Fish suffering from swim bladder disorder exhibit a variety of symptoms that primarily involve buoyancy including sinking to the bottom or floating at the top of the tank floating upside down or on their sides or struggling to maintain a normal position Sometimes after a huge water change that s done at once 40 to 50 the fish will start to breathe heavily and swim upside-down. The Complete Oscar Fish Care Guide Types Diet Tank Mates January 11 2019 Robert Freshwater Fish 19 Oscars are infamous for their aggression which is hard to imagine since they swim so gracefully but they prove that looks can be deceiving.

If your fish experiences upside-down swimming after a water change this can be a good sign for environmental stress.

Oscar fish Even if it s only one fish displaying the symptoms it s a strong confirmation of stress. Ammonia nitrite will sicken kill your fish. Start with purchasing the ammonia nitrite tests. When you have more funds you can purchase the nitrate ph tests. Or at the very least take samples of both your tap water tank water to be tested at your lfs.

Write these numbers down let us know what they read we can better advise you. If there are visible signs such as bloating swimming upside down tail or fin rot the fish might have a parasitic infection if so got to a local pet store and look for anti parasite medicine another good idea is to get aquarium salt for fresh water fish that could be found at a local pet store it helps reduce stress for the fish.

Oscar Parrot Koi Fish Swimming In Exotic Aquarium. Stock
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