Freshwater Fish Compatibility Chart - Rate My Fish Tank

Freshwater Fish Compatibility Chart

	usually compatible
	sometimes compatible
	rarely compatible

African (asst.)

Angelfish

Asian Fish (asst.)

Barb

Betta

Catfish (Corydoras)

Catfish (Synodontis)

Catfish/Scavenger

Central American (asst.)

Danio

Discus

Dwarf Gourami

Eel

Fancy Guppy

Goldfish

Gourami

Haplochromis

Invertebrate

Killie Fish

Knife Fish

Koi

Lake Malawi Cichlid

Lake Tanganyika Cichlid

Lake Victoria Cichlid

Loaches/Botia

Molly

Mono/Scat

Oscars

Platies/Variatus

Plecostomus

Puffers/Brackish (asst.)

Rainbowfish

Rasbora

Shark

South American (asst.)

South American Cichlid

S. American Cichlid (Dwarf)

Swordtail

Tetra

West African Cichlid

Plant

African (asst.)

H

H

M

H

H

H

H

M

H

H

L

H

H

H

M

H

M

M

L

M

L

M

M

M

H

H

H

M

M

H

H

H

H

H

H

M

H

H

H

M

H

Angelfish

H

H

M

M

M

H

H

M

H

H

L

H

H

L

L

M

L

M

L

M

L

L

M

L

H

H

M

L

H

H

L

H

H

H

H

L

H

H

H

M

H

Asian Fish (asst.)

M

M

M

H

H

H

H

H

L

H

L

H

L

H

L

M

L

M

L

M

L

L

L

L

M

H

M

L

H

H

L

H

H

M

L

L

H

H

H

L

H

Barb

H

M

H

H

M

H

H

M

H

H

L

M

H

M

L

M

M

M

M

M

L

M

M

M

H

H

H

L

H

H

M

M

H

H

H

M

H

H

M

H

H

Betta

H

M

H

M

L

H

H

M

H

M

L

H

M

M

L

M

L

M

L

M

L

L

L

L

H

H

L

L

H

H

L

H

H

M

H

L

M

M

H

L

H

Catfish (Corydoras)

H

H

H

H

H

H

H

M

H

H

H

H

H

H

M

H

M

H

H

M

L

L

M

L

H

H

M

L

H

H

M

H

H

H

H

M

H

H

H

H

H

Catfish (Synodontis)

H

H

H

H

H

H

H

M

H

H

L

H

H

M

M

H

H

H

H

M

L

H

H

H

H

H

M

M

H

H

M

H

H

H

H

M

H

H

H

H

H

Catfish/Scavenger

M

M

H

M

M

M

M

M

M

M

L

M

M

M

M

M

M

H

H

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

M

Central American (asst.)

H

H

L

H

H

H

H

M

H

H

L

M

M

L

M

H

M

L

L

H

L

M

H

M

M

H

H

M

H

H

H

H

H

H

H

M

H

H

M

H

M

Danio

H

H

H

H

M

H

H

M

H

H

L

H

H

M

M

H

M

H

H

M

L

M

M

M

H

H

M

L

H

H

H

H

H

H

H

L

H

H

H

H

H

Discus

L

L

L

L

L

H

L

L

L

L

H

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

H

L

M

L

H

Dwarf Gourami

H

H

H

M

H

H

H

M

M

H

L

H

H

H

M

M

L

M

M

M

L

L

L

L

H

H

L

L

H

H

M

H

H

H

M

L

H

H

H

M

H

Eel

H

H

M

H

M

H

H

M

M

H

L

H

M

L

M

H

M

M

L

M

L

L

M

L

H

H

H

M

H

H

H

H

H

H

M

M

H

H

M

M

H

Fancy Guppy

H

L

H

M

M

H

M

M

L

M

L

H

L

H

L

L

L

H

L

M

L

L

L

L

M

H

L

L

H

H

M

M

H

L

L

L

L

L

M

L

H

Goldfish

M

L

L

L

L

M

M

M

M

M

L

M

M

L

H

M

L

L

L

M

H

L

L

L

M

M

L

L

M

M

L

L

M

M

M

L

M

M

L

L

M

Gourami

H

M

M

M

M

H

H

M

H

H

L

M

H

L

M

H

L

M

M

M

L

L

M

L

H

H

H

L

H

H

H

H

H

H

H

M

H

H

H

M

H

Haplochromis

M

L

L

M

L

M

H

M

M

M

L

L

M

L

L

L

H

L

L

M

L

H

M

H

M

L

L

L

L

H

L

M

L

M

M

L

L

L

L

M

L

Invertebrate

M

M

M

M

M

H

H

H

L

H

L

M

M

H

L

M

L

M

L

M

L

L

L

L

L

L

L

L

M

L

L

M

L

L

L

L

M

L

L

L

M

Killie Fish

L

L

L

M

L

H

H

H

L

H

L

M

L

L

L

M

L

L

H

L

L

L

L

L

M

H

M

L

M

H

L

H

M

L

L

L

M

H

M

L

H

Knife Fish

M

M

M

M

M

M

M

M

H

M

L

M

M

M

M

M

M

M

L

M

L

L

M

L

M

M

M

M

M

H

M

M

M

M

H

M

M

M

M

M

H

Koi

L

L

L

L

L

L

L

M

L

L

L

L

L

L

H

L

L

L

L

L

H

L

L

L

L

L

L

L

L

M

L

L

L

L

L

L

L

L

L

L

M

Lake Malawi Cichlid

M

L

L

M

L

L

H

M

M

M

L

L

L

L

L

L

H

L

L

L

L

H

M

H

M

L

L

L

L

M

L

M

L

M

M

L

L

L

L

M

L

Lake Tanganyika Cichlid

M

M

L

M

L

M

H

M

H

M

L

L

M

L

L

M

M

L

L

M

L

M

H

M

M

L

L

L

L

M

M

M

M

M

H

L

M

M

M

M

L

Lake Victoria Cichlid

M

L

L

M

L

L

H

M

M

M

L

L

L

L

L

L

H

L

L

L

L

H

M

H

M

L

L

L

L

M

L

M

L

M

M

L

L

L

L

M

L

Loaches/Botia

H

H

M

H

H

H

H

M

M

H

L

H

H

M

M

H

M

L

M

M

L

M

M

M

M

H

H

M

H

H

H

H

H

H

M

M

H

H

H

M

H

Molly

H

H

H

H

H

H

H

M

H

H

L

H

H

H

M

H

L

L

H

M

L

L

L

L

H

H

M

L

H

H

H

H

H

H

H

L

M

H

H

M

H

Mono/Scat

H

M

M

H

L

M

M

M

H

M

L

L

H

L

L

H

L

L

M

M

L

L

L

L

H

M

H

L

M

H

H

M

M

H

H

M

M

H

M

M

M

Oscars

M

L

L

L

L

L

M

M

M

L

L

L

M

L

L

L

L

L

L

M

L

L

L

L

M

L

L

H

L

H

L

L

L

M

M

H

L

L

L

M

M

Platies/Variatus

M

H

H

H

H

H

H

M

H

H

L

H

H

H

M

H

L

M

M

M

L

L

L

L

H

H

M

L

H

H

M

H

H

H

H

L

M

H

H

M

H

Plecostomus

H

H

H

H

H

H

H

M

H

H

L

H

H

H

M

H

H

L

H

H

M

M

M

M

H

H

H

H

H

M

H

H

H

H

H

M

H

H

H

H

M

Puffers/Brackish (asst.)

H

M

L

M

L

M

M

M

H

H

L

M

H

M

L

H

L

L

L

M

L

L

M

L

H

H

H

L

M

H

M

H

H

H

H

L

M

H

M

M

H

Rainbowfish

H

H

H

M

H

H

H

M

H

H

L

H

H

M

L

H

M

M

H

M

L

M

M

M

H

H

M

L

H

H

H

H

H

H

H

L

H

H

H

M

H

Rasbora

H

H

H

H

H

H

H

M

H

H

L

H

H

H

M

H

L

L

M

M

L

L

M

L

H

H

M

L

H

H

H

H

H

H

H

L

H

H

H

M

H

Shark

H

H

M

H

M

H

H

M

H

H

L

H

H

L

M

H

M

L

L

M

L

M

M

M

H

H

H

M

H

H

H

H

H

H

H

M

H

H

H

H

H

South American (asst.)

H

H

L

H

H

H

H

M

H

H

L

M

M

L

M

H

M

L

L

H

L

M

H

M

M

H

H

M

H

H

H

H

H

H

H

M

H

H

M

H

M

South American Cichlid

M

L

L

M

L

M

M

M

M

L

L

L

M

L

L

M

L

L

L

M

L

L

L

L

M

L

M

H

L

M

L

L

L

M

M

H

H

L

L

M

M

S. American Cichlid (Dwarf)

H

H

H

H

M

H

H

M

H

H

H

H

H

L

M

H

L

M

M

M

H

H

M

L

H

M

M

L

M

H

M

H

H

H

H

H

H

M

M

M

H

Swordtail

H

H

H

H

M

H

H

M

H

H

L

H

H

L

M

H

L

L

H

M

L

L

M

L

H

H

H

L

H

H

H

H

H

H

H

L

M

H

H

H

H

Tetra

H

H

H

M

H

H

H

M

M

H

M

H

M

M

L

H

L

L

M

M

L

L

M

L

H

H

M

L

H

H

M

H

H

H

M

L

M

H

H

M

H

West African Cichlid

M

M

L

H

L

H

H

M

H

H

L

M

M

L

L

M

M

L

L

M

L

M

M

M

M

M

M

M

M

H

M

M

M

H

H

M

M

H

M

H

M

Plant

H

H

H

H

H

H

H

M

M

H

H

H

H

H

M

H

L

M

H

H

M

L

L

L

H

H

M

M

H

M

H

H

H

H

M

M

H

H

H

M

H