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- Vet Q & A
Why isn't my flower horn fish eating after tank and water changes?
This is a quite generic but concerning presentation. Begin by submitting a water sample for quality testing. Most pet stores will do this for free or a nominal fee. Clinical examination should always include a water quality check, even if you have done so already. Water testing should be performed with a quality test kit, measuring NH4, NO2 and NO3. High ammonia levels, PH imbalances may be responsible for these signs. Oxygen concentration and quality of the filters should be determined as well. If water quality is good and there are no major imbalances, your fish should get examined to look for any sign of bacterial/fungal infection and eventually water should be treated. Hope this answer was helpful, but please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further. If this answer was helpful please let us know, this will be used to improve our service!
Updated on September 24th, 2025
- Vet Q & A
What's the best food for my Rosaline Sharks, Congo Tetras, and Pleco?
The Sharks and Tetras can eat a high quality flake food every day. Brine shrimp (either live or frozen) and blood worms can also be offered. Tetra and Hikari are my own recommendations. The Pleco can eat fresh greens or vegetables. Remove any uneaten food after 24 hours to prevent fouling the water. Sinking wafers or pellets can also be offered.
Updated on September 24th, 2025
- Vet Q & A
Why are my fish still sick after velvet treatment, and tank has algae?
Thanks for reaching out. Have you tested water quality for pH, ammonia, nitrite and nitrate. Correct problems. Don't see any signs of external lesion on the pictures, except fine erosion, and possible gravid fish. A veterinary visit is probably needed to trouble shoot for disease. Randomly adding chemicals to the water could have detrimental effects. Good luck.
Updated on September 24th, 2025
- Training & Behavior
My new betta fish won't eat his pellets. Why is he spitting them out?
Hello, I recommend checking water quality parameters first for any fish displaying abnormal behavior. For starters, I'd recommend keeping your fish in a larger tank as it is much easier to keep the water clean over time. This website is a good reference for basic betta fish care: https://bettafish.org/care/ I hope this helps. Thanks for using PetCoach.
Updated on September 24th, 2025
- Vet Q & A
What to do if my Oscar fish is lying low and not eating?
These are quite concerning but generic signs. The approach must be logic but quite radical at the same time. Begin by submitting a water sample for quality testing. Most pet stores will do this for free or a nominal fee. Clinical examination should always include a water quality check, even if you have done so already. Water testing should be performed with a quality test kit, measuring NH4, NO2 and NO3. High ammonia levels, PH imbalances may be responsible for these signs. Oxygen concentration and quality of the filters should be determined as well. If water quality is good and there are no major imbalances, your fish should get examined to look for any sign of bacterial/fungal infection and eventually water should be treated. Hope this answer was helpful, but please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further.
Updated on September 24th, 2025
