Tropical Fish Encyclopedia — 71 Species Directory
Encyclopedia of popular tropical fish species with care guides, traits, and water parameters.
Featured Tropical Fish
Showing 5 of 71 species
Amano Shrimp
Caridina multidentata
A translucent freshwater shrimp famed as the top algae-eater and an indispensable cleanup animal for planted aquariums. Hardy and long-lasting, it rarely breeds in pure freshwater.
Nerite Snail
Neritidae spp.
The aquarium's premier algae-eating snail. It scrapes off even tough algae and, since its eggs do not hatch in freshwater, never overpopulates. Hardy and beginner-friendly.
© Marrabbio2 / CC BY-SA 3.0Platy
Xiphophorus maculatus
Colorful and hardy livebearing fish. Perfect for beginners and easy to breed. Highly adaptable to various water conditions.
Polypterus
African ancient fish with dinosaur-like appearance and air-breathing ability. Hardy and long-lived. Nocturnal.
© Sascha Biedermann / CC BY-SA 2.5Zebra Danio
Danio rerio
A hardy small fish with beautiful stripes that adds energy to the aquarium.
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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.