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Discovery
Life on a Coral Reef: Insult Is (Sometimes) Added to Injury

Giant barrel sponges off Little Cayman Island in the Caribbean dwarf researchers.
Credit: Joe Pawlik, UNCW
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Scientists research chemical defenses in tube sponges off Little Cayman Island.
Credit: Joe Pawlik, UNCW
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Predatory fish prevent orange sponges from smothering corals.
Credit: Joe Pawlik, UNCW
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A sponge growth experiment underway on Conch Reef, Key Largo, Fla.
Credit: Joe Pawlik, UNCW
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A gray tube sponge with "bite marks" from angelfish off Grand Cayman Island.
Credit: Joe Pawlik, UNCW
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Reef-building corals overgrown by orange sponges on an overfished reef off Martinique.
Credit: Joe Pawlik, UNCW
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