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Flukes:
Symptoms - Flukes are parasitic flatworms which harbor mainly inside the gills. Physical evidence of flukes is usually not visible; however at least one genus likes to target the face & eyes, so you may notice visible symptoms in those areas. Behavioral symptoms such as yawning, head twitching, scratching (targeting the gill area) and lethargy are much more common. As the disease progresses, the worms move to the eyes, and this is when you may see visible symptoms (cloudy eyes). However, you can confirm the presence of flukes at any time by performing a freshwater dip. At around the 3-4 minute mark, you will see tiny white worms fall out of a fish (especially out of the gills) if a fish has flukes. The worms will settle to the bottom, so you can use a flashlight to look for them there as well. A dark/black bucket is preferred for the freshwater dip, as that makes the white flukes easier to see.
Treatment options - Prazipro. Performing a freshwater dip will provide temporary relief, but two rounds of Prazipro (5-7 days apart) is usually required to eradicate flukes. Formalin may be used as an alternative treatment.
Prazipro (praziquantel): Treats flukes, black ich, and some internal parasites (worms).
How To Treat - In either a quarantine or display tank, dose Prazipro at the rate of 1 teaspoon per 20 gallons of water. DO NOT OVERDOSE (especially with wrasses), try not to mix with other medications (for various reasons), and provide additional gas exchange while treating with Prazi. Wait 5-7 days, do a 20-25% water change and then repeat dosage. The reason for the second dose is to eradicate the “next generation” of worms before they can lay eggs of their own. Because while Prazi does kill worms, it doesn’t eliminate any eggs they might leave behind.
Prazipro is generally considered reef safe, although it may kill any tube worms/feathers dusters you have. It may also eradicate bristle worms. If you have mass quantities of these, the resulting die-off can lead to an ammonia spike. After treatment is done, activated carbon may be used to remove any residuals (if you need to use a different medication next). If using a protein skimmer post-treatment, be advised that it will “over skim” for at least a couple of weeks.
Pros - Reef safe, effective dewormer that is relatively gentle on most fish.
Cons/Side Effects - Mild appetite suppression, moderate oxygen depletion, wrasses are sensitive to overdosing.
Symptoms - Flukes are parasitic flatworms which harbor mainly inside the gills. Physical evidence of flukes is usually not visible; however at least one genus likes to target the face & eyes, so you may notice visible symptoms in those areas. Behavioral symptoms such as yawning, head twitching, scratching (targeting the gill area) and lethargy are much more common. As the disease progresses, the worms move to the eyes, and this is when you may see visible symptoms (cloudy eyes). However, you can confirm the presence of flukes at any time by performing a freshwater dip. At around the 3-4 minute mark, you will see tiny white worms fall out of a fish (especially out of the gills) if a fish has flukes. The worms will settle to the bottom, so you can use a flashlight to look for them there as well. A dark/black bucket is preferred for the freshwater dip, as that makes the white flukes easier to see.
Treatment options - Prazipro. Performing a freshwater dip will provide temporary relief, but two rounds of Prazipro (5-7 days apart) is usually required to eradicate flukes. Formalin may be used as an alternative treatment.
Prazipro (praziquantel): Treats flukes, black ich, and some internal parasites (worms).
How To Treat - In either a quarantine or display tank, dose Prazipro at the rate of 1 teaspoon per 20 gallons of water. DO NOT OVERDOSE (especially with wrasses), try not to mix with other medications (for various reasons), and provide additional gas exchange while treating with Prazi. Wait 5-7 days, do a 20-25% water change and then repeat dosage. The reason for the second dose is to eradicate the “next generation” of worms before they can lay eggs of their own. Because while Prazi does kill worms, it doesn’t eliminate any eggs they might leave behind.
Prazipro is generally considered reef safe, although it may kill any tube worms/feathers dusters you have. It may also eradicate bristle worms. If you have mass quantities of these, the resulting die-off can lead to an ammonia spike. After treatment is done, activated carbon may be used to remove any residuals (if you need to use a different medication next). If using a protein skimmer post-treatment, be advised that it will “over skim” for at least a couple of weeks.
Pros - Reef safe, effective dewormer that is relatively gentle on most fish.
Cons/Side Effects - Mild appetite suppression, moderate oxygen depletion, wrasses are sensitive to overdosing.