Bronze corydoras
Peaceful · Bottom · easy care
- 2.75 in adult
- 20+ gal
- 72–80 °F
- pH 6 to 8
- groups of 6+
Types of catfish
37 corydoras and plecos compared at one scale: adult size, the tank they need, temperature and group size.
Otocinclus
Peaceful · Bottom · moderate care
- 2 in adult
- 20+ gal
- 72–79 °F
- pH 6 to 7.5
- groups of 6+
Bristlenose pleco
Peaceful · Bottom · easy care
- 6 in adult
- 29+ gal
- 73–81 °F
- pH 6.5 to 7.5
- alone or pair
Panda corydoras
Peaceful · Bottom · easy care
- 2 in adult
- 15+ gal
- 68–77 °F
- pH 6 to 7.5
- groups of 6+
Pygmy corydoras
Peaceful · Middle · moderate care
- 1 in adult
- 10+ gal
- 72–79 °F
- pH 6 to 8
- groups of 6+
Asian stone catfish
Peaceful · Bottom · moderate care
- 1.6 in adult
- 10+ gal
- 64–75 °F
- pH 6.5 to 7.5
- groups of 3+
Bandit corydoras
Peaceful · Bottom · easy care
- 1.9 in adult
- 20+ gal
- 72–79 °F
- pH 6 to 7
- groups of 6+
Bumblebee catfish
Peaceful · Bottom · easy care
- 2.4 in adult
- 20+ gal
- 70–77 °F
- pH 6 to 7.5
- alone or pair
Butterfly pleco
Peaceful · Bottom · moderate care
- 5.1 in adult
- 30+ gal
- 77–84 °F
- pH 6 to 7.5
- alone or pair
Candy-striped pleco
Peaceful · Bottom · moderate care
- 5.9 in adult
- 30+ gal
- 72–79 °F
- pH 6 to 7
- alone or pair
Clown pleco
Peaceful · Bottom · easy care
- 3.5 in adult
- 20+ gal
- 73–82 °F
- pH 6.5 to 7.5
- alone or pair
Common pleco
Peaceful · Bottom · moderate care
- 18 in adult
- 125+ gal
- 72–82 °F
- pH 6.5 to 7.8
- alone or pair
Cuckoo catfish
Peaceful · Bottom · moderate care
- 6 in adult
- 55+ gal
- 75–81 °F
- pH 7.5 to 9
- groups of 4+
Dwarf corydoras
Peaceful · Middle · moderate care
- 1.4 in adult
- 10+ gal
- 68–82 °F
- pH 6 to 7.5
- groups of 8+
Emerald corydoras
Peaceful · Bottom · easy care
- 3 in adult
- 29+ gal
- 72–82 °F
- pH 5.8 to 8
- groups of 6+
Featherfin squeaker
Semi-aggressive · Bottom · easy care
- 11.8 in adult
- 75+ gal
- 72–79 °F
- pH 6.5 to 8
- alone or pair
Glass catfish
Peaceful · Middle · moderate care
- 3 in adult
- 29+ gal
- 75–82 °F
- pH 6.5 to 7.5
- groups of 6+
Gold nugget pleco
Peaceful · Bottom · moderate care
- 8.8 in adult
- 75+ gal
- 77–86 °F
- pH 6.5 to 7.5
- alone or pair
Green phantom pleco
Peaceful · Bottom · moderate care
- 5.9 in adult
- 40+ gal
- 77–84 °F
- pH 6 to 7.5
- alone or pair
Julii corydoras
Peaceful · Bottom · easy care
- 2.5 in adult
- 20+ gal
- 72–79 °F
- pH 6 to 8
- groups of 6+
Leopard frog pleco
Peaceful · Bottom · moderate care
- 2.4 in adult
- 20+ gal
- 77–84 °F
- pH 6 to 7.5
- alone or pair
Peppered corydoras
Peaceful · Bottom · easy care
- 2.8 in adult
- 20+ gal
- 64–77 °F
- pH 6 to 8
- groups of 6+
Petricola catfish
Peaceful · Bottom · easy care
- 4.5 in adult
- 30+ gal
- 73–79 °F
- pH 7.5 to 9
- groups of 3+
Pictus catfish
Peaceful · Bottom · easy care
- 4.3 in adult
- 55+ gal
- 72–79 °F
- pH 6 to 7.5
- groups of 3+
Pitbull pleco
Peaceful · Bottom · moderate care
- 1.6 in adult
- 20+ gal
- 72–79 °F
- pH 6 to 7.5
- groups of 3+
Red lizard whiptail catfish
Peaceful · Bottom · easy care
- 5 in adult
- 20+ gal
- 72–79 °F
- pH 6 to 7.5
- alone or pair
Red-tail catfish
Semi-aggressive · Bottom · demanding care
- 48 in adult
- 2600+ gal
- 72–80 °F
- pH 6 to 7.5
- one per tank
Royal pleco
Peaceful · Bottom · moderate care
- 17 in adult
- 125+ gal
- 72–82 °F
- pH 6.5 to 7.5
- one per tank
Rubbernose pleco
Peaceful · Bottom · moderate care
- 5.7 in adult
- 30+ gal
- 68–77 °F
- pH 6.5 to 7.5
- alone or pair
Sailfin pleco
Peaceful · Bottom · easy care
- 20 in adult
- 150+ gal
- 72–82 °F
- pH 6.5 to 7.8
- alone or pair
Salt-and-pepper corydoras
Peaceful · Bottom · moderate care
- 1 in adult
- 10+ gal
- 72–79 °F
- pH 6 to 7.5
- groups of 6+
Snowball pleco
Peaceful · Bottom · moderate care
- 5 in adult
- 30+ gal
- 77–84 °F
- pH 6 to 7.5
- alone or pair
Sterbai corydoras
Peaceful · Bottom · easy care
- 2.6 in adult
- 20+ gal
- 74–82 °F
- pH 6 to 7.6
- groups of 6+
Striped Raphael catfish
Peaceful · Bottom · easy care
- 8 in adult
- 55+ gal
- 75–81 °F
- pH 6 to 7.5
- alone or pair
Twig catfish
Peaceful · Bottom · demanding care
- 8.9 in adult
- 30+ gal
- 72–79 °F
- pH 6 to 7.5
- alone or pair
Upside-down catfish
Peaceful · Middle · easy care
- 4 in adult
- 29+ gal
- 72–79 °F
- pH 6 to 7.5
- groups of 3+
Zebra pleco
Peaceful · Bottom · demanding care
- 3.2 in adult
- 20+ gal
- 79–86 °F
- pH 6.5 to 7.5
- alone or pair
No species on this list match those filters. Try a larger tank or clear a filter.
Other fish families
Types of plecosTypes of aquarium shrimpTypes of aquarium snailsTypes of tetrasTypes of rasboras and daniosTypes of barbsTypes of livebearersTypes of bettas and gouramisTypes of cichlidsTypes of loachesTypes of freshwater sharksTypes of rainbowfishTypes of killifishTypes of puffersTypes of goldfishTypes of oddball fishTypes of shrimp, snails, frogs and axolotlsAll 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. 37 of these 37 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.
- Bronze corydoras Quatermass (English Wikipedia), Public domain, via Wikimedia Commons
- Otocinclus CHUCAO, CC BY-SA 3.0, via Wikimedia Commons
- Bristlenose pleco André Karwath aka Aka, CC BY-SA 2.5, via Wikimedia Commons
- Panda corydoras Chronotopian, CC BY-SA 3.0, via Wikimedia Commons
- Pygmy corydoras Birger A, CC BY-SA 3.0, via Wikimedia Commons
- Bandit corydoras Gonzalo Valenzuela, CC BY-SA 2.0, via Wikimedia Commons
- Bumblebee catfish CHUCAO, CC BY-SA 4.0, via Wikimedia Commons
- Butterfly pleco Alberto Alcalá (iNaturalist), CC BY 4.0, via Wikimedia Commons
- Candy-striped pleco Gabriel Lelis Togni, CC BY 3.0, via Wikimedia Commons
- Common pleco Richwales, Public domain, via Wikimedia Commons
- Cuckoo catfish Mario Rubio García, CC BY 2.0, via Wikimedia Commons
- Dwarf corydoras AquariaNR, CC BY-SA 3.0 de, via Wikimedia Commons
- Emerald corydoras NonstickRon, CC BY-SA 2.0, via Wikimedia Commons
- Featherfin squeaker Silex6, Public domain, via Wikimedia Commons
- Glass catfish Martin Fisch, CC BY-SA 2.0, via Wikimedia Commons
- Gold nugget pleco Anne Blindheim, CC BY-SA 3.0, via Wikimedia Commons
- Green phantom pleco 5snake5, CC0, via Wikimedia Commons
- Julii corydoras Bob Jenkins, CC BY 2.0, via Wikimedia Commons
- Leopard frog pleco Frank M Greco, CC BY 3.0, via Wikimedia Commons
- Peppered corydoras Przemysław Malkowski, CC BY 2.5, via Wikimedia Commons
- Petricola catfish Nerezza, CC BY-SA 3.0, via Wikimedia Commons
- Pictus catfish 5snake5, CC0, via Wikimedia Commons
- Pitbull pleco Haplochromis, CC BY-SA 3.0, via Wikimedia Commons
- Red lizard whiptail catfish Ckf6412, CC BY-SA 4.0, via Wikimedia Commons
- Red-tail catfish George Chernilevsky, CC BY-SA 4.0, via Wikimedia Commons
- Royal pleco Neale Monks at en.wikipedia, CC BY-SA 3.0, via Wikimedia Commons
- Rubbernose pleco Frank Alvarez, CC BY 3.0, via Wikimedia Commons
- Sailfin pleco AnatolyPm, CC BY-SA 4.0, via Wikimedia Commons
- Salt-and-pepper corydoras D.W., CC0, via Wikimedia Commons
- Sterbai corydoras Matthew Mannell, Public domain, via Wikimedia Commons
- Striped Raphael catfish Piotr Kuczynski, CC BY-SA 3.0, via Wikimedia Commons
- Twig catfish Francesco Loda (CONTERALLY), CC BY 3.0, via Wikimedia Commons
- Upside-down catfish John P. Friel Ph.D., CC BY 4.0, via Wikimedia Commons
- Zebra pleco Peaceinpianos, CC BY-SA 4.0, via Wikimedia Commons
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