Published marine and terrestrial research

2020-2024

Uncertainty remains for white sharks in South Africa, as population stability and redistribution cannot be concluded by Bowlby et al.(2023):“Decline or shifting distribution? a first regional trend assessment for white sharks (Carcharodon carcharias) in South Africa.

Gennari, Hammerschlag, Andreotti, Fallows, Fallows and Braccini (2024) - Read this publication online
Further insights into killer whales Orcinus orca preying on white sharks Carcharodon carcharias in South Africa.

Towner, Micarelli, Hurwitz, Smale, Booth, Stopforth, Jacobs, Reinero, Ricci, Di Bari, Gavazzi, Carugno, ,Mahrer and Gennari (2024) - Read this publication online
Looking into the prevalence of bycatch juveniles of critically endangered elasmobranchs: a case study from pelagic longline and trammel net fisheries of the Asinara Gulf (western Mediterranean).

Scacco, Gennari, Di Crescenzo, Fanelli (2023) - Read this publication online
Short-term effects of standard procedures associated with surgical transmitter implantation on a benthic shark species requiring anaesthesia

Trotter, Rathjens, Schmiegel, Mews, Cowley, Gennari (2023) - Read this publication online
Stakeholders’ perceptions of the conservation and management of elasmobranchs in South Africa

Williams, Lucrezi, Cowley, Gennari (2023) - Read this publication online
Molecular Taxonomy of South Africa’s Catsharks: How Far Have We Come?

van Staden, Ebert, Gennari, Leslie, McCord, Parkinson, Watson, Wintner, da Silva, Bester-van der Merwe (2023) - Read this publication online
A systematic conservation plan identifying critical areas for improved chondrichthyan protection in South Africa

Faure-Beaulieu, Lombard, Olbers, Goodall, da Silva, Daly, Jordaan, Kerwath, Kock, Mann, Murray, Albano, Cliff, dos Santos, Gennari, Hammerschlag, Bester-van der Merwe, Watson, Andreotti, Bernard, Cowley, De Vos, Drobniewska, Elston, Fallows, Rogers, Smith, van Staden, de Villiers, Paulet, Harris (2023) - Read this publication online
How continuing mortality affects recovery potential for prohibited sharks: The case of white sharks in South Africa

Bowlby, Hammerschlag, Irion, Gennari (2022) - Read this publication online
Active acoustic telemetry reveals ontogenetic habitat‑related variations in the coastal movement ecology of the white shark

Gennari, Irion, Cowley (2022) - Read this publication online
Fear at the top: killer whale predation drives white shark absence at South Africa’s largest aggregation site.

Towner, Watson, Kock, Papastamatiou, Sturup, Gennari, Baker, Booth, Dicken, Chivell, Elwen, Kaschke, Edwards and Smale (2022) - Read this publication online
Sex and Size Influence the Spatiotemporal Distribution of White Sharks, With Implications for Interactions With Fisheries and Spatial Management in the Southwest Indian Ocean

Kock, Lombard, Daly, Goodall, Meÿer, Johnson, Fischer, Koen, Irion, Gennari, Towner, Jewell, da Silva, Dicken, Smale, Photopoulou (2022) - Read this publication online
Reply to: Caution over the use of ecological big data for conservation

Queiroz, Humphries, ... Gennari .... Sims (2021) - Read this publication online
Reply to: Shark mortality cannot be assessed by fishery overlap alone.

Queiroz, Humphries, ... Gennari .... Sims (2021) - Read this publication online
Science alone won’t do It! South Africa’s endangered humpback dolphins Sousa plumbea face complex conservation challenges

Plön, Atkins, Cockcroft, Conry, Dines, Elwen, Gennari, Gopal, Gridley, Hörbst, James, Penry, Thornton,Vargas-Fonseca, Vermeulen (2021) - Read this publication online
Site fidelity and shallow genetic structure in the common smoothhound shark Mustelus mustelus confirmed by genetic and tag-recapture data.

Klein, Asbury, da Silva, Hull, Dicken, Gennari, Maduna, Bester-van der Merwe (2021) - Read this publication online
A shark's eye view: testing the 'mistaken identity theory' behind shark bites on humans.

Ryan, Slip, Chapuis, Collin, Gennari, Hemmi, How, Huveneers, Peddemors, Tosetto and Hart (2021) - Read this publication online
Perceptions of shark hazard mitigation at beaches implementing lethal and nonlethal shark control programs

Lucrezi, Gennari (2021) - Read this publication online
Physiological response to capture stress in endemic Southern African catsharks (Family Scyliorhinidae)

Scarponi, Gennari, Hughes (2021) - Read this publication online
Microsatellite development and detection of admixture among three sympatric Haploblepharus species (Carcharhiniformes: Scyliorhinidae) using newly developed microsatellite markers

van Staden, Gledhill, Gennari, McCord, Parkinson, Watson, Rhode, Bester-van der Merwe (2020) - Read this publication online
First observations of white sharks (Carcharodon carcharias) attacking a live humpback whale (Megaptera novaeangliae)

Dines, Gennari (2020) - Read this publication online
South African Cetacean Research

Seakamela, Hofmeyr, Vermeulen, Meyer, Olbers, Dicken, Thompson, Gennari, Atkins, Neveceralova, Versfeld, Penry, Harris, Findlay (2020)

2015 - 2019

Spatio-temporal genetic variation of juvenile smooth hammerhead sharks in South Africa

Kuguru, Gennari, Wintner, Dicken, Klein, Rhode, Bester-van der Merwe (2019) - Read this publication online
Using mark-recapture methods to estimate population size and survival of pyjama sharks Poroderma africanum in Mossel Bay, South Africa

Grusd, Moloney, Distiller, Watson, Cowley, Gennari (2019) - Read this publication online
A test of causative and moderator effects in human perceptions of sharks, their control and framing.

Lucrezi, Ellis, Gennari (2019) - Read this publication online
Antibiotic sensitivity of bacterial flora isolated from the oral cavities of live white sharks (Carcharodon carcharias) in South African waters

Gennari, Kock, Smale, Towner, Khan, Bester, Johnson, Fischer, Meÿer, Morse (2019) - Read this publication online
Global spatial risk assessment of sharks under the footprint of fisheries

Queiroz, Humphries, ... Gennari .... Sims (2019) - Read this publication online
Cape fur seals adjust traversing behaviour with lunar conditions in the high white shark density waters of Mossel Bay, South Africa

Morse, Mole, Bester, Johnson, Scacco, Gennari (2019) - Read this publication online
The effect of underwater sounds on shark behaviour

Chapuis, Collin, Yopak, McCauley, Kempster, Ryan, Schmidt, Kerr, Gennari, Egeberg, Hart (2019) - Read this publication online
Not all electric shark deterrents are made equal: Effects of a commercial electric anklet deterrent on white shark behaviour

Egeberg, Kempster, Hart, Ryan, Chapuis, Kerr, Schmidt, Gennari, Yopak, Collin (2019) - Read this publication online
Future Research Directions on the “Elusive” White Shark

Huveneers, .... Gennari, et al. (2019) - Download this publication
Performance and reliability of active acoustic biotelemetry to best track marine pelagic species in temperate coastal waters

Gennari, Johnson, Cowley (2018) - Read this publication online
DNA barcoding of chondrichthyans in South African fisheries

Kuguru, Maduna, da Silva, Gennari, Rhode, Bester-van der Merwe (2018) - Read this publication online
SA Western Indian Ocean Research Compendium

Paterson, Hermes, Bornman, Klarenbeek, Siko, Palmer (2018) - Download this publication
Evidence for sperm storage in common smoothhound shark Mustelus mustelus and paternity assessment in a single litter from South Africa

Maduna, Van Wyk, Da Silva, Gennari, Bester-Van Der Merwe (2018) - Read this publication online
Indian Ocean humpback dolphin (Sousa plumbea) movement patterns along the South African coast

Vermeulen, Bouveroux, Plön, Atkins, Chivell, Cockcroft, Conry, Gennari, Hörbst, James, Kirkman, Penry, Pistorius, Thornton, Vargas-Fonseca, Elwen (2018) - Read this publication online
Eﬀects of auditory and visual stimuli on shark feeding behaviour: the disco eﬀect

Ryan, Chapuis, Hemmi, Collin, McCauley, Yopak, Gennari, Huveneers, Kempster, Kerr, Schmidt, Egeberg, Hart (2017) - Read this publication online
Pessimistic assessment of white shark population status in South Africa: Comment on Andreotti et al. (2016).

Irion, Noble, Kock, Gennari, Dicken, Hewitt, Towner, Booth, Smale, Cliff (2017) - Read this publication online
How solitary are white sharks: social interactions or just spatial proximity?

Findlay, Gennari, Cantor, Tittensor (2016) - Download this publication
How Close is too Close? The Effect of a Non-Lethal Electric Shark Deterrent on White Shark Behaviour

Kempster , Egeberg , Hart, Ryan, Chapuis, Kerr, Schmidt, Huveneers, Gennari, Yopak, Meeuwig, Collin (2016) - Read this publication online
Biodiversity and studies of marine symbiotic siphonostomatoids off South Africa

Dippenaar (2016) - Read this publication online
Abundance and degree of residency of humpback dolphins Sousa plumbea in Mossel Bay, South Africa

James, Bester, Penry, Gennari, Elwen (2015) - Download this publication
Siphonostomatoid copepods infecting Squalus acutipinnis Regan, 1908 off South Africa

Dippenaar, Molele (2015) - Read this publication online

2010 - 2014

Spatial and seasonal patterns in sighting rate and life-history composition of the white shark Carcharodon carcharias at Mossel Bay, South Africa

Ryklief, Pistorius, Johnson (2014) - Download this publication
Fine scale movements and activity areas of white sharks (Carcharodon carcharias) in Mossel Bay, South Africa

Jewell, Johnson, Gennari, Bester (2013) - Download this publication
Accuracy of Using Visual Identification of White Sharks to Estimate Residency Patterns.

Delaney, Johnson, Bester, Gennari (2012) - Download this publication
Effects of Smart Position Only (SPOT) Tag Deployment on White Sharks Carcharodon carcharias in South Africa.

Jewell, Wcisel, Gennari, Towner, Bester, Johnson, Singh (2011) - Download this publication
Vagrant Southern Elephant Seal and Human Disturbance in Mossel Bay, South Africa.

Mertz & Bester (2011) - Download this publication
Distribution and abundance of humpback whales, Megaptera novaeangliae, off the coast of Mozambique.

Findlay, Meyer, Elwen, Kotze, Johnson, Truter, Uamusse, Sitoe, Wilke, Kerwath, Swanson, Staverees, Van Derwesthuizen (2011) - Download this publication
Using Static Acoustic Monitoring to Describe Echolocation Behaviour of Heaviside’s Dolphins (Cephalorhynchus heavisidii) in Namibia.

Leeney, Carslake, Elwen (2011) - Download this publication
Interactions between leatherback turtles and killer whales in Namibian waters, including possible predation.

Elwen & Leeney (2011) - Download this publication
Conservation Biology of Marine Mammals in the Southern African Sub-region.

Kirkman, Elwen, Pistorius, Thornton, Weir (2011) - Download this publication
Cetacean research in the southern African subregion: a review of previous studies and current knowledge.

Elwen, Findlay, Kiszka, Weir (2011) - Download this publication
The first African Marine Mammal Colloquium, South Africa.

Elwen, Thornton, Kirkman, Pistorius, Weir (2010) - Download this publication
Near-shore distribution of Heaviside’s (Cephalorhynchus heavisidii) and dusky dolphins (Lagenorhynchus obscurus) at the southern limit of their range in South Africa.

Elwen, Thornton, Reeb, Best (2010) - Download this publication
Injury and Subsequent Healing of a Propeller Strike Injury to a Heaviside Dolphin (Cephalorhynchus heavisidii).

Elwen & Leeney (2010) - Download this publication

2005 - 2009

Coastal swimming patterns of white sharks (Carcharodon carcharias) at Mossel Bay, South Africa.

Johnson, Bester, Dudley, Oosthuizen, Meÿer, Hancke, Gennari (2009) - Download this publication
Concordance of genetic and fin photo identification in the great white shark, (Carcharodon carcharias), of Mossel Bay, South Africa.

Gubili, Johnson, Gennari, Oosthuizen, Kotze, Meÿer, Sims, Jones, Noble (2009) - Download this publication
A population estimate of Heaviside's dolphins (Cephalorhynchus heavisidii) in the southern end of their range.

Elwen, Reeb, Thornton, Best (2009)
Impact of shark-feeding tourism on surrounding fish populations off Moorea Island (French Polynesia).

Vignon, Sasal, Johnson, Galzin (2009)
Encounters between white sharks and Cape fur seals in a shallow channel.

Johnson, Keswick, Bester, Oosthuizen (2008) - Download this publication
Effects of pingers on the behaviour of bottlenose dolphins.

Leeney, Berrow, McGrath, Cosgrove (2007)
First age and growth estimates in the deep water shark, (Etmopterus spinax) (Linnaeus, 1758), by deep coned vertebral analysis.

Gennari & Scacco (2007) - Download this publication
The Morphological characteristics, behaviour and ecology of (Psammobates oculiferus).

Keswick (2007)
An assessment of dolphins in The Gambia.

Leeney, Dia, Touray (2007)
Range and movements of a nearshore delphinid, Heaviside's dolphin (Cephalorhynchus heavisidii) a determined from satellite telemetry.

Elwen, Meÿer, Best, Kotze, Thornton, Swanson (2006)
Proceedings of the workshop: Static Acoustic Monitoring of Cetaceans, held at the 20th Annual Meeting of the European Cetacean Society, Gdynia, Poland.

Leeney & Tregenza (2006)
White shark abundance: not a causative factor in numbers of shark bite incidents.

Kock, Johnson, Bester, Compagno, Cliff, Dudley, Gennari, Griffiths, Kotze, Laroche, Meyer, Oosthuizen, Swanson (2006) - Download this publication
Seabird predation by white shark, (Carcharodon carcharias), and Cape fur seal, (Arctocephalus pusillus pusillus), at Dyer Island.

Johnson, Venter, Bester, Oosthuizen (2006) - Download this publication
Is there a relationship between white shark presence and the management of city estuaries and river mouths?

Oelofse, Kock, Johnson, Haskins (2006) - Download this publication
South Africa’s White Shark cage-diving industry - is their cause for concern?

Johnson, Kock, Bester, Compagno, Dudley, Griffiths, Keswick, Kotze, Laroche, Meyër, Oosthuizen, Swanson, Jacobs (2006) - Download this publication
Range and Movements of female heaviside Dolphins (Cephalorhynchus heavisidii), as determined by Satellite-linked technology.

Elwen, Meyer, Best, Kotze, Thornton, Swanson (2006)
Transoceanic migration, long-distance return migration and local movement patterns in the great white shark.

Bonfil, Meyer, Scholl, Johnson, O´Brian, Oosthuizen, Swanson, Kotze, Patterson (2005) - Download this publication

1996 - 2004

Environmental factors influencing the distribution of southern right whales (Eubalaena australis) on the south coast of South Africa I: Broad scale patterns.

Elwen & Best (2004)
Are there reproductive benefits to southern right whale females (Eubalaena australis) associated with their coastal distribution off South Africa?

Elwen & Best (2004)
Habitat utilization of the white shark in South Africa, using acoustic telemetry.

Johnson, Oosthuizen, Bester, Meyer, Swanson, Kotze (2004)
Behavioural ecology of the white shark (Carcharodon carcharias) at Dyer Island, South Africa.

Johnson (2003)
Rodent induced damage to a pine plantation: a southern African case study.

Ferguson, Van Jaarsveld, Johnson, Bredenkamp, Foord, Britz (2003)
BENEFIT project: "Monitoring and evaluation of Cape fur seals in Southern Africa in relation to commercial fishery operations".

Olsen, Mauritzen, Kirkman, Oosthuizen, Mukapuli, Meyer, Kleophas, Swanson (2002)
The effect of afforestation fragmentation on small mammal assemblages at Groenvaly grasslands.

Johnson, Ferguson, Van Jaarsveld, Chimimba, Bronner (2002)
Suture age as an indicator of physiological age in male Cape fur seal, Arctocephalus pusillus pusillus (Pinnipedia: Otariidae).

Stewardson, Prvn, Meyer, Swanson (2001)
Vertebral ageing study, in Etmopterus spinax (Linnaeus, 1758) in central Mediterranean sea.

Gennari (1996)
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2020-2024

Uncertainty remains for white sharks in South Africa, as population stability and redistribution cannot be concluded by Bowlby et al.(2023):“Decline or shifting distribution? a first regional trend assessment for white sharks (Carcharodon carcharias) in South Africa.

Further insights into killer whales Orcinus orca preying on white sharks Carcharodon carcharias in South Africa.

Looking into the prevalence of bycatch juveniles of critically endangered elasmobranchs: a case study from pelagic longline and trammel net fisheries of the Asinara Gulf (western Mediterranean).

Short-term effects of standard procedures associated with surgical transmitter implantation on a benthic shark species requiring anaesthesia

Stakeholders’ perceptions of the conservation and management of elasmobranchs in South Africa

Molecular Taxonomy of South Africa’s Catsharks: How Far Have We Come?

A systematic conservation plan identifying critical areas for improved chondrichthyan protection in South Africa

How continuing mortality affects recovery potential for prohibited sharks: The case of white sharks in South Africa

Active acoustic telemetry reveals ontogenetic habitat‑related variations in the coastal movement ecology of the white shark

Fear at the top: killer whale predation drives white shark absence at South Africa’s largest aggregation site.

Sex and Size Influence the Spatiotemporal Distribution of White Sharks, With Implications for Interactions With Fisheries and Spatial Management in the Southwest Indian Ocean

Reply to: Caution over the use of ecological big data for conservation

Reply to: Shark mortality cannot be assessed by fishery overlap alone.

Science alone won’t do It! South Africa’s endangered humpback dolphins Sousa plumbea face complex conservation challenges

Site fidelity and shallow genetic structure in the common smoothhound shark Mustelus mustelus confirmed by genetic and tag-recapture data.

A shark's eye view: testing the 'mistaken identity theory' behind shark bites on humans.

Perceptions of shark hazard mitigation at beaches implementing lethal and nonlethal shark control programs

Physiological response to capture stress in endemic Southern African catsharks (Family Scyliorhinidae)

Microsatellite development and detection of admixture among three sympatric Haploblepharus species (Carcharhiniformes: Scyliorhinidae) using newly developed microsatellite markers

First observations of white sharks (Carcharodon carcharias) attacking a live humpback whale (Megaptera novaeangliae)

South African Cetacean Research

2015 - 2019

Spatio-temporal genetic variation of juvenile smooth hammerhead sharks in South Africa

Using mark-recapture methods to estimate population size and survival of pyjama sharks Poroderma africanum in Mossel Bay, South Africa

A test of causative and moderator effects in human perceptions of sharks, their control and framing.

Antibiotic sensitivity of bacterial flora isolated from the oral cavities of live white sharks (Carcharodon carcharias) in South African waters

Global spatial risk assessment of sharks under the footprint of fisheries

Cape fur seals adjust traversing behaviour with lunar conditions in the high white shark density waters of Mossel Bay, South Africa

The effect of underwater sounds on shark behaviour

Not all electric shark deterrents are made equal: Effects of a commercial electric anklet deterrent on white shark behaviour

Future Research Directions on the “Elusive” White Shark

Performance and reliability of active acoustic biotelemetry to best track marine pelagic species in temperate coastal waters

DNA barcoding of chondrichthyans in South African fisheries

SA Western Indian Ocean Research Compendium

Evidence for sperm storage in common smoothhound shark Mustelus mustelus and paternity assessment in a single litter from South Africa

Indian Ocean humpback dolphin (Sousa plumbea) movement patterns along the South African coast

Eﬀects of auditory and visual stimuli on shark feeding behaviour: the disco eﬀect

Pessimistic assessment of white shark population status in South Africa: Comment on Andreotti et al. (2016).

How solitary are white sharks: social interactions or just spatial proximity?

How Close is too Close? The Effect of a Non-Lethal Electric Shark Deterrent on White Shark Behaviour

Biodiversity and studies of marine symbiotic siphonostomatoids off South Africa

Abundance and degree of residency of humpback dolphins Sousa plumbea in Mossel Bay, South Africa

Siphonostomatoid copepods infecting Squalus acutipinnis Regan, 1908 off South Africa

2010 - 2014

Spatial and seasonal patterns in sighting rate and life-history composition of the white shark Carcharodon carcharias at Mossel Bay, South Africa

Fine scale movements and activity areas of white sharks (Carcharodon carcharias) in Mossel Bay, South Africa

Accuracy of Using Visual Identification of White Sharks to Estimate Residency Patterns.

Effects of Smart Position Only (SPOT) Tag Deployment on White Sharks Carcharodon carcharias in South Africa.

Vagrant Southern Elephant Seal and Human Disturbance in Mossel Bay, South Africa.

Distribution and abundance of humpback whales, Megaptera novaeangliae, off the coast of Mozambique.

Using Static Acoustic Monitoring to Describe Echolocation Behaviour of Heaviside’s Dolphins (Cephalorhynchus heavisidii) in Namibia.

Interactions between leatherback turtles and killer whales in Namibian waters, including possible predation.

Conservation Biology of Marine Mammals in the Southern African Sub-region.

Cetacean research in the southern African subregion: a review of previous studies and current knowledge.

The first African Marine Mammal Colloquium, South Africa.

Near-shore distribution of Heaviside’s (Cephalorhynchus heavisidii) and dusky dolphins (Lagenorhynchus obscurus) at the southern limit of their range in South Africa.

Injury and Subsequent Healing of a Propeller Strike Injury to a Heaviside Dolphin (Cephalorhynchus heavisidii).

2005 - 2009

Coastal swimming patterns of white sharks (Carcharodon carcharias) at Mossel Bay, South Africa.

Concordance of genetic and fin photo identification in the great white shark, (Carcharodon carcharias), of Mossel Bay, South Africa.

A population estimate of Heaviside's dolphins (Cephalorhynchus heavisidii) in the southern end of their range.

Impact of shark-feeding tourism on surrounding fish populations off Moorea Island (French Polynesia).

Encounters between white sharks and Cape fur seals in a shallow channel.

Effects of pingers on the behaviour of bottlenose dolphins.

First age and growth estimates in the deep water shark, (Etmopterus spinax) (Linnaeus, 1758), by deep coned vertebral analysis.

The Morphological characteristics, behaviour and ecology of (Psammobates oculiferus).

An assessment of dolphins in The Gambia.

Range and movements of a nearshore delphinid, Heaviside's dolphin (Cephalorhynchus heavisidii) a determined from satellite telemetry.

Proceedings of the workshop: Static Acoustic Monitoring of Cetaceans, held at the 20th Annual Meeting of the European Cetacean Society, Gdynia, Poland.

White shark abundance: not a causative factor in numbers of shark bite incidents.

Seabird predation by white shark, (Carcharodon carcharias), and Cape fur seal, (Arctocephalus pusillus pusillus), at Dyer Island.

Is there a relationship between white shark presence and the management of city estuaries and river mouths?

South Africa’s White Shark cage-diving industry - is their cause for concern?

Range and Movements of female heaviside Dolphins (Cephalorhynchus heavisidii), as determined by Satellite-linked technology.

Transoceanic migration, long-distance return migration and local movement patterns in the great white shark.

1996 - 2004

Environmental factors influencing the distribution of southern right whales (Eubalaena australis) on the south coast of South Africa I: Broad scale patterns.

Are there reproductive benefits to southern right whale females (Eubalaena australis) associated with their coastal distribution off South Africa?

Habitat utilization of the white shark in South Africa, using acoustic telemetry.