Platy
Peaceful · Middle · easy care
- 2.5 in adult
- 10+ gal
- 70–80 °F
- pH 7 to 8.2
- groups of 3+
Goldfish tank mates
Fancy goldfish want cool water and eat anything that fits in their mouth, so few tropical fish suit them. These share the temperature and are too large or well-defended to be eaten.
Panda corydoras
Peaceful · Bottom · easy care
- 2 in adult
- 15+ gal
- 68–77 °F
- pH 6 to 7.5
- groups of 6+
Black moor
Peaceful · All levels · easy care
- 6 in adult
- 30+ gal
- 64–74 °F
- pH 7 to 8
- groups of 2+
Blind cave tetra
Semi-aggressive · Middle · easy care
- 4.7 in adult
- 29+ gal
- 68–77 °F
- pH 6.5 to 8
- groups of 6+
Bloodfin tetra
Peaceful · Top · easy care
- 2.2 in adult
- 20+ gal
- 65–82 °F
- pH 6 to 8
- groups of 6+
Bubble eye goldfish
Peaceful · All levels · demanding care
- 4 in adult
- 30+ gal
- 65–74 °F
- pH 7 to 8
- groups of 2+
Bumblebee catfish
Peaceful · Bottom · easy care
- 2.4 in adult
- 20+ gal
- 70–77 °F
- pH 6 to 7.5
- alone or pair
Celebes rainbowfish
Peaceful · Top · moderate care
- 3 in adult
- 29+ gal
- 68–82 °F
- pH 7 to 8
- groups of 6+
Checker barb
Peaceful · Middle · easy care
- 2 in adult
- 20+ gal
- 64–77 °F
- pH 5.5 to 7.5
- groups of 6+
Denison barb
Peaceful · Middle · moderate care
- 6 in adult
- 55+ gal
- 64–77 °F
- pH 6.8 to 7.8
- groups of 6+
Dojo loach
Peaceful · Bottom · easy care
- 10 in adult
- 55+ gal
- 55–77 °F
- pH 6.5 to 8
- groups of 3+
Fantail goldfish
Peaceful · All levels · easy care
- 8 in adult
- 30+ gal
- 64–74 °F
- pH 7 to 8
- groups of 2+
Lionhead goldfish
Peaceful · All levels · moderate care
- 6 in adult
- 30+ gal
- 64–74 °F
- pH 7 to 8
- groups of 2+
Odessa barb
Peaceful · Middle · easy care
- 2.5 in adult
- 29+ gal
- 68–79 °F
- pH 6 to 8
- groups of 6+
Oranda
Peaceful · All levels · easy care
- 8 in adult
- 30+ gal
- 64–74 °F
- pH 7 to 8
- groups of 2+
Paradise fish
Semi-aggressive · Top · easy care
- 3.5 in adult
- 20+ gal
- 61–79 °F
- pH 6 to 8
- one male per tank
Pearl danio
Peaceful · Top · easy care
- 2.6 in adult
- 20+ gal
- 68–77 °F
- pH 6 to 8
- groups of 6+
Pearlscale goldfish
Peaceful · All levels · moderate care
- 8 in adult
- 30+ gal
- 65–74 °F
- pH 7 to 8
- groups of 2+
Peppered corydoras
Peaceful · Bottom · easy care
- 2.8 in adult
- 20+ gal
- 64–77 °F
- pH 6 to 8
- groups of 6+
Rainbow shiner
Peaceful · Middle · easy care
- 3 in adult
- 30+ gal
- 60–75 °F
- pH 6.5 to 8
- groups of 6+
Ranchu goldfish
Peaceful · All levels · moderate care
- 8 in adult
- 30+ gal
- 65–74 °F
- pH 7 to 8
- groups of 2+
Reticulated hillstream loach
Peaceful · Bottom · moderate care
- 3 in adult
- 20+ gal
- 68–75 °F
- pH 6.5 to 7.5
- groups of 3+
Rubbernose pleco
Peaceful · Bottom · moderate care
- 5.7 in adult
- 30+ gal
- 68–77 °F
- pH 6.5 to 7.5
- alone or pair
Ryukin
Peaceful · All levels · easy care
- 8 in adult
- 30+ gal
- 64–74 °F
- pH 7 to 8
- groups of 2+
Variatus platy
Peaceful · Middle · easy care
- 2.8 in adult
- 15+ gal
- 61–75 °F
- pH 7 to 8.2
- groups of 3+
Zebra nerite snail
Peaceful · Bottom · easy care
- 1 in adult
- 5+ gal
- 70–80 °F
- pH 7 to 8.5
- alone or pair
Mystery snail
Peaceful · Bottom · easy care
- 2 in adult
- 10+ gal
- 68–82 °F
- pH 7 to 8
- alone or pair
Bladder snail
Peaceful · Bottom · easy care
- 0.6 in adult
- 5+ gal
- 64–82 °F
- pH 7 to 8.5
- alone or pair
Japanese trapdoor snail
Peaceful · Bottom · easy care
- 2 in adult
- 10+ gal
- 60–80 °F
- pH 7 to 8
- alone or pair
Malaysian trumpet snail
Peaceful · Bottom · easy care
- 1.2 in adult
- 5+ gal
- 64–86 °F
- pH 7 to 8
- alone or pair
Ramshorn snail
Peaceful · Bottom · easy care
- 1 in adult
- 5+ gal
- 64–82 °F
- pH 7 to 8
- alone or pair
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 matesAngelfish tank matesShrimp-safe fishCold-water fishSchooling fishBottom-dwelling fishTop-dwelling fishAlgae eatersNano fishCenterpiece 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. 25 of these 31 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.
- Platy Monika Korzeniec, CC BY-SA 3.0, via Wikimedia Commons
- Panda corydoras Chronotopian, CC BY-SA 3.0, via Wikimedia Commons
- Black moor Riyad Youssef, CC BY 2.5, via Wikimedia Commons
- Blind cave tetra James St. John, CC BY 2.0, via Wikimedia Commons
- Bloodfin tetra VGW2006, Public domain, via Wikimedia Commons
- Bubble eye goldfish Angie Torres from Toronto, CC BY-SA 2.0, via Wikimedia Commons
- Bumblebee catfish CHUCAO, CC BY-SA 4.0, via Wikimedia Commons
- Celebes rainbowfish Brent Tibbatts, CC BY 3.0, via Wikimedia Commons
- Checker barb Dodoni, CC BY-SA 3.0, via Wikimedia Commons
- Denison barb Anandarajkumar, CC BY-SA 3.0, via Wikimedia Commons
- Dojo loach PrinceNimblesoft, CC0, via Wikimedia Commons
- Fantail goldfish Pogrebnoj-Alexandroff, CC BY 3.0, via Wikimedia Commons
- Lionhead goldfish Roderick Santos, CC BY 2.5, via Wikimedia Commons
- Odessa barb Anandarajkumar, CC BY-SA 3.0, via Wikimedia Commons
- Oranda Lawrencekhoo, CC BY-SA 4.0, via Wikimedia Commons
- Paradise fish André Karwath; edited by Muhammad, CC BY-SA 2.5, via Wikimedia Commons
- Pearl danio Павлик Лисицын, CC BY 4.0, via Wikimedia Commons
- Pearlscale goldfish Lerdsuwa, CC BY-SA 3.0, via Wikimedia Commons
- Peppered corydoras Przemysław Malkowski, CC BY 2.5, via Wikimedia Commons
- Rainbow shiner H. Zell, CC BY-SA 3.0, via Wikimedia Commons
- Ranchu goldfish Lerdsuwa, CC BY-SA 4.0, via Wikimedia Commons
- Reticulated hillstream loach Spiketooth, CC BY-SA 3.0, via Wikimedia Commons
- Rubbernose pleco Frank Alvarez, CC BY 3.0, via Wikimedia Commons
- Ryukin Lawrencekhoo, CC BY-SA 4.0, via Wikimedia Commons
- Variatus platy Marrabbio2, CC BY-SA 3.0, via Wikimedia Commons
- Zebra nerite snail TheJammingYam, CC BY-SA 3.0, via Wikimedia Commons
- Mystery snail Gabriel Resende Veiga, CC BY-SA 4.0, via Wikimedia Commons
- Bladder snail Dat doris, CC BY-SA 4.0, via Wikimedia Commons
- Japanese trapdoor snail Judy Gallagher, CC BY 2.0, via Wikimedia Commons
- Malaysian trumpet snail Buchling, CC BY-SA 3.0, via Wikimedia Commons
- Ramshorn snail Dat doris, CC BY-SA 4.0, via Wikimedia Commons
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