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 not eating his food
Angelfish stop eating due to water quality issues, stress, disease, or improper diet. Check ammonia, nitrite, nitrate levels, and water temperature. Quarantine if sick and consult a vet for persistent refusal.
Why is my betta swimming sideways
A betta swimming sideways often signals a swim bladder disorder caused by overfeeding, constipation, or poor water quality. Immediate steps include fasting, adjusting temperature, and checking water parameters. Consult a vet for persistent issues.
Why is my tetra getting white spots
White spots on tetras are usually Ich, a parasitic infection. Raise water temperature, add aquarium salt, and treat with over-the-counter medication. Quarantine affected fish immediately to prevent spread, and consult a vet if condition worsens.
Why is my angelfish turning pale or losing color
Angelfish lose color due to stress, poor water quality, disease, or diet. Check ammonia/nitrite levels, ensure a varied diet, and observe for other symptoms like clamped fins. Isolate sick fish and consult a vet for persistent color loss with behavior changes.
Why is my angelfish staying at the bottom of the tank
Angelfish staying at the bottom often signals stress, water issues, or illness. Check tank parameters, temperature, and observe for symptoms like clamped fins or labored breathing. Quick action can save your fish.
Why is my angelfish getting white spots
White spots on an angelfish are often caused by parasites, specifically the Ichthyophthirius multifiliis, or more commonly referred to as Ich. This is a common freshwater aquarium issue that can be treated with proper care and equipment.
Why is my koi not eating his food
Koi stop eating due to water quality issues (high ammonia, nitrites, low oxygen), temperature drops below 50°F, stress from handling or new tankmates, illness like parasites or bacterial infections, or seasonal fasting. Check water parameters and observe behavior before consulting a vet.
Why is my guppy swimming sideways
Guppies swim sideways due to swim bladder disorder, often from overfeeding, constipation, or infection. Immediate steps: fast them for 24 hours, feed a blanched pea, and check water quality. Consult a vet if condition persists.
Why is my betta staying at the bottom of the tank
If your betta is staying at the bottom of the tank, common causes include poor water quality, temperature shock, swim bladder disorder, or stress. Check water parameters, warm the tank to 78-80°F, and reduce flow. If behavior persists, consult a vet.
Why is my molly gasping at the surface
Molly fish gasping at the surface usually signals low dissolved oxygen, poor water quality, or a gill issue. Check your ammonia and nitrite levels, temperature, and oxygenation immediately.