishes, Syngnathus spp.

Journal of Fish Biology 82:2045-62 (2013)

Cryptic diversity in coastal Australasia: a morphological and mito-nuclear genetic analysis of habitat-forming sibling species

Zoological Journal of the Linnean Society 168:597-611 (2013)


Mitochondrial DNA paradox: sex-specific genetic structure in a marine mussel - despite maternal inheritance and passive dispersal

BMC Genetics 13: 45 (2012)

Mitochondrial DNA paradox summary.pdf


A review of marine phylogeography in southern Africa

South African Journal of Science 107: 43-53 (2011)

Nested cryptic diversity in a widespread marine ecosystem engineer: A challenge for detecting biological invasions

BMC Evolutionary Biology 11:176 (2011)

A revision of the Pyura stolonifera species complex

Zootaxa 2754:27-40 (2011)

Biogeography creates congruent genetic structure in broadcast spawners and direct developers

Molecular Ecology 20:5025-41 (2011)


Connectivity between marine reserves and exploited areas in the philopatric reef fish Chrysoblephus laticeps (Teleostei: Sparidae)

Marine Biology 157:2029-2042 (2010)


A tropical/subtropical biogeographic disjunction in southeastern Africa separates two ESUs of an estuarine prawn

Marine Biology 156:1265-1275 (2009)

Evolution of seahorses' upright posture was linked to Oligocene expansion of seagrass habitats

Biology Letters 5:521-523 (2009)

The Rise of Seahorses

Australasian Science Nov/Dec 2009

Intron-spanning primers for the amplification of the nuclear ANT gene in decapod crustaceans

Molecular Ecology Resources 9:774-6 (2009)

Tri-locus sequence data reject a "Gondwanan origin hypothesis" for the African/South Pacific crab genus Hymenosoma

Molecular Phylogenetics and Evolution 53:23-33 (2009)


Oceanic dispersal barriers, adaptation and larval retention: an interdisciplinary assessment of potential factors maintaining a phylogeographic break between sister lineages of an African prawn

BMC Evolutionary Biology 8:341 (2008)

Molecular dating and biogeography of the neritic krill Nyctiphanes

Marine Biology 155:243-247 (2008)

Coastal topography drives genetic structure in marine mussels

Marine Ecology Progress Series 368:189-195 (2008)


Does the endangered Knysna seahorse have a preference for aquatic vegetation type, cover or height?

African Zoology 42:23-30 (2007)

Lack of genetic differentiation among four sympatric southeast African intertidal limpets (Siphonariidae): phenotypic plasticity in a single species?

Journal of Molluscan Studies 73: 223–228 (2007)

Implications of life history for genetic structure: planktonic, abbreviated and direct development

Marine Biology 152:697-711 (2007)

Unexpected genetic structure in marine mussels: native Perna perna and invasive Mytilus galloprovincialis

Marine Ecology Progress Series 337:135-144 (2007)

Climate change, genetics or human choice: why were the shells of mankind's earliest ornament larger in the Pleistocene than in the Holocene?

PLoS ONE 7:e614 (2007)

Phylogeographic structure of the caridean shrimp Palaemon peringuyi in South Africa: further evidence for intraspecific genetic units associated with marine biogeographic provinces

African Journal of Marine Science 29:253-258 (2007)

Genetic and morphological analyses suggest that southern African crown crabs, Hymenosoma orbiculare, represent five distinct species

Crustaceana 80:667-683 (2007)

Phylogeographic structure of Octopus vulgaris in South Africa revisited: identification of a second lineage near Durban harbour

Marine Biology 151:2119-2122 (2007)

Molecular evidence for long-distance colonization in an Indo-Pacific seahorse lineage

Marine Ecology Progress Series 286:249-260 (2006)

The evolutionary history of seahorses (Syngnathidae: Hippocampus): molecular data suggest a West Pacific origin and two invasions of the Atlantic Ocean

Molecular Phylogenetics and Evolution 30:273-286 (2004)

Affinities of some common estuarine macroinvertebrates to salinity and sediment type: Empirical data from Eastern Cape estuaries, South Africa

African Zoology 39:183-192 (2004)

What limits the distribution of subtidal macrobenthos in permanently open and temporarily open/closed South African estuaries? Salinity vs. sediment particle size

Estuarine, Coastal and Shelf Science 57:225-238 (2003)

Population genetics of the endangered Knysna seahorse, Hippocampus capensis

Molecular Ecology 12:1703-1715 (2003)

A comparison of the macrobenthic faunas of permanently open and temporarily open/closed South African estuaries

Hydrobiologia 464:227-243 (2001)

The distribution and abundance of the endangered Knysna seahorse Hippocampus capensis (Pisces: Syngnathidae) in South African estuiaries

African Journal of Aquatic Science 31:275-283 (2003)