Real answers for
real fish keepers.
Science-backed guides for water chemistry, fish health, stocking, and species care — written by aquarists, for aquarists.
Featured Guides
Browse all →Getting Started
New Tank Syndrome: How to Avoid the "First Month Crash"
8 minNew Tank Syndrome kills beginner tanks in the first month. Learn the nitrogen cycle in 6 stages and the exact mistakes to avoid.
Apr 29, 2026
Fish Health
Why Is My Fish Gasping at the Surface? 7 Causes Ranked by Likelihood
6 minWhen fish gasp at the surface, they are fighting an environmental crisis. Here is how to quickly diagnose the 7 most common causes including poor surface agitation, temperature spikes, and cycle crashes ranked by how often they actually happen in real aquariums.
May 20, 2026
Species Guides
Neon Tetra Care Guide: Tank Size, School Size, and Water Requirements
9 minThink neon tetras are just fragile beginner fish? Think again. Recreate their natural blackwater habitat with the right school size and water parameters to watch their colors explode.
May 16, 2026
Everything your tank needs,
nothing it doesn't.
Stocking Calculator
Beyond the 'Inch per Gallon' Myth. Our algorithm calculates bioload, swimming levels, and temperament compatibility — so your fish don't just survive, they thrive.
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Compatibility Checker
Search any two species and get an instant compatibility verdict — aggression levels, water parameter overlap, territory needs, and whether they can safely share a tank.
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Emergency Rescue
Log your water test results and get a colour-coded alert with a clear action plan. Know exactly what to do before panic sets in.
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Social media gives you opinions.
Mahiyar gives you answers.
Because a 10% error in pH isn't just a typo — it's a disaster. Mahiyar replaces “I think” with “I know.”
Conflicting advice. Real fish.
"10 fish per 10 litres." "Neon tetras are fine with angels." "Your ammonia spike will fix itself." Three posts, three wrong answers — and a dead tank by Tuesday.
Mahiyar Intelligence
Science-backed stocking rules covering bioload, temperament, water chemistry, and territory. Emergency rescue plans that tell you exactly what to do — right now, not in a forum thread tomorrow.
Your aquarium, perfectly managed.
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