Tank mates for electric blue acaras

We checked electric blue acaras against all 149 other species in our database for water temperature, pH, size, fin nipping, predation and aggression.

Good tank mates for electric blue acaras include nerite snail, dwarf gourami, angelfish, tiger barb, assassin snail and ramshorn snail. Avoid cherry shrimp, common goldfish and guppy: electric blue acara eats small shrimp like cherry shrimp.

Electric blue acaras: 23–27°C (73–81°F), pH 6.5–7.5, adult size 15 cm (5.9 in), minimum tank 40 gallons (151 L). Full electric blue acara care guide.

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Good Compatible tank mates (34)

Shared water conditions and no known conflict. Still add fish slowly and watch them.

Caution Possible, with care (60)

These can work in the right setup, but there is a real risk. Read the reason first.

Betta fish · 5+ gal
- Electric blue acara may eat bettas, especially young or small ones.
Bristlenose pleco · 20+ gal
- Electric blue acara defends its patch of the bottom and may chase bristlenose plecos, which use the same area.
- Bristlenose pleco defends its patch of the bottom and may chase electric blue acaras, which use the same area.
Bronze corydoras · 20+ gal
- Electric blue acara is semi-aggressive and may bully much smaller bronze corydoras.
- Electric blue acara defends its patch of the bottom and may chase bronze corydoras, which use the same area.
Common pleco · 150+ gal
- Electric blue acara defends its patch of the bottom and may chase common plecos, which use the same area.
- Common pleco defends its patch of the bottom and may chase electric blue acaras, which use the same area.
Fancy goldfish · 20+ gal
- Their temperature ranges barely overlap (only around 23–23°C).
- One is a cold-water species and the other is tropical, so neither will be at its best.
Amano shrimp · 10+ gal
- Electric blue acara hunts shrimp. Larger amano shrimp sometimes survive, but expect losses.
Black skirt tetra · 20+ gal
- Electric blue acara may eat black skirt tetras, especially young or small ones.
- Electric blue acara is semi-aggressive and may bully much smaller black skirt tetras.
Boesemani rainbowfish · 29+ gal
- Their temperature ranges barely overlap (only around 26–27°C).
Chinese algae eater · 80+ gal
- Electric blue acara defends its patch of the bottom and may chase chinese algae eaters, which use the same area.
- Chinese algae eater is aggressive. Electric blue acaras can hold their own only in a large tank with plenty of cover.
- Chinese algae eater defends its patch of the bottom and may chase electric blue acaras, which use the same area.
Clown loach · 180+ gal
- Electric blue acara defends its patch of the bottom and may chase clown loaches, which use the same area.
Convict cichlid · 29+ gal
- Electric blue acara defends its patch of the bottom and may chase convict cichlids, which use the same area.
- Convict cichlid defends its patch of the bottom and may chase electric blue acaras, which use the same area.
Dojo loach · 75+ gal
- Their temperature ranges barely overlap (only around 23–23°C).
- One is a cold-water species and the other is tropical, so neither will be at its best.
- Electric blue acara defends its patch of the bottom and may chase dojo loaches, which use the same area.
Dwarf neon rainbowfish · 20+ gal
- Electric blue acara may eat dwarf neon rainbowfish, especially young or small ones.
- Electric blue acara is semi-aggressive and may bully much smaller dwarf neon rainbowfish.
Firemouth cichlid · 29+ gal
- Electric blue acara defends its patch of the bottom and may chase firemouth cichlids, which use the same area.
- Firemouth cichlid defends its patch of the bottom and may chase electric blue acaras, which use the same area.
German blue ram · 20+ gal
- Their temperature ranges barely overlap (only around 27–27°C).
- Electric blue acara may eat German blue rams, especially young or small ones.
- Electric blue acara is semi-aggressive and may bully much smaller German blue rams.
- Electric blue acara defends its patch of the bottom and may chase German blue rams, which use the same area.
- German blue ram defends its patch of the bottom and may chase electric blue acaras, which use the same area.
Ghost shrimp · 10+ gal
- Electric blue acara hunts shrimp. Larger ghost shrimp sometimes survive, but expect losses.
Hillstream loach · 20+ gal
- Their temperature ranges barely overlap (only around 23–24°C).
- One is a cold-water species and the other is tropical, so neither will be at its best.
- Electric blue acara may eat hillstream loaches, especially young or small ones.
- Electric blue acara is semi-aggressive and may bully much smaller hillstream loaches.
- Electric blue acara defends its patch of the bottom and may chase hillstream loaches, which use the same area.
Jack Dempsey · 55+ gal
- Electric blue acara defends its patch of the bottom and may chase Jack Dempseys, which use the same area.
- Jack Dempsey is aggressive. Electric blue acaras can hold their own only in a large tank with plenty of cover.
- Jack Dempsey defends its patch of the bottom and may chase electric blue acaras, which use the same area.
Julii corydoras · 20+ gal
- Electric blue acara may eat julii corydoras, especially young or small ones.
- Electric blue acara is semi-aggressive and may bully much smaller julii corydoras.
- Electric blue acara defends its patch of the bottom and may chase julii corydoras, which use the same area.
Kribensis · 29+ gal
- Electric blue acara defends its patch of the bottom and may chase kribensis, which use the same area.
- Kribensis defends its patch of the bottom and may chase electric blue acaras, which use the same area.
Kuhli loach · 20+ gal
- Electric blue acara defends its patch of the bottom and may chase kuhli loaches, which use the same area.
Peppered corydoras · 20+ gal
- Electric blue acara may eat peppered corydoras, especially young or small ones.
- Electric blue acara is semi-aggressive and may bully much smaller peppered corydoras.
- Electric blue acara defends its patch of the bottom and may chase peppered corydoras, which use the same area.
Pictus catfish · 75+ gal
- Electric blue acara defends its patch of the bottom and may chase pictus catfish, which use the same area.
Platy · 15+ gal
- Electric blue acara may eat platies, especially young or small ones.
- Electric blue acara is semi-aggressive and may bully much smaller platies.
Rainbow shark · 75+ gal
- Electric blue acara defends its patch of the bottom and may chase rainbow sharks, which use the same area.
- Rainbow shark defends its patch of the bottom and may chase electric blue acaras, which use the same area.
Red-tail shark · 75+ gal
- Electric blue acara defends its patch of the bottom and may chase red-tail sharks, which use the same area.
- Red-tail shark defends its patch of the bottom and may chase electric blue acaras, which use the same area.
Rosy barb · 29+ gal
- Their temperature ranges barely overlap (only around 23–24°C).
- One is a cold-water species and the other is tropical, so neither will be at its best.
Senegal bichir · 90+ gal
- Electric blue acara defends its patch of the bottom and may chase Senegal bichirs, which use the same area.
Siamese algae eater · 55+ gal
- Electric blue acara defends its patch of the bottom and may chase siamese algae eaters, which use the same area.
Sterbai corydoras · 20+ gal
- Electric blue acara may eat sterbai corydoras, especially young or small ones.
- Electric blue acara is semi-aggressive and may bully much smaller sterbai corydoras.
- Electric blue acara defends its patch of the bottom and may chase sterbai corydoras, which use the same area.
Yoyo loach · 75+ gal
- Electric blue acara defends its patch of the bottom and may chase yoyo loaches, which use the same area.
Agassiz's dwarf cichlid · 20+ gal
- Electric blue acara defends its patch of the bottom and may chase Agassiz's dwarf cichlids, which use the same area.
- Agassiz's dwarf cichlid defends its patch of the bottom and may chase electric blue acaras, which use the same area.
Bamboo shrimp · 20+ gal
- Electric blue acara hunts shrimp. Larger bamboo shrimp sometimes survive, but expect losses.
Black ghost knifefish · 125+ gal
- Electric blue acara defends its patch of the bottom and may chase black ghost knifefish, which use the same area.
Bleeding heart tetra · 29+ gal
- Electric blue acara may eat bleeding heart tetras, especially young or small ones.
- Electric blue acara is semi-aggressive and may bully much smaller bleeding heart tetras.
Bolivian ram · 29+ gal
- Electric blue acara defends its patch of the bottom and may chase Bolivian rams, which use the same area.
- Bolivian ram defends its patch of the bottom and may chase electric blue acaras, which use the same area.
Bumblebee catfish · 20+ gal
- Electric blue acara defends its patch of the bottom and may chase bumblebee catfish, which use the same area.
Clown pleco · 20+ gal
- Electric blue acara defends its patch of the bottom and may chase clown plecos, which use the same area.
Cockatoo cichlid · 20+ gal
- Electric blue acara defends its patch of the bottom and may chase cockatoo cichlids, which use the same area.
- Cockatoo cichlid defends its patch of the bottom and may chase electric blue acaras, which use the same area.
Diamond tetra · 20+ gal
- Electric blue acara may eat diamond tetras, especially young or small ones.
- Electric blue acara is semi-aggressive and may bully much smaller diamond tetras.
Dwarf chain loach · 29+ gal
- Electric blue acara may eat dwarf chain loaches, especially young or small ones.
- Electric blue acara is semi-aggressive and may bully much smaller dwarf chain loaches.
- Electric blue acara defends its patch of the bottom and may chase dwarf chain loaches, which use the same area.
Dwarf orange crayfish · 10+ gal
- Their temperature ranges barely overlap (only around 23–24°C).
- One is a cold-water species and the other is tropical, so neither will be at its best.
- Electric blue acara may attack small crustaceans like dwarf orange crayfish, especially after they molt.
Emerald green corydoras · 55+ gal
- Electric blue acara defends its patch of the bottom and may chase emerald green corydoras, which use the same area.
Gardneri killifish · 10+ gal
- Electric blue acara may eat gardneri killifish, especially young or small ones.
Glass catfish · 29+ gal
- Electric blue acara is semi-aggressive and may bully much smaller glass catfish.
Gold barb · 29+ gal
- Their temperature ranges barely overlap (only around 23–24°C).
- One is a cold-water species and the other is tropical, so neither will be at its best.
- Electric blue acara is semi-aggressive and may bully much smaller gold barbs.
Green terror · 80+ gal
- Their temperature ranges barely overlap (only around 23–24°C).
- Green terror is aggressive. Electric blue acaras can hold their own only in a large tank with plenty of cover.
Odessa barb · 20+ gal
- Electric blue acara may eat odessa barbs, especially young or small ones.
- Electric blue acara is semi-aggressive and may bully much smaller odessa barbs.
Panda garra · 29+ gal
- Electric blue acara defends its patch of the bottom and may chase panda garras, which use the same area.
Paradise fish · 20+ gal
- Their temperature ranges barely overlap (only around 23–24°C).
- One is a cold-water species and the other is tropical, so neither will be at its best.
Peacock gudgeon · 15+ gal
- Electric blue acara may eat peacock gudgeons, especially young or small ones.
- Electric blue acara is semi-aggressive and may bully much smaller peacock gudgeons.
- Electric blue acara defends its patch of the bottom and may chase peacock gudgeons, which use the same area.
Ropefish · 75+ gal
- Electric blue acara defends its patch of the bottom and may chase ropefish, which use the same area.
Rubber lip pleco · 29+ gal
- Electric blue acara defends its patch of the bottom and may chase rubber lip plecos, which use the same area.
- Rubber lip pleco defends its patch of the bottom and may chase electric blue acaras, which use the same area.
Thai micro crab · 5+ gal
- Electric blue acara may attack small crustaceans like Thai micro crabs, especially after they molt.
Vampire shrimp · 20+ gal
- Electric blue acara hunts shrimp. Larger vampire shrimp sometimes survive, but expect losses.
Zebra loach · 29+ gal
- Electric blue acara defends its patch of the bottom and may chase zebra loaches, which use the same area.
Zebra pleco · 20+ gal
- Their temperature ranges barely overlap (only around 26–27°C).
- Electric blue acara defends its patch of the bottom and may chase zebra plecos, which use the same area.
- Zebra pleco defends its patch of the bottom and may chase electric blue acaras, which use the same area.
Black ruby barb · 20+ gal
- Electric blue acara may eat black ruby barbs, especially young or small ones.
- Electric blue acara is semi-aggressive and may bully much smaller black ruby barbs.
Pearl danio · 20+ gal
- Electric blue acara may eat pearl danios, especially young or small ones.
- Electric blue acara is semi-aggressive and may bully much smaller pearl danios.
Variatus platy · 15+ gal
- One is a cold-water species and the other is tropical, so neither will be at its best.
- Electric blue acara may eat variatus platies, especially young or small ones.
- Electric blue acara is semi-aggressive and may bully much smaller variatus platies.

Avoid Bad tank mates (55)

Cherry shrimp: Electric blue acara eats small shrimp like cherry shrimp.
Common goldfish: They need different temperatures: Electric blue acara 23–27°C (73–81°F), common goldfish 15–22°C (59–72°F).
Guppy: Electric blue acara can eat guppies: they're small enough to fit in its mouth once it's grown.
Neon tetra: Electric blue acara can eat neon tetras: they're small enough to fit in its mouth once it's grown.
Panda corydoras: Electric blue acara can eat panda corydoras: they're small enough to fit in its mouth once it's grown.
Zebra danio: Electric blue acara can eat zebra danios: they're small enough to fit in its mouth once it's grown.
African dwarf frog: Electric blue acara can eat African dwarf frogs.
Cardinal tetra: Electric blue acara can eat cardinal tetras: they're small enough to fit in its mouth once it's grown.
Celestial pearl danio: Electric blue acara can eat celestial pearl danios: they're small enough to fit in its mouth once it's grown.
Cherry barb: Electric blue acara can eat cherry barbs: they're small enough to fit in its mouth once it's grown.
Chili rasbora: Electric blue acara can eat chili rasboras: they're small enough to fit in its mouth once it's grown.
Discus: They need different temperatures: Electric blue acara 23–27°C (73–81°F), discus 28–30°C (82–86°F).
Electric yellow cichlid: Electric yellow cichlid is a Lake Malawi cichlid. It needs a Lake Malawi tank: hard, alkaline water (pH 7.5–8.5), plenty of rockwork and other cichlids from the same lake. Electric blue acaras don't belong in that setup.
Ember tetra: Electric blue acara can eat ember tetras: they're small enough to fit in its mouth once it's grown.
Glowlight tetra: Electric blue acara can eat glowlight tetras: they're small enough to fit in its mouth once it's grown.
Harlequin rasbora: Electric blue acara can eat harlequin rasboras: they're small enough to fit in its mouth once it's grown.
Honey gourami: Electric blue acara can eat honey gouramis: they're small enough to fit in its mouth once it's grown.
Otocinclus: Electric blue acara can eat otocinclus: they're small enough to fit in its mouth once it's grown.
Pea puffer: Electric blue acara can eat pea puffers: they're small enough to fit in its mouth once it's grown. Pea puffer is best kept in a species-only tank.
Peacock cichlid: Peacock cichlid is a Lake Malawi cichlid. It needs a Lake Malawi tank: hard, alkaline water (pH 7.5–8.5), plenty of rockwork and other cichlids from the same lake. Electric blue acaras don't belong in that setup.
Pygmy corydoras: Electric blue acara can eat pygmy corydoras: they're small enough to fit in its mouth once it's grown.
Red zebra cichlid: Red zebra cichlid is a Lake Malawi cichlid. It needs a Lake Malawi tank: hard, alkaline water (pH 7.5–8.5), plenty of rockwork and other cichlids from the same lake. Electric blue acaras don't belong in that setup.
Rummy-nose tetra: Electric blue acara can eat rummy-nose tetras: they're small enough to fit in its mouth once it's grown.
White cloud mountain minnow: They need different temperatures: Electric blue acara 23–27°C (73–81°F), white cloud mountain minnow 16–22°C (61–72°F). Electric blue acara can eat white cloud mountain minnows: they're small enough to fit in its mouth once it's grown.
X-ray tetra: Electric blue acara can eat x-ray tetras: they're small enough to fit in its mouth once it's grown.
Black neon tetra: Electric blue acara can eat black neon tetras: they're small enough to fit in its mouth once it's grown.
Black phantom tetra: Electric blue acara can eat black phantom tetras: they're small enough to fit in its mouth once it's grown.
Bloodfin tetra: Electric blue acara can eat bloodfin tetras: they're small enough to fit in its mouth once it's grown.
Clown killifish: Electric blue acara can eat clown killifish: they're small enough to fit in its mouth once it's grown.
Crystal red shrimp: Electric blue acara eats small shrimp like crystal red shrimp.
Demasoni cichlid: Demasoni cichlid is a Lake Malawi cichlid. It needs a Lake Malawi tank: hard, alkaline water (pH 7.5–8.5), plenty of rockwork and other cichlids from the same lake. Electric blue acaras don't belong in that setup.
Emperor tetra: Electric blue acara can eat emperor tetras: they're small enough to fit in its mouth once it's grown.
Endler's livebearer: Electric blue acara can eat Endler's livebearers: they're small enough to fit in its mouth once it's grown.
Forktail blue-eye: Electric blue acara can eat forktail blue-eyes: they're small enough to fit in its mouth once it's grown.
Frontosa: Frontosa is a Lake Tanganyika cichlid. It needs a Lake Tanganyika tank: hard, alkaline water (pH 8–9), plenty of rockwork and other cichlids from the same lake. Electric blue acaras don't belong in that setup.
Head and tail light tetra: Electric blue acara can eat head and tail light tetras: they're small enough to fit in its mouth once it's grown.
Kubotai rasbora: Electric blue acara can eat kubotai rasboras: they're small enough to fit in its mouth once it's grown.
Lambchop rasbora: Electric blue acara can eat lambchop rasboras: they're small enough to fit in its mouth once it's grown.
Lemon tetra: Electric blue acara can eat lemon tetras: they're small enough to fit in its mouth once it's grown.
Marbled hatchetfish: Electric blue acara can eat marbled hatchetfish: they're small enough to fit in its mouth once it's grown.
Penguin tetra: Electric blue acara can eat penguin tetras: they're small enough to fit in its mouth once it's grown.
Rosy loach: Electric blue acara can eat rosy loaches: they're small enough to fit in its mouth once it's grown.
Rosy tetra: Electric blue acara can eat rosy tetras: they're small enough to fit in its mouth once it's grown.
Scarlet badis: Electric blue acara can eat scarlet badis: they're small enough to fit in its mouth once it's grown.
Serpae tetra: Electric blue acara can eat serpae tetras: they're small enough to fit in its mouth once it's grown.
Shell dweller cichlid: Electric blue acara can eat shell dweller cichlids: they're small enough to fit in its mouth once it's grown. Shell dweller cichlid is a Lake Tanganyika cichlid. It needs a Lake Tanganyika tank: hard, alkaline water (pH 7.5–9), plenty of rockwork and other cichlids from the same lake. Electric blue acaras don't belong in that setup.
Sparkling gourami: Electric blue acara can eat sparkling gouramis: they're small enough to fit in its mouth once it's grown.
Threadfin rainbowfish: Electric blue acara can eat threadfin rainbowfish: they're small enough to fit in its mouth once it's grown.
Checkerboard barb: Electric blue acara can eat checkerboard barbs: they're small enough to fit in its mouth once it's grown.
Dwarf rasbora: Electric blue acara can eat dwarf rasboras: they're small enough to fit in its mouth once it's grown.
Flame tetra: Electric blue acara can eat flame tetras: they're small enough to fit in its mouth once it's grown.
Glowlight danio: Electric blue acara can eat glowlight danios: they're small enough to fit in its mouth once it's grown.
Green neon tetra: Electric blue acara can eat green neon tetras: they're small enough to fit in its mouth once it's grown.
Least killifish: Electric blue acara can eat least killifish: they're small enough to fit in its mouth once it's grown.
Silvertip tetra: Electric blue acara can eat silvertip tetras: they're small enough to fit in its mouth once it's grown.

Frequently asked questions

What fish can live with electric blue acaras?

Good tank mates for electric blue acaras include nerite snail, dwarf gourami, angelfish, tiger barb, assassin snail and ramshorn snail. They need similar water and won't fight with or eat electric blue acaras.

Can electric blue acaras live with angelfish?

Yes. They share similar water needs (24–27°C (75–81°F)) and peaceful temperaments.

Can electric blue acaras live with bettas?

Sometimes, with care. Electric blue acara may eat bettas, especially young or small ones.

Can electric blue acaras live with bristlenose plecos?

Sometimes, with care. Electric blue acara defends its patch of the bottom and may chase bristlenose plecos, which use the same area. Bristlenose pleco defends its patch of the bottom and may chase electric blue acaras, which use the same area.

Can electric blue acaras live with bronze corydoras?

Sometimes, with care. Electric blue acara is semi-aggressive and may bully much smaller bronze corydoras. Electric blue acara defends its patch of the bottom and may chase bronze corydoras, which use the same area.

How we decide: we compare each pair's comfortable temperature, pH and hardness ranges, adult sizes, mouth size (who can eat whom), fin nipping, aggression and territory. Read the full method. Data last reviewed 2026-10-13.

Tank mates for electric blue acaras

Good Compatible tank mates (34)

Angelfish

Dwarf gourami

Nerite snail

Oscar

Tiger barb

Assassin snail

Bala shark

Blood parrot cichlid

Denison barb

Malaysian trumpet snail

Molly

Mystery snail

Pearl gourami

Ramshorn snail

Silver dollar

Three spot gourami

African butterfly fish

Buenos Aires tetra

Congo tetra

Giant danio

Golden wonder killifish

Jewel cichlid

Kissing gourami

Rabbit snail

Red rainbowfish

Scissortail rasbora

Severum

Swordtail

Tinfoil barb

Turquoise rainbowfish

Upside-down catfish

Keyhole cichlid

Moonlight gourami

Thick-lipped gourami

Caution Possible, with care (60)

Avoid Bad tank mates (55)

Frequently asked questions