Brain coral (Diploria labyrinthiformis) overgrown and smothered by the lavender branching sponge Aplysina cauliformis. Joseph Pawlik, UNCW It sounds like the plot of a B-movie, but researchers have determined that sponges in over-fished areas are using deadly tactics — such as smothering and toxic mucus — to kill coral colonies so that the sponges can […]
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