🐟 Fish Care
Best Tank Mates for a Betta (and What to Avoid)
A betta can live with tank mates, but only in 20 gallons or more, and only with calm, non-nippy species. Good picks include snails,…
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Fishkeeping Editorial
🐟 Fish Care
Betta Fin Rot: Causes, Stages, and Treatment
Fin rot is a bacterial infection that eats a betta’s fins from the edge inward, almost always set off by dirty water. Caught early,…
🐟 Fish Care
How Often Should You Change Betta Water?
Change about 25 percent of a betta’s water once a week in a cycled 5-gallon tank. That one habit prevents more betta problems than…
🐟 Fish Care
How Big Should a Betta Tank Be? Five Gallons, and Why
A betta needs at least 5 gallons. That is the floor, not the ideal. Five gallons holds a steady temperature, dilutes waste between water…
🐟 Fish Care
Fish Swimming Sideways? Run the Three-Cause Check
The three-cause check runs in order of fixability: test for water poisoning first, review feeding for swim bladder second, check temperature and age last.…
🐟 Fish Care
Dropsy in Fish: The Pinecone Check and What It Means
The pinecone check, viewed from directly above, separates a bloated fish from one in organ failure. Honest stage-by-stage odds, why Epsom salt is right…
🐟 Fish Care
Swim Bladder Disease: Why Your Fish Floats or Sinks
Swim bladder trouble is a symptom, and most cases are digestive. The fast-first protocol (48 hours without food, then a shelled pea for goldfish…
🐟 Fish Care
Fin Rot Treatment: Clean Water First, Meds Second
The edge readout stages fin rot in ten seconds: a clean receding edge heals with water changes alone, a fuzzy white edge gets salt,…
💧 Water Quality
Why Are My Fish Swimming at the Top of the Tank?
Fish hanging at the surface usually means low oxygen or ammonia poisoning. Here is how to tell the two apart and fix each one…
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