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A large, live swimming crab, Portunus sanguinolentus entrapped inside the bottle. (Hajime Sato / Hiroshima University)
02 Jul 2026
Hiroshima University
How did a large crab end up trapped inside a plastic bottle with an opening smaller than its body? Hiroshima University researchers investigated this unusual marine mystery, revealing a lesser-known impact of marine plastic pollution on crustaceans.