What can live with Koi Angelfish?

Koi Angelfish is compatible with 34 species and needs care with 109 more; avoid 45. It needs at least 30 gallons, 78–84°F, pH 6–7.5.

Koi Angelfish tank mates

Pterophyllum scalare var.

Koi Angelfish gets along with 34 species, needs care with 109, and should avoid 45.

Fish6" adultPeaceful30+ gallons78–84°FpH 6–7.5

34Compatible

109With care

45Avoid

Best tank mates (hand-picked)

The most reliable companions for Koi Angelfish — peaceful, and matched on water temperature and pH.

AngelfishPeaceful fish, shares 78–84°F & pH 6–7.5 Black Kuhli LoachPeaceful fish, shares 78–84°F & pH 6–7 Clown PlecoPeaceful fish, shares 78–82°F & pH 6–7.5 Croaking GouramiPeaceful fish, shares 78–82°F & pH 6–7.5 Vampire ShrimpPeaceful shrimp, shares 78–84°F & pH 6.5–7.5 Japanese Trapdoor SnailPeaceful snail, shares 78–82°F & pH 6.5–7.5 Nerite SnailPeaceful snail, shares 78–82°F & pH 6.5–7.5 Bamboo / Wood ShrimpPeaceful shrimp, shares 78–82°F & pH 6.5–7.5 Assassin SnailPeaceful snail, shares 78–82°F & pH 7–7.5

Stocking more than one fish?

Don’t check pairs one at a time. Add Koi Angelfish and every other fish you’re considering to the compatibility checker, and see how the whole community gets along at once — with tank-size and water-parameter conflicts flagged automatically.

Check my whole list →

Best avoided (45 total)

A few to steer clear of — and exactly why:

OscarOscar’s mouth is big enough to swallow Koi Angelfish (only 6" long) — it will be eaten.Blue Dream ShrimpKoi Angelfish is 6.0× the length of Blue Dream Shrimp — easily mouth-sized, and anything that fits in the mouth is a predator.Mischling / Taiwan BeeKoi Angelfish is 6.0× the length of Mischling / Taiwan Bee — easily mouth-sized, and anything that fits in the mouth is a predator.Endler's LivebearerKoi Angelfish’s mouth is big enough to swallow Endler's Livebearer (only 1.2" long) — it will be eaten.Blue Velvet ShrimpKoi Angelfish is 6.0× the length of Blue Velvet Shrimp — easily mouth-sized, and anything that fits in the mouth is a predator.

The full compatibility list

Every species we checked against Koi Angelfish — tap to expand.

Compatible (34)

AngelfishFish · 6"Assassin SnailSnail · 1"Bamboo / Wood ShrimpShrimp · 3.5"Black Kuhli LoachFish · 3"Bladder SnailSnail · 0.5"Blue Mystery SnailSnail · 1.8"Brilliant RasboraFish · 4"Bristlenose PlecoFish · 5"Candy Striped PlecoFish · 4"Clown PlecoFish · 3.5"Clown RasboraFish · 4"Colombian RamshornSnail · 2"Croaking GouramiFish · 3"DiscusFish · 8"Dwarf GouramiFish · 3.5"German Blue RamFish · 2.5"Gold Kuhli LoachFish · 3.5"Gold Mystery SnailSnail · 1.8"Horned Nerite SnailSnail · 0.5"Ivory Mystery SnailSnail · 1.8"Japanese Trapdoor SnailSnail · 2"Kuhli LoachFish · 4"Malaysian Trumpet SnailSnail · 1"Mystery SnailSnail · 2"Nerite SnailSnail · 1"Olive Nerite SnailSnail · 0.75"Pagoda / Spiky SnailSnail · 1.5"Pearl GouramiFish · 4.5"Ramshorn SnailSnail · 1"Red Racer Nerite SnailSnail · 0.75"Scissortail RasboraFish · 3.5"Sterbai CoryFish · 2.6"Vampire ShrimpShrimp · 6"Zebra PlecoFish · 3.5"

Keep only with care (109)

Adolfo's CoryFish · 2.25"Albino CoryFish · 2.5"Altum AngelfishFish · 7"Bandit CoryFish · 2"Batik Nerite SnailSnail · 0.6"Betta (Siamese Fighting Fish)Fish · 2.5"Black MollyFish · 4"Black Sail CoryFish · 2"Blackstripe CoryFish · 2.2"Blue GouramiFish · 5"Blue Phantom PlecoFish · 7"Bolivian RamFish · 3.5"Bronze CoryFish · 2.75"Cardinal TetraFish · 2"Cherry BarbFish · 2"Chocolate GouramiFish · 2"Colombian Zebra PlecoFish · 3.5"Common PlecoFish · 24"Dwarf Crayfish (CPO)Crayfish · 1.75"Elegant CoryFish · 2"Emerald Cory (Brochis)Fish · 3"False Julii CoryFish · 2"False Rummy Nose TetraFish · 2"Fancy Guppy (Female trio)Fish · 2.4"Flash Pleco (L204)Fish · 20"Gold GouramiFish · 6"GuppyFish · 2"Harlequin RasboraFish · 1.75"Honey GouramiFish · 2"Julii CoryFish · 2"King Tiger PlecoFish · 6"Kissing GouramiFish · 12"KribensisFish · 3.5"Leopard Frog PlecoFish · 4.5"Longfin Bristlenose PlecoFish · 5"MollyFish · 4"Moonlight GouramiFish · 6"Opaline GouramiFish · 6"Pitbull PlecoFish · 2.5"PlatyFish · 2.5"Pom Pom CrabCrab · 1"Rabbit SnailSnail · 3"Red-Line RasboraFish · 1.75"Royal PlecoFish · 17"Rummynose TetraFish · 2"Saddled CoryFish · 1.8"Sailfin MollyFish · 5"Schwartz's CoryFish · 2.5"Siamese Algae EaterFish · 6"Siamese Algae EaterFish · 6"Skunk CoryFish · 2"Smudge Spot CoryFish · 2.25"Spike-Topped Apple SnailSnail · 1.5"Spiky NeriteSnail · 0.7"Spotted Tail CoryFish · 2.2"Sulawesi SnailSnail · 2"SwordtailFish · 5.5"Thai Micro CrabCrab · 0.4"Thai Micro Pom Pom CrabCrab · 0.8"Thick-lipped GouramiFish · 3.5"Threestripe CoryFish · 2.2"Tracked Nerite SnailSnail · 0.8"Two-Saddled CoryFish · 2.5"Typhoon PlecoFish · 12"Venezuelan CoryFish · 2.5"Wild-Type BettaFish · 2.5"Zebra Nerite SnailSnail · 1"Amano ShrimpShrimp · 2"Black Neon TetraFish · 1.5"Black Rose ShrimpShrimp · 1.5"Black Skirt TetraFish · 2.5"Blue Lobster CrayfishCrayfish · 5"Brazos Dwarf CrayfishCrayfish · 1.5"Cajun Dwarf CrayfishCrayfish · 1.5"Carbon Rili ShrimpShrimp · 1.5"Carnival / Polka Dot Freshwater CrabCrab · 1.5"Electric Blue CrayfishCrayfish · 5"Emerald Eye RasboraFish · 1.4"Fiddler CrabCrab · 2"Fire RasboraFish · 1.6"Flower ShrimpShrimp · 2.5"Ghost ShrimpShrimp · 1.5"Giant GouramiFish · 24"Giant Sulawesi SnailSnail · 3"Green Tiger BarbFish · 2.75"Lambchop RasboraFish · 1.25"Licorice GouramiFish · 1.4"Marbled CrayfishCrayfish · 5"Neon TetraFish · 1.5"Noble GouramiFish · 3"Otocinclus CatfishFish · 1.5"Painted Fire Red ShrimpShrimp · 1.5"Panda CoryFish · 2"Panther CrabCrab · 3"Pond SnailSnail · 2"Purple Vampire CrabCrab · 1.5"Red Claw CrabCrab · 2.5"Red Devil Vampire CrabCrab · 1.5"Red Nose ShrimpShrimp · 1.5"Rubber Pleco (Rubbernose)Fish · 4.5"Slender RasboraFish · 1.5"Sparkling GouramiFish · 1.5"Thai Devil CrabCrab · 2"Thai Freshwater CrabCrab · 2.5"Tiger BarbFish · 2.75"Variatus PlatyFish · 2.75"Yucatan MollyFish · 6"Zebra DanioFish · 2"Zebra OtocinclusFish · 1.5"

Avoid (45)

Koi Angelfish tank mates

Best tank mates (hand-picked)

Stocking more than one fish?

Best avoided (45 total)

Design the whole tank, not just the stocking

The full compatibility list