Tropical Fish Encyclopedia — 71 Species Directory
Encyclopedia of popular tropical fish species with care guides, traits, and water parameters.
Featured Tropical Fish
Showing 3 of 71 species

Cherry Barb
Cherry barb
A small cyprinid where males turn vivid cherry red. Also valued for controlling pest snails.
Cherry BarbCyprinidRed

Fire Tetra
Hyphessobrycon flammeus
Small tetra with vivid flame-like red rear half. Hardy and easy to keep, prefers slightly acidic water. Particularly beautiful in schools, popular beginner species that looks stunning in planted tanks.
TetraRedSchooling

Scarlet Badis
Scarlet badis
A gem-like tiny fish with beautiful red coloration. Known as a micro predator.
Scarlet BadisMicro fishRed
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Tropical Fish FAQ
- Can beginners keep tropical fish?
- Guppies, neon tetras, and corydoras are hardy and perfect for beginners. They can be kept in small tanks, and as long as you manage water temperature, it's relatively easy to get started.
- How much do tropical fish cost?
- Neon tetras cost 100-300 yen each, guppies 300-2,000 yen, bettas 1,000-10,000 yen, and premium discus 5,000-50,000+ yen depending on the species.
- How long do tropical fish live?
- Small tetras live 2-5 years, guppies 1-2 years, corydoras 5-10 years, and discus 10+ years, varying greatly by species.
- What's the minimum equipment needed?
- You'll need a tank, heater, filter, light, and water conditioner at minimum. A 30cm tank can house 5-10 small fish and doesn't take much space.
- What should I check when buying tropical fish?
- Check for vivid coloring, active swimming, and no signs of disease like ich. After purchase, acclimate carefully and avoid sudden temperature changes.