Best Fish for a 40 Gallon Tank
Large community · 36 x 18 x 16 in (Breeder) · 151 L
A footprint-friendly tank great for cichlids and bottom dwellers.
A footprint-friendly tank great for cichlids and bottom dwellers.
35 species in our database can live in a 40-gallon tank. Here are some stocking ideas.
Schooling fish
Neon Tetra
1.5" · group of 6+
Cardinal Tetra
2" · group of 6+
Ember Tetra
0.8" · group of 8+
Bronze Corydoras
2.5" · group of 6+
Panda Corydoras
2" · group of 6+
Pygmy Corydoras
1" · group of 8+
Otocinclus
1.5" · group of 6+
Zebra Danio
2" · group of 6+
Celestial Pearl Danio
1" · group of 8+
Centerpiece & bottom dwellers
Platy
2.5" · Peaceful
Molly
4" · Peaceful
Swordtail
5.5" · Peaceful
Betta (male)
2.5" · Aggressive
Dwarf Gourami
3.5" · Peaceful
Pearl Gourami
4.5" · Peaceful
Angelfish
6" · Semi
German Blue Ram
2.5" · Peaceful
Bolivian Ram
3" · Peaceful