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.

Tropical Fish Encyclopedia — 71 Species Directory

Encyclopedia of popular tropical fish species with care guides, traits, and water parameters.

Featured Tropical Fish

Ram Cichlid Endler's Guppy

All Beginner Intermediate Advanced

Schooling Small Planted tank Hardy Tetra Easy breeding Peaceful Colorful Algae cleaner Shrimp Ultra-small Unique Large Algae eater Red

Showing 6 of 71 species

Asian Arowana

Advanced

King of ancient fish. Gold and red varieties are stunningly beautiful. Majestic swimming near the surface is breathtaking.

Ancient fishLargeAdvanced

Bee Shrimp

Caridina cantonensis

Advanced

Small shrimp with beautiful red-white or black-white banding. High-quality specimens command premium prices. Strict water quality needs.

ShrimpBeautiful patternAdvanced

Cardinal Sulawesi Shrimp

Caridina dennerli

Advanced

A deep crimson shrimp endemic to Sulawesi, Indonesia. Beautiful with white spots scattered like stars.

CardinalSulawesiCrimson

Chocolate Gourami

Chocolate gourami

Advanced

A beautiful gourami with chocolate body and gold vertical stripes. Challenging but charming.

ChocolateGold stripesHigh difficulty

Discus

Symphysodon spp.

Advanced

The 'King of Tropical Fish.' A disc-shaped cichlid with delicate coloration and graceful movement. Demands strict water quality — warm, soft, slightly acidic water. Many captive-bred strains.

AdvancedLargeDemanding water

Scarlet Badis

Scarlet badis

Advanced

A gem-like tiny fish with beautiful red coloration. Known as a micro predator.

Scarlet BadisMicro fishRed

Browse Tropical Fish Listings

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.