Duckweed

Notes

Tiny green discs. Spreads explosively and is impossible to eradicate once introduced, never add to a tank you might want to share plants with later.

More photos

Photos: Nadiatalent / Wikimedia Commons · Lamiot / Wikimedia Commons · Lamiot / Wikimedia Commons

Compatible Fish

Fish that pair well with Duckweed

Duckweed works with almost any peaceful community fish. The list below highlights the ones most commonly kept alongside it, with any known grazers flagged so you can avoid a shredded plant tank.

Adolfo's Cory

Safe

Adolfo's Cory coexists with Duckweed — no grazing, no uprooting, no leaf damage.

African Butterfly Fish

Safe

African Butterfly Fish coexists with Duckweed — no grazing, no uprooting, no leaf damage.

African Dwarf Frog

Safe

African Dwarf Frog coexists with Duckweed — no grazing, no uprooting, no leaf damage.

Agassizi's Dwarf Cichlid

Safe

Agassizi's Dwarf Cichlid coexists with Duckweed — no grazing, no uprooting, no leaf damage.

Angelfish

Safe

Angelfish coexists with Duckweed — no grazing, no uprooting, no leaf damage.

Assassin Snail

Safe

Assassin Snail coexists with Duckweed — no grazing, no uprooting, no leaf damage.

Auratus Cichlid

Safe

Auratus Cichlid coexists with Duckweed — no grazing, no uprooting, no leaf damage.

Australian Rainbowfish

Safe

Australian Rainbowfish coexists with Duckweed — no grazing, no uprooting, no leaf damage.

Bala Shark

Safe

Bala Shark coexists with Duckweed — no grazing, no uprooting, no leaf damage.

Banjo Catfish

Safe

Banjo Catfish coexists with Duckweed — no grazing, no uprooting, no leaf damage.

Black Ghost Knife

Safe

Black Ghost Knife coexists with Duckweed — no grazing, no uprooting, no leaf damage.

Black Neon Tetra

Safe

Black Neon Tetra coexists with Duckweed — no grazing, no uprooting, no leaf damage.

Fish to avoid

Black Moor Goldfish

Avoid

Black Moor Goldfish is a persistent grazer and will shred Duckweed within weeks. Stick to Anubias, Java Fern, Bolbitis, or moss for a grazer tank.

Buenos Aires Tetra

Avoid

Buenos Aires Tetra is a persistent grazer and will shred Duckweed within weeks. Stick to Anubias, Java Fern, Bolbitis, or moss for a grazer tank.

Comet Goldfish

Avoid

Comet Goldfish is a persistent grazer and will shred Duckweed within weeks. Stick to Anubias, Java Fern, Bolbitis, or moss for a grazer tank.

Common Goldfish

Avoid

Common Goldfish is a persistent grazer and will shred Duckweed within weeks. Stick to Anubias, Java Fern, Bolbitis, or moss for a grazer tank.

Fantail Goldfish

Avoid

Fantail Goldfish is a persistent grazer and will shred Duckweed within weeks. Stick to Anubias, Java Fern, Bolbitis, or moss for a grazer tank.

Lionhead Goldfish

Avoid

Lionhead Goldfish is a persistent grazer and will shred Duckweed within weeks. Stick to Anubias, Java Fern, Bolbitis, or moss for a grazer tank.

Oranda Goldfish

Avoid

Oranda Goldfish is a persistent grazer and will shred Duckweed within weeks. Stick to Anubias, Java Fern, Bolbitis, or moss for a grazer tank.

Oscar

Avoid

Oscar is a persistent grazer and will shred Duckweed within weeks. Stick to Anubias, Java Fern, Bolbitis, or moss for a grazer tank.