Mark Collins

Dr. Mark Ryan Collins, Ph.D., a marine biologist and devoted father, passed away on June 19, 2025, after an extended illness. He was 69. Born in Melbourne, Florida on January 4, 1956, to the late Marie Mock Collins and Marvin Bobby Collins, Mark moved with his family to Anderson, South Carolina during his high school years and lived on James Island for the last 40 years of his life.

He is survived by his two exceptional sons, Travis Collins (Dafne) and Bradley Collins (Leigh); his fiancée of 14 years, Roslyn Harris; and his four adorable grandchildren, Benedetta, Luca, Finn, and one on the way. He also leaves behind extended family and friends. Mark was preceded in death by his parents and his sister, Marcia Collins Wood.

Mark earned his B.S. in Marine Science from the University of South Carolina in 1978, magna cum laude, and was awarded a Phi Beta Kappa key for academic excellence. He went on to complete both his M.S. and Ph.D. in Zoology at the University of Florida by 1984.

He spent most of his career with the South Carolina Department of Natural Resources at the Marine Resources Research Institute, contributing significantly to the study and conservation of numerous fish species, including sturgeon and red drum. He authored or co-authored over 40 peer-reviewed scientific publications and delivered numerous invited lectures. Mark was a Certified Fisheries Scientist and a Fellow of the American Institute of Fishery Research Biologists, was involved in national and regional advisory teams, and held leadership roles in several professional organizations.

Mark’s work supported marine conservation efforts and informed fisheries practices. Even after retiring in 2005, he remained involved in research, including an investigation of the ecological impact of harbor dredging in Charleston.

An avid diver, fisherman, hunter, and outdoorsman, Mark spent much of his free time in nature—on the water or in the woods. He also held black belts in martial arts and taught karate for over 20 years. A long-time member of the James Island Yacht Club, Mark found joy in community and the natural world alike.

Mark's family would like to thank the doctors, nurses, and staff at Hollings Cancer Center for their care and compassion.

In lieu of flowers, memorial contributions may be made to the charity of your choice.

Expressions of sympathy may be viewed or submitted at www.mcalister-smith.com.

Funeral arrangements have been entrusted to McAlister-Smith Funeral and Cremation – James Island, 347 Folly Road, Charleston, SC 29412, 843-614-8494.