Ember tetra
Peaceful · Middle · easy care
- 1.2 in adult
- 10+ gal
- 73–84 °F
- pH 6 to 7.5
- groups of 8+
Nano fish
Fish that stay at or under about 1.5 inches and fit a 10 gallon or smaller planted tank in a proper group.
Chili rasbora
Peaceful · Middle · moderate care
- 0.8 in adult
- 5+ gal
- 72–82 °F
- pH 5 to 7
- groups of 8+
Celestial pearl danio
Peaceful · Middle · moderate care
- 1 in adult
- 10+ gal
- 72–78 °F
- pH 6.5 to 7.5
- groups of 6+
White cloud mountain minnow
Peaceful · Middle · easy care
- 1.5 in adult
- 10+ gal
- 64–72 °F
- pH 6 to 8
- groups of 6+
Pygmy corydoras
Peaceful · Middle · moderate care
- 1 in adult
- 10+ gal
- 72–79 °F
- pH 6 to 8
- groups of 6+
Black neon tetra
Peaceful · Middle · easy care
- 1.5 in adult
- 10+ gal
- 73–81 °F
- pH 5.5 to 7.5
- groups of 6+
Glowlight tetra
Peaceful · Middle · easy care
- 1.5 in adult
- 10+ gal
- 72–80 °F
- pH 6 to 7.5
- groups of 6+
Pea puffer
Aggressive · All levels · moderate care
- 1.4 in adult
- 10+ gal
- 72–82 °F
- pH 7 to 8.3
- groups of 3+
Clown killifish
Peaceful · Top · moderate care
- 1.4 in adult
- 5+ gal
- 72–80 °F
- pH 5.5 to 7
- groups of 4+
Coral red pencilfish
Peaceful · Middle · moderate care
- 1.1 in adult
- 10+ gal
- 75–82 °F
- pH 5 to 7
- groups of 8+
Dwarf corydoras
Peaceful · Middle · moderate care
- 1.4 in adult
- 10+ gal
- 68–82 °F
- pH 6 to 7.5
- groups of 8+
Dwarf pencilfish
Peaceful · Middle · moderate care
- 1.4 in adult
- 10+ gal
- 75–82 °F
- pH 5.5 to 7.5
- groups of 6+
Dwarf rasbora
Peaceful · Middle · moderate care
- 1 in adult
- 5+ gal
- 75–82 °F
- pH 5 to 7
- groups of 8+
Everglades pygmy sunfish
Peaceful · Bottom · moderate care
- 1.3 in adult
- 5+ gal
- 55–80 °F
- pH 6.5 to 7.5
- groups of 2+
Exclamation point rasbora
Peaceful · Middle · moderate care
- 0.6 in adult
- 5+ gal
- 72–82 °F
- pH 5.5 to 7
- groups of 8+
Flame tetra
Peaceful · Middle · easy care
- 1 in adult
- 10+ gal
- 72–82 °F
- pH 6 to 7.5
- groups of 6+
Green neon tetra
Peaceful · Middle · moderate care
- 1 in adult
- 10+ gal
- 75–82 °F
- pH 5 to 6.5
- groups of 8+
Kubotai rasbora
Peaceful · Middle · easy care
- 0.8 in adult
- 10+ gal
- 72–79 °F
- pH 6 to 7.5
- groups of 8+
Lambchop rasbora
Peaceful · Middle · easy care
- 1.2 in adult
- 10+ gal
- 73–82 °F
- pH 6 to 7.5
- groups of 8+
Least killifish
Peaceful · Middle · easy care
- 1.2 in adult
- 5+ gal
- 64–80 °F
- pH 7 to 8
- groups of 6+
Medaka
Peaceful · Top · easy care
- 1.5 in adult
- 10+ gal
- 65–82 °F
- pH 6.5 to 8
- groups of 6+
Phoenix rasbora
Peaceful · Middle · moderate care
- 0.8 in adult
- 5+ gal
- 74–82 °F
- pH 5 to 7
- groups of 8+
Red neon blue-eye
Peaceful · Top · moderate care
- 1.2 in adult
- 10+ gal
- 74–82 °F
- pH 6 to 7.5
- groups of 6+
Ruby tetra
Peaceful · Middle · moderate care
- 1 in adult
- 10+ gal
- 72–80 °F
- pH 5 to 7
- groups of 8+
Salt-and-pepper corydoras
Peaceful · Bottom · moderate care
- 1 in adult
- 10+ gal
- 72–79 °F
- pH 6 to 7.5
- groups of 6+
Scarlet badis
Peaceful · Bottom · moderate care
- 0.8 in adult
- 10+ gal
- 72–79 °F
- pH 6.5 to 7.8
- one male per tank
Spotted blue-eye
Peaceful · Top · moderate care
- 1 in adult
- 10+ gal
- 75–82 °F
- pH 5.5 to 7.5
- groups of 6+
No species on this list match those filters. Try a larger tank or clear a filter.
More fish lists
Fish for a 5 gallon tankFish for a 10 gallon tankFish for a 15 gallon tankFish for a 20 gallon tankFish for a 29 gallon tankFish for a 30 gallon tankFish for a 40 gallon tankFish for a 50 gallon tankFish for a 55 gallon tankFish for a 75 gallon tankFish for a 100 gallon tankFish for a 125 gallon tankBest fish for beginnersBetta tank matesGoldfish tank matesAngelfish tank matesShrimp-safe fishCold-water fishSchooling fishBottom-dwelling fishTop-dwelling fishAlgae eatersCenterpiece fishFish for hard waterFish for soft waterDither fishColorful freshwater fishAll fish
Names, and adult sizes where the article gives one, are checked against Wikipedia; care ranges are common hobby guidance, and each species page says which is which. 27 of these 27 are fish. Photos are real photographs from Wikimedia Commons, credited below; the lineup is our own drawing at one scale.
Photo credits
Real photographs from Wikimedia Commons, resized and cropped to fit; each is used under the license named.
- Ember tetra Klaus Rudloff, CC BY-SA 4.0, via Wikimedia Commons
- Chili rasbora JoKrimmel, CC BY-SA 4.0, via Wikimedia Commons
- Celestial pearl danio Cisamarc, CC BY-SA 3.0, via Wikimedia Commons
- White cloud mountain minnow Petrtyl, CC BY 4.0, via Wikimedia Commons
- Pygmy corydoras Birger A, CC BY-SA 3.0, via Wikimedia Commons
- Black neon tetra Debivort, CC BY-SA 3.0, via Wikimedia Commons
- Glowlight tetra gonzalovalenzuela; cropped by Kyknos, CC BY 2.0, via Wikimedia Commons
- Pea puffer Beta Mahatvaraj, CC BY-SA 4.0, via Wikimedia Commons
- Clown killifish Dornenwolf, CC BY 2.0, via Wikimedia Commons
- Coral red pencilfish Brian Gratwicke, CC BY 2.0, via Wikimedia Commons
- Dwarf corydoras AquariaNR, CC BY-SA 3.0 de, via Wikimedia Commons
- Dwarf pencilfish Fanch from Paris, France, CC BY 2.0, via Wikimedia Commons
- Dwarf rasbora R.workoran, CC BY-SA 4.0, via Wikimedia Commons
- Everglades pygmy sunfish Brian Gratwicke, CC BY 2.0, via Wikimedia Commons
- Exclamation point rasbora R.workoran, CC BY-SA 4.0, via Wikimedia Commons
- Flame tetra Igor Balashov (iNaturalist), CC BY 4.0, via Wikimedia Commons
- Green neon tetra Sascha Biedermann, CC BY-SA 2.5, via Wikimedia Commons
- Kubotai rasbora BottomDog, CC BY-SA 3.0, via Wikimedia Commons
- Lambchop rasbora AverageWalrus, CC BY-SA 4.0, via Wikimedia Commons
- Least killifish Brian Gratwicke, CC BY 2.0, via Wikimedia Commons
- Medaka Seotaro, CC BY-SA 3.0, via Wikimedia Commons
- Phoenix rasbora Andrewbogott, CC BY-SA 4.0, via Wikimedia Commons
- Ruby tetra Thomas Siems, CC BY-SA 2.0, via Wikimedia Commons
- Salt-and-pepper corydoras D.W., CC0, via Wikimedia Commons
- Scarlet badis ATuin-hek, CC0, via Wikimedia Commons
- Spotted blue-eye Der Regenbogenfisch, CC BY-SA 3.0 de, via Wikimedia Commons
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