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Red Planaria (Convolutriloba retrogemma)
Rust-Brown Flatworms / Red Planaria are common nuisance flatworms that multiply fast in low-flow areas …
Bobbit Worm (Eunice aphroditois)
Bobbit worms are rare but notorious ambush predators that hide deep in rock or sand …
Bearded Fireworm (Hermodice carunculata)
Bearded fireworms are predatory, stinging polychaetes that can damage corals and eat inverts, and they’re …
Bristleworms (Eurythoe spp.)
Bristleworms are common reef hitchhikers that usually help clean detritus, but large individuals and certain …
Lymphocystis (Lymphocystivirus)
Lymphocystis is a stress-linked viral condition that causes cauliflower-like nodules on fins or skin and …
Marine Leeches (Piscicolidae; e.g., Trachelobdella spp.)
Marine leeches are external parasites that attach to fish and cause wounds, stress, and sometimes …
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Waminoa Coral Flatworms (Waminoa spp.)
Waminoa are small flatworms that sit on coral tissue and …
Vermetid Snails (Vermetidae spp.)
Vermetid snails are tube-dwelling pests that spread on rock and …
Uronema (Uronema marinum)
Uronema is an opportunistic protozoan that can cause rapid tissue …
Brooklynellosis (Brooklynella hostilis)
Brooklynella is a common clownfish-associated parasite that causes heavy mucus, …
Marine Velvet (Amyloodinium ocellatum)
Marine velvet is a fast-killing parasite that attacks gills and …
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