Entrapment in plastic debris endangers hermit crabs

Plastic debris on Henderson Island and the Cocos (Keeling) Islands poses a severe threat to strawberry hermit crabs, with an estimated 61,000 and 508,000 crabs becoming entrapped annually on these islands. The study highlights that beach debris creates significant barriers for crabs during their daily activities, leading to mass mortality. This research underscores the urgent need to understand the link between debris interactions and population persistence, as hermit crabs play a crucial role in maintaining tropical ecosystems. The findings suggest that accumulating plastic debris could seriously impact crab populations globally, with implications for countless other islands where crabs and debris overlap.

Lavers, J. L., Sharp, P. B., Stuckenbrock, S., & Bond, A. L. (2020). Entrapment in plastic debris endangers hermit crabs. Journal of Hazardous Materials, 387, 121703. https://doi.org/10.1016/j.jhazmat.2019.121703