
The yellow sac under this European green crab is a parasitic, castrating barnacle that normally helps keep the creature's population in check. Photograph courtesy of Todd Huspeni.
Discover how the European green crab is affected by a parasitic barnacle that could aid in crab population control.
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The yellow sac under this European green crab is a parasitic, castrating barnacle that normally helps keep the creature's population in check. Photograph courtesy of Todd Huspeni.
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