Dr.Alyssa Marshell


Alyssa Marshell, Ph.D

Assistant Professor

Phone   +(968) 2414 3672

Fax       +(968) 2441 3418

Room      009 (Marine Research Lab)

Email      alyssa@squ.edu.om



  • Doctor of Philosophy (Marine Ecology)                         November 2014           
  • Master of Science (Marine Ecology)                               May 2010
  • Bachelor of Science (Marine Biology)                            March 2003




Expertise and Experience


Current - SQU

  • MASF3100 - Marine Tourism (Fall 2016)
  • MASF4042 – Fisheries Biology (Fall 2016)
  • MASF3053 - Marine Vertebrate Zoology (Spring 2016)
  • MASF4001 – Critical reading and scientific writing (Spring 2016)


Past – University of Queensland, Brisbane Australia

  • School of Biological Sciences Undergraduate and Post Graduate Courses Teaching Assistant: Ecology, Coral Reefs, Marine Vertebrates, Australia’s Marine Environments, International Programs (Stanford University and University of California Field Trips), Tropical Coastal Ecosystems Massive Online Open Course (MOOC).


Current – SQU
  • MASF3100 - Marine Tourism (Fall 2016)
  • MASF4042 – Fisheries Biology (Fall 2016)
  • MASF3053 - Marine Vertebrate Zoology (Spring 2016)
  • MASF4001 – Critical reading and scientific writing (Spring 2016)


  • 2016 – Ms. Sabrina Al Ismaili, Sultan Qaboos University (MSc Primary Supervisor)
  • 2016 – Mr. Mohamed Al-Wahaibi, Sultan Qaboos University (MSc Co-supervisor)
  • 2016 – Ms. Laura Puk, University of Queensland, Australia (PhD Co-supervisor)

  • 2016 – Ms. Thea Bradford, University of Queensland, Australia (BSc final project)
  • 2015 – Mr. Noam Altman-Kurosaki, Princeton University, USA (BSc Honors)
  • 2014 – Ms. Sarah Waszkewitz, Princeton University, USA (BSc Honors)




  1. Marshell A, Harborne A, Doropoulos C, Mumby PJ (in review) Grazing fishes impact on coral reef macroalgal recruitment and adult distribution patterns. Ecology (Impact Factor 5.521)
  2. Marshell A, Chollett I, Bozec YM, Mumby PJ (in review) The balance between fish grazing and algal turf dynamics on coral reefs: a grazing simulation model. Marine Ecology Progress Series (Impact Factor 2.64)
  3. Ford AK, Marshell A, Bejarano S, Mumby PJ (2016) Managing the exploitation of key herbivorous unicornfish in the Pacific. Aquatic Conservation: Marine and Freshwater Ecosystems (Impact Factor 2.136)
  4. Marshell A, Mumby PJ (2015) The role of surgeonfish (Acanthuridae) in maintaining algal turf biomass on coral reefs. Journal of Experimental Biology and Ecology (Impact Factor 2.475) 473: 152-160
  5. Rogers A, Harborne AR, Brown CJ, Bozec Y-M, Castro C, Chollett I, Hock K, Knowland C, Marshell A, Ortiz JC, Razak T, Roff G, Samper-Villarreal J, Saunders M, Wolff N, Mumby PJ (2014) Anticipative management for coral reef ecosystem services in the 21st century. Global Change Biology (Impact Factor 8.224) 21(2): 504-514
  6. Taylor, BM, Rhodes KL, Marshell A, McIlwain J (2014) Age-based demographic and reproductive assessment of orangespine Naso lituratus and bluespine Naso unicornis, unicornfishes. Journal of Fish Biology (Impact Factor 1.734) 85(3): 901-916
  7. Hartup, JA, Marshell A, Stevens G, Kottermair M, Carlson P. (2013) Manta alfredi target multispecies surgeonfish spawning aggregations. Coral Reefs Reef Site (Impact Factor 3.623) doi: 10.​1007/​s00338-013-1022-4
  8. Marshell A, Mumby PJ (2012) Revisiting the functional roles of the surgeonfish Acanthurus nigrofuscus and Ctenochaetus striatusCoral Reefs (Impact Factor 3.623) 31(4): 1093-1101
  9. Doropoulos C, Ward S, Marshell A, Diaz-Pulido G, Mumby PJ (2012) Interactions among chronic and acute impacts on coral recruits: the importance of size-escape thresholds. Ecology (Impact Factor 5.521) 93: 2131-2138
  10. Marshell, A, Mills, JS, Rhodes, KL, McIlwain, J (2011) Passive acoustic telemetry reveals highly variable home range and movement patterns among unicornfish within a marine reserve. Coral Reefs (Impact Factor 3.623) 30(3): 631-642


Marine ecology; Fish biology and ecology; Fisheries biology, ecology and management; Climate change and the tropicalisation of marine temperate environments; Marine Reserve Design and Effectiveness; Marine Conservation and Management


Professional Memberships
  • Australian Coral Reef Society (2010 – Current)
               - Volunteer Council Member: June 2012 – April 2014
  • Australian Research Council Centre of Excellence for Coral Reef Studies (2010 – 2015)
               - University of Queensland Postgraduate Student Representative (2011 – 2013)
Reviewer Responsibilities
Reviewer for the following journals: Conservation Biology, Coral Reefs, PloS One, Marine Ecology Progress Series, Fishery Bulletin, Journal of Experimental Marine Biology and Ecology, Fisheries Research, Environmental Biology of Fishes, Marine Environmental Research, Marine Biology.