Fish Aquarium
Expert reviews, guides, and care articles in Fish Aquarium. By licensed veterinarians and certified pet professionals.
Guides & Articles (65)
Why is my angelfish fading in color
Angelfish lose color due to stress, poor water quality, diet deficiencies, disease, or genetics. Improve water parameters, offer varied foods, and check for illness to restore vibrant hues.
Why is my tetra clamping his fins
Tetra clamping fins often signals stress, poor water quality, or disease. Check ammonia/nitrite levels, temperature, and tank mates. Improve conditions immediately; if persistent, consult a vet.
Why is my cichlid gasping at the surface
Cichlids gasp at the surface due to low dissolved oxygen, high ammonia/nitrite, or gill disease. Check water parameters immediately and increase aeration. This behavior signals respiratory distress and needs fast correction.
Why is my goldfish turning pale or losing color
If your goldfish is turning pale or losing color, it may be a sign of poor water quality, inadequate nutrition, or a medical issue like fin rot or nutritional deficiencies. Consult a vet to rule out health problems.
Why is my goldfish swimming sideways
Swimming sideways, or listing, in goldfish often indicates a swim bladder disorder caused by overfeeding, constipation, or poor water quality. Other causes include infections, parasites, or physical injury. Adjusting diet and tank conditions can help, but severe cases need a vet.
Why is my betta gasping at the surface
Betta fish gasping at the surface typically indicates low oxygen, poor water quality, or gill damage. Check ammonia, nitrite, and nitrate levels with a test kit, increase surface agitation, and consider a water change to improve conditions.
Why is my tetra fading in color
Tetra fading is often due to stress from poor water quality, improper lighting, or diet. Improve conditions gradually; blackwater extract can restore natural color.
Why is my koi swimming sideways
Koi swimming sideways often indicates a swim bladder disorder, infection, or environmental stress. Check water quality, temperature, and diet. Isolate the fish and consult a vet for diagnosis. Avoid overfeeding and maintain stable pond conditions to prevent recurrence.
Why is my goldfish clamping his fins
Fins clamped to the body usually signal stress from poor water quality, temperature shock, or disease. Test your water, adjust conditions, and reduce stressors to help your goldfish recover.
Why is my tetra swimming sideways
Your tetra swimming sideways likely indicates a swim bladder disorder, often from overfeeding, constipation, or infection. Check water quality, fast your fish, and consider a vet if symptoms persist.