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[0] Crustacea [1] Anchor Worms (Lernaea) [2] Gray to white worm-like parasites attached to the fish's skin [4] Avoid adding the water from the bag of new fish into your aquarium, and discard the water in the fish bag. Quarantine new fish before adding them to your aquarium in a separate isolation tank. [3] 
Remove visible parasites with tweezers. Add Dimilin or Trichlorfon to water.
Diagnosing Fish Ailments: How To Analyze and Treat Problems. | PetSmart
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