David Tickler

PhD candidate


Centre for Marine Futures
School of Biological Sciences
& UWA Oceans Institute
University of Western Australia M092
35 Stirling Hwy, Crawley, WA 6009

Email | Phone

Latest tweets

  • Killer grannies are good for society (if you're a resident orca in British Columbia). ,
  • RT : Reform of distant water fishing would ensure the long-term sustainability of commercial fishing, help tackle illegal activity and improve the seafood supply chain. Read more: ,
  • RT : It’s not just the nutrient content of fish that makes them nutritionally vital, it’s the high bioavailability and synergistic effects they have on nutrient availability in the whole meal. Shakuntala Thilsted serves up a nourishing talk @faofish,

PhD title: Species vulnerability and fisher decision making in illegal shark fisheries in the Indian Ocean

Start date: 1 June, 2015

I am investigating how spatial ecology and population genetics impact the exposure and vulnerability of sharks to illegal fishing on Indian Ocean reefs, and how social, economic and legal factors affect the scale and range of the fishing effort in these locations. The study will use a combination of ecological tools (fine- and broad-scale movement tracking and population genetics), fisheries data collection at landing sites, and interviews with fishers and other actors to collect data on both the ecology of reef shark species and the fisheries that target them.

The spatial ecology and genetic studies will help understand the role of large MPAs such as Chagos in providing a refuge to reef shark species, and its wider role for these species in the Indian Ocean based on the connectivity (or lack thereof) between sub-populations. The study of illegal fishing aims to help quantify the magnitude of illegal fishing in a large oceanic MPA, identify the key drivers of this activity, and suggest points of engagement with regional stakeholders that will reduce illegal fishing effort.

  • Publications
  • Grants & Awards
  • Collaborations
  • Media

Tickler D, Carlisle AB, Chapple TK, Curnick DJ, Dale JJ, Schallert RJ, Block BA. 2019. Potential detection of illegal fishing by passive acoustice telemetryAnimal Biotelemetry, 7:1


Tickler DMeeuwig JJ, Bryant K, David F, Forrest JAH, Gordon E, Larsen JJ, Oh B, Pauly D, Sumaila UR, Zeller D. 2018. Modern slavery and the race to fishNature Commnunications, 9: 4643

Tickler D, Meeuwig JJ, Palomares ML, Pauly D, Zeller D. 2018. Far from home: Distance patterns of global fishing fleetsScience Advances, 4(8): eaar3279. .


Tickler DM, Letessier TB, Koldewey HJ, Meeuwig JJ. 2017. Drivers of abundance and spatial distribution of reef-associated sharks in an isolated atoll reef system. PloS ONE, 12(5): e0177374.


Bertarelli Foundation – Research Grant

Dr. Heather Koldewey & David Curnick  – Zoological Society of London

Prof. Barbara Block, Dr. Aaron Carlisle, Dr. Taylor Chapple, Dr. John Dale – Stanford University, Hopkins Marine Station


Bertarelli Foundation Chagos expedition https://vimeo.com/84571591

Bertarelli Foundation – Tagging sharks in Chagos https://www.youtube.com/watch?v=DeglCGaXfLk