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A former Bowen State High School student is making waves in the scientific world, developing a revolutionary way to track one of the ocean's most invisible threats.
Dr Scott Morrissey, a member of the Bowen State High School Class of 2013, recently achieved his PhD at James Cook University. His research uses "environmental DNA" (eDNA)—tiny genetic traces left in the water—to detect the presence of deadly Australian box jellyfish (Chironex fleckeri).
For Principal Rob Harris, Scott’s success comes as no surprise. Mr Harris, who taught Scott in Year 11 and 12 Biology, remembers a student with a clear drive.
"Scott was an incredibly focused student who always had a keen interest in biology," Mr Harris shared.
"It has been wonderful to follow his journey over the past 12 years. His (Scott’s) parents always keep me updated on what he is studying and where he is in the world."
In his thesis acknowledgements, Dr Morrissey concluded - “Finally, I would like to thank my family – Mum, Dad, Dylan, Joshua, and of course my sidekick Percy. Your unwavering support and encouragement have kept me grounded and driven. Thank you for believing in me and for supporting me every step of the way.”
After graduating from Bowen, Scott completed a Bachelor of Science with Honours, a path that allowed him to travel the world while pursuing his passion for marine life. His doctoral research finally solved a long-standing mystery: where box jellyfish come from.
By testing just two litres of seawater, Scott’s method can detect the jellyfish during their ‘polyp’ stage—the stationary phase before they become mobile stingers. His findings revealed that these jellyfish are ‘homebodies’ that stay within specific bays rather than drifting along the coast, a discovery that will vastly improve how local beaches manage stinger risk.
For the Bowen State High School community, Scott’s journey represents a core mission.
"This connection with the community is what Bowen SHS is all about," Mr Harris added.
"Strengthening relationships and embracing opportunities to ensure students realise their full potential and are prepared for all things."
With his PhD now complete, Dr Morrissey’s work stands as a testament to how a passion sparked in a local classroom can lead to world-first discoveries that protect swimmers across the coastline.
Dr Morrissey’s paper can be accessed via: https://researchonline.jcu.edu.au/89811/2/JCU_89811_Morrissey_2024_thesis.pdf
Contributed with thanks to Robert Harris.
Captions
Scott Morrissey attended Bowen State High School and recently completed his PHD. Photo supplied
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