Best Fish for a 20 Gallon Aquarium: 24 Picks, Stocking Plans and What to Avoid
Not sure which fish fit a 20 gallon tank? Compare 24 picks, six stocking plans for long or tall tanks, and the fish to avoid. Find your match.
Nano Fish
Species roundups and comparisons to help you choose the right nano fish for a small aquarium.
Chili Rasbora vs Phoenix Rasbora: How to Tell the Difference
The chili rasbora you bought is probably a phoenix rasbora. Or the other way around. These two fish get mixed in the same dealer tanks, sold under the same name, and shipped under the same label. Even scientists once argued they might be the same species. They are not. They look almost identical at a … Read more
13 Best Nano Fish for Small Aquariums: Care & Tank Size
The best nano fish is one that fits your water, tank dimensions and feeding routine. Ember tetras are a practical choice for a peaceful planted community; Endler’s livebearers suit harder water; chili rasboras need a quiet, mature aquarium with soft, acidic water. Small size alone does not make a fish suitable for a tiny tank. … Read more