Tank mates for green terrors

Good Compatible tank mates (2)

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

• Chinese algae eater

  25 cm (9.8 in) · 80+ gal

• Jack Dempsey

  20 cm (7.9 in) · 55+ gal

Caution Possible, with care (27)

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

• Angelfish · 29+ gal
  • Their temperature ranges barely overlap (only around 24–24°C).
  • Green terror is aggressive. Angelfish can hold their own only in a large tank with plenty of cover.
  • Green terror defends its patch of the tank and may chase angelfish, which use the same area.
• Betta fish · 5+ gal
  • Their temperature ranges barely overlap (only around 24–24°C).
  • Green terror may eat bettas, especially young or small ones.
  • Green terror is aggressive. Bettas can hold their own only in a large tank with plenty of cover.
• Oscar · 75+ gal
  • Their temperature ranges barely overlap (only around 23–24°C).
  • Green terror defends its patch of the tank and may chase oscars, which use the same area.
  • Oscar defends its patch of the tank and may chase green terrors, which use the same area.
• Tiger barb · 29+ gal
  • Green terror may eat tiger barbs, especially young or small ones.
  • Green terror is aggressive. Tiger barbs can hold their own only in a large tank with plenty of cover.
  • Green terror defends its patch of the tank and may chase tiger barbs, which use the same area.
• Amano shrimp · 10+ gal
  • Green terror hunts shrimp. Larger amano shrimp sometimes survive, but expect losses.
• Blood parrot cichlid · 55+ gal
  • Their temperature ranges barely overlap (only around 24–24°C).
  • Green terror is aggressive. Blood parrot cichlids can hold their own only in a large tank with plenty of cover.
  • Green terror defends its patch of the tank and may chase blood parrot cichlids, which use the same area.
  • Blood parrot cichlid defends its patch of the tank and may chase green terrors, which use the same area.
• Convict cichlid · 29+ gal
  • Their temperature ranges barely overlap (only around 24–24°C).
• Electric blue acara · 40+ 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.
• Firemouth cichlid · 29+ gal
  • Their temperature ranges barely overlap (only around 24–24°C).
  • Green terror is aggressive. Firemouth cichlids can hold their own only in a large tank with plenty of cover.
• Ghost shrimp · 10+ gal
  • Green terror hunts shrimp. Larger ghost shrimp sometimes survive, but expect losses.
• Kribensis · 29+ gal
  • Their temperature ranges barely overlap (only around 24–24°C).
  • Green terror is aggressive. Kribensis can hold their own only in a large tank with plenty of cover.
• Rainbow shark · 75+ gal
  • Green terror is aggressive. Rainbow sharks can hold their own only in a large tank with plenty of cover.
• Red-tail shark · 75+ gal
  • Green terror is aggressive. Red-tail sharks can hold their own only in a large tank with plenty of cover.
• Senegal bichir · 90+ gal
  • Their temperature ranges barely overlap (only around 24–24°C).
• Three spot gourami · 29+ gal
  • Their temperature ranges barely overlap (only around 24–24°C).
  • Green terror is aggressive. Three spot gouramis can hold their own only in a large tank with plenty of cover.
• African butterfly fish · 29+ gal
  • Their temperature ranges barely overlap (only around 24–24°C).
  • Green terror is aggressive. African butterfly fish can hold their own only in a large tank with plenty of cover.
• Bamboo shrimp · 20+ gal
  • Their temperature ranges barely overlap (only around 23–24°C).
  • Green terror hunts shrimp. Larger bamboo shrimp sometimes survive, but expect losses.
• Buenos Aires tetra · 29+ gal
  • Green terror may eat buenos Aires tetras, especially young or small ones.
  • Green terror is aggressive. Buenos Aires tetras can hold their own only in a large tank with plenty of cover.
  • Green terror defends its patch of the tank and may chase buenos Aires tetras, which use the same area.
• Cockatoo cichlid · 20+ gal
  • Their temperature ranges barely overlap (only around 24–24°C).
  • Green terror may eat cockatoo cichlids, especially young or small ones.
  • Green terror is aggressive. Cockatoo cichlids can hold their own only in a large tank with plenty of cover.
• Dwarf orange crayfish · 10+ gal
  • Green terror may attack small crustaceans like dwarf orange crayfish, especially after they molt.
• Golden wonder killifish · 20+ gal
  • Green terror is aggressive. Golden wonder killifish can hold their own only in a large tank with plenty of cover.
• Jewel cichlid · 40+ gal
  • Their temperature ranges barely overlap (only around 24–24°C).
  • Green terror defends its patch of the tank and may chase jewel cichlids, which use the same area.
  • Jewel cichlid defends its patch of the tank and may chase green terrors, which use the same area.
• Kissing gourami · 75+ gal
  • Their temperature ranges barely overlap (only around 24–24°C).
  • Green terror is aggressive. Kissing gouramis can hold their own only in a large tank with plenty of cover.
• Paradise fish · 20+ gal
  • Green terror is aggressive. Paradise fish can hold their own only in a large tank with plenty of cover.
• Severum · 55+ gal
  • Their temperature ranges barely overlap (only around 24–24°C).
  • Green terror is aggressive. Severums can hold their own only in a large tank with plenty of cover.
  • Green terror defends its patch of the tank and may chase severums, which use the same area.
  • Severum defends its patch of the tank and may chase green terrors, which use the same area.
• Thai micro crab · 5+ gal
  • Green terror may attack small crustaceans like Thai micro crabs, especially after they molt.
• Vampire shrimp · 20+ gal
  • Their temperature ranges barely overlap (only around 24–24°C).
  • Green terror hunts shrimp. Larger vampire shrimp sometimes survive, but expect losses.

Avoid Bad tank mates (120)

• Bristlenose pleco: Green terror is aggressive and will bully or injure peaceful bristlenose plecos.
• Bronze corydoras: Green terror is aggressive and will bully or injure peaceful bronze corydoras.
• Cherry shrimp: Green terror eats small shrimp like cherry shrimp.
• Common goldfish: Green terror is aggressive and will bully or injure peaceful common goldfish.
• Common pleco: Green terror is aggressive and will bully or injure peaceful common plecos.
• Dwarf gourami: Green terror is aggressive and will bully or injure peaceful dwarf gouramis.
• Fancy goldfish: Green terror is aggressive and will bully or injure peaceful fancy goldfish.
• Guppy: Green terror can eat guppies: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful guppies.
• Neon tetra: Green terror can eat neon tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful neon tetras.
• Nerite snail: Green terror eats snails, including nerite snails.
• Panda corydoras: Green terror can eat panda corydoras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful panda corydoras.
• Zebra danio: Green terror can eat zebra danios: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful zebra danios.
• African dwarf frog: Green terror can eat African dwarf frogs. Green terror is aggressive and will bully or injure peaceful African dwarf frogs.
• Assassin snail: Green terror eats snails, including assassin snails.
• Bala shark: Green terror is aggressive and will bully or injure peaceful bala sharks.
• Black skirt tetra: Green terror can eat black skirt tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful black skirt tetras.
• Boesemani rainbowfish: They need different temperatures: Green terror 20–24°C (68–75°F), boesemani rainbowfish 26–29°C (79–84°F). Green terror is aggressive and will bully or injure peaceful boesemani rainbowfish.
• Cardinal tetra: Green terror can eat cardinal tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful cardinal tetras.
• Celestial pearl danio: Green terror can eat celestial pearl danios: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful celestial pearl danios.
• Cherry barb: Green terror can eat cherry barbs: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful cherry barbs.
• Chili rasbora: Green terror can eat chili rasboras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful chili rasboras.
• Clown loach: They need different temperatures: Green terror 20–24°C (68–75°F), clown loach 25–30°C (77–86°F). Green terror is aggressive and will bully or injure peaceful clown loaches.
• Denison barb: Green terror is aggressive and will bully or injure peaceful denison barbs.
• Discus: They need different temperatures: Green terror 20–24°C (68–75°F), discus 28–30°C (82–86°F). Green terror is aggressive and will bully or injure peaceful discus.
• Dojo loach: Green terror is aggressive and will bully or injure peaceful dojo loaches.
• Dwarf neon rainbowfish: Green terror can eat dwarf neon rainbowfish: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful dwarf neon rainbowfish.
• 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. Green terrors don't belong in that setup.
• Ember tetra: Green terror can eat ember tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful ember tetras.
• German blue ram: They need different temperatures: Green terror 20–24°C (68–75°F), german blue ram 27–30°C (81–86°F). Green terror can eat German blue rams: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful German blue rams.
• Glowlight tetra: Green terror can eat glowlight tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful glowlight tetras.
• Harlequin rasbora: Green terror can eat harlequin rasboras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful harlequin rasboras.
• Hillstream loach: Green terror is aggressive and will bully or injure peaceful hillstream loaches.
• Honey gourami: Green terror can eat honey gouramis: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful honey gouramis.
• Julii corydoras: Green terror can eat julii corydoras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful julii corydoras.
• Kuhli loach: Green terror is aggressive and will bully or injure peaceful kuhli loaches.
• Malaysian trumpet snail: Green terror eats snails, including Malaysian trumpet snails.
• Molly: Green terror is aggressive and will bully or injure peaceful mollies.
• Mystery snail: Green terror eats snails, including mystery snails.
• Otocinclus: Green terror can eat otocinclus: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful otocinclus.
• Pea puffer: Green terror 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. Green terrors don't belong in that setup.
• Pearl gourami: Green terror is aggressive and will bully or injure peaceful pearl gouramis.
• Peppered corydoras: Green terror is aggressive and will bully or injure peaceful peppered corydoras.
• Pictus catfish: Green terror is aggressive and will bully or injure peaceful pictus catfish.
• Platy: Green terror can eat platies: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful platies.
• Pygmy corydoras: Green terror can eat pygmy corydoras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful pygmy corydoras.
• Ramshorn snail: Green terror eats snails, including ramshorn snails.
• 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. Green terrors don't belong in that setup.
• Rosy barb: Green terror is aggressive and will bully or injure peaceful rosy barbs.
• Rummy-nose tetra: Green terror can eat rummy-nose tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful rummy-nose tetras.
• Siamese algae eater: Green terror is aggressive and will bully or injure peaceful siamese algae eaters.
• Silver dollar: Green terror is aggressive and will bully or injure peaceful silver dollars.
• Sterbai corydoras: Green terror is aggressive and will bully or injure peaceful sterbai corydoras.
• White cloud mountain minnow: Green terror can eat white cloud mountain minnows: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful white cloud mountain minnows.
• X-ray tetra: Green terror can eat x-ray tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful x-ray tetras.
• Yoyo loach: Green terror is aggressive and will bully or injure peaceful yoyo loaches.
• Agassiz's dwarf cichlid: They need different temperatures: Green terror 20–24°C (68–75°F), agassiz's dwarf cichlid 25–29°C (77–84°F).
• Black ghost knifefish: Green terror is aggressive and will bully or injure peaceful black ghost knifefish.
• Black neon tetra: Green terror can eat black neon tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful black neon tetras.
• Black phantom tetra: Green terror can eat black phantom tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful black phantom tetras.
• Bleeding heart tetra: Green terror is aggressive and will bully or injure peaceful bleeding heart tetras.
• Bloodfin tetra: Green terror can eat bloodfin tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful bloodfin tetras.
• Bolivian ram: Green terror is aggressive and will bully or injure peaceful Bolivian rams.
• Bumblebee catfish: Green terror is aggressive and will bully or injure peaceful bumblebee catfish.
• Clown killifish: Green terror can eat clown killifish: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful clown killifish.
• Clown pleco: Green terror is aggressive and will bully or injure peaceful clown plecos.
• Congo tetra: Green terror is aggressive and will bully or injure peaceful Congo tetras.
• Crystal red shrimp: Green terror 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. Green terrors don't belong in that setup.
• Diamond tetra: Green terror can eat diamond tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful diamond tetras.
• Dwarf chain loach: Green terror can eat dwarf chain loaches: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful dwarf chain loaches.
• Emerald green corydoras: Green terror is aggressive and will bully or injure peaceful emerald green corydoras.
• Emperor tetra: Green terror can eat emperor tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful emperor tetras.
• Endler's livebearer: Green terror can eat Endler's livebearers: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful Endler's livebearers.
• Forktail blue-eye: Green terror can eat forktail blue-eyes: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful forktail blue-eyes.
• 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. Green terrors don't belong in that setup.
• Gardneri killifish: Green terror can eat gardneri killifish: they're small enough to fit in its mouth once it's grown.
• Giant danio: Green terror is aggressive and will bully or injure peaceful giant danios.
• Glass catfish: Green terror is aggressive and will bully or injure peaceful glass catfish.
• Gold barb: Green terror is aggressive and will bully or injure peaceful gold barbs.
• Head and tail light tetra: Green terror can eat head and tail light tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful head and tail light tetras.
• Kubotai rasbora: Green terror can eat kubotai rasboras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful kubotai rasboras.
• Lambchop rasbora: Green terror can eat lambchop rasboras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful lambchop rasboras.
• Lemon tetra: Green terror can eat lemon tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful lemon tetras.
• Marbled hatchetfish: Green terror can eat marbled hatchetfish: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful marbled hatchetfish.
• Odessa barb: Green terror can eat odessa barbs: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful odessa barbs.
• Panda garra: Green terror is aggressive and will bully or injure peaceful panda garras.
• Peacock gudgeon: Green terror can eat peacock gudgeons: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful peacock gudgeons.
• Penguin tetra: Green terror can eat penguin tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful penguin tetras.
• Rabbit snail: They need different temperatures: Green terror 20–24°C (68–75°F), rabbit snail 25–29°C (77–84°F). Green terror eats snails, including rabbit snails.
• Red rainbowfish: Green terror is aggressive and will bully or injure peaceful red rainbowfish.
• Ropefish: Green terror is aggressive and will bully or injure peaceful ropefish.
• Rosy loach: Green terror can eat rosy loaches: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful rosy loaches.
• Rosy tetra: Green terror can eat rosy tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful rosy tetras.
• Rubber lip pleco: Green terror is aggressive and will bully or injure peaceful rubber lip plecos.
• Scarlet badis: Green terror can eat scarlet badis: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful scarlet badis.
• Scissortail rasbora: Green terror is aggressive and will bully or injure peaceful scissortail rasboras.
• Serpae tetra: Green terror can eat serpae tetras: they're small enough to fit in its mouth once it's grown.
• Shell dweller cichlid: Green terror 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. Green terrors don't belong in that setup.
• Sparkling gourami: Green terror can eat sparkling gouramis: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful sparkling gouramis.
• Swordtail: Green terror is aggressive and will bully or injure peaceful swordtails.
• Threadfin rainbowfish: Green terror can eat threadfin rainbowfish: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful threadfin rainbowfish.
• Tinfoil barb: Green terror is aggressive and will bully or injure peaceful tinfoil barbs.
• Turquoise rainbowfish: Green terror is aggressive and will bully or injure peaceful turquoise rainbowfish.
• Upside-down catfish: Green terror is aggressive and will bully or injure peaceful upside-down catfish.
• Zebra loach: Green terror is aggressive and will bully or injure peaceful zebra loaches.
• Zebra pleco: They need different temperatures: Green terror 20–24°C (68–75°F), zebra pleco 26–30°C (79–86°F). Green terror is aggressive and will bully or injure peaceful zebra plecos.
• Black ruby barb: Green terror can eat black ruby barbs: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful black ruby barbs.
• Checkerboard barb: Green terror can eat checkerboard barbs: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful checkerboard barbs.
• Dwarf rasbora: Green terror can eat dwarf rasboras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful dwarf rasboras.
• Flame tetra: Green terror can eat flame tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful flame tetras.
• Glowlight danio: Green terror can eat glowlight danios: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful glowlight danios.
• Green neon tetra: Green terror can eat green neon tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful green neon tetras.
• Keyhole cichlid: Green terror is aggressive and will bully or injure peaceful keyhole cichlids.
• Least killifish: Green terror can eat least killifish: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful least killifish.
• Moonlight gourami: They need different temperatures: Green terror 20–24°C (68–75°F), moonlight gourami 25–29°C (77–84°F). Green terror is aggressive and will bully or injure peaceful moonlight gouramis.
• Pearl danio: Green terror can eat pearl danios: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful pearl danios.
• Silvertip tetra: Green terror can eat silvertip tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful silvertip tetras.
• Thick-lipped gourami: Green terror is aggressive and will bully or injure peaceful thick-lipped gouramis.
• Variatus platy: Green terror can eat variatus platies: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful variatus platies.