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Least Killifish (Heterandria) Tank Mates & Compatibility

Least Killifish (Heterandria)

Heterandria formosa

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TemperamentPeaceful (1/10)
Adult Size3.5 cm
Temperature18–27°C
Water TypeBrackish Tolerant
Swim ZoneSurface, Mid-level, Bottom
StockingGroup of 3+
Showing 73 - 96 of 735 Tank Mates

Least Killifish (Heterandria) & Bala Shark

Heterandria formosa · Balantiocheilos melanopterus

Not Recommended
Least Killifish (Heterandria): PeacefulBala Shark: Mostly Peaceful

Least Killifish (Heterandria) & Balloon Molly

Heterandria formosa · Poecilia latipinna hybrid

Possible with Caution
Least Killifish (Heterandria): PeacefulBalloon Molly: Mostly Peaceful

Least Killifish (Heterandria) & Bamboo Shrimp

Heterandria formosa · Atyopsis moluccensis

Possible with Caution
Least Killifish (Heterandria): PeacefulBamboo Shrimp: Peaceful

Least Killifish (Heterandria) & Banana Loach

Heterandria formosa · Acantopsis choirorhynchos

Ideal Tank Mates
Least Killifish (Heterandria): PeacefulBanana Loach: Peaceful

Least Killifish (Heterandria) & Banded Apistogramma

Heterandria formosa · Apistogramma bitaeniata

Not Recommended
Least Killifish (Heterandria): PeacefulBanded Apistogramma: Semi-Aggressive

Least Killifish (Heterandria) & Banded Archerfish (Brackish)

Heterandria formosa · Toxotes jaculatrix

Not Recommended
Least Killifish (Heterandria): PeacefulBanded Archerfish (Brackish): Semi-Aggressive

Least Killifish (Heterandria) & Banded Chromide

Heterandria formosa · Etroplus suratensis

Possible with Caution
Least Killifish (Heterandria): PeacefulBanded Chromide: Semi-Aggressive

Least Killifish (Heterandria) & Banded Cichlid

Heterandria formosa · Heros notatus

Not Recommended
Least Killifish (Heterandria): PeacefulBanded Cichlid: Mostly Peaceful

Least Killifish (Heterandria) & Banded Gourami

Heterandria formosa · Trichogaster fasciata

Possible with Caution
Least Killifish (Heterandria): PeacefulBanded Gourami: Mostly Peaceful

Least Killifish (Heterandria) & Banded Leporinus

Heterandria formosa · Leporinus fasciatus

Possible with Caution
Least Killifish (Heterandria): PeacefulBanded Leporinus: Aggressive

Least Killifish (Heterandria) & Banded Rainbowfish

Heterandria formosa · Melanotaenia trifasciata

Possible with Caution
Least Killifish (Heterandria): PeacefulBanded Rainbowfish: Peaceful

Least Killifish (Heterandria) & Bandit Cory

Heterandria formosa · Corydoras metae

Possible with Caution
Least Killifish (Heterandria): PeacefulBandit Cory: Peaceful

Least Killifish (Heterandria) & Banjo Catfish

Heterandria formosa · Bunocephalus coracoideus

Possible with Caution
Least Killifish (Heterandria): PeacefulBanjo Catfish: Peaceful

Least Killifish (Heterandria) & Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)

Heterandria formosa · Apistogramma barlowi

Not Recommended
Least Killifish (Heterandria): PeacefulBarlow's Dwarf Cichlid (Apistogramma Maulbrüter): Mostly Peaceful

Least Killifish (Heterandria) & Barred Rainbowfish

Heterandria formosa · Chilatherina fasciata

Possible with Caution
Least Killifish (Heterandria): PeacefulBarred Rainbowfish: Peaceful

Least Killifish (Heterandria) & Batanta Rainbowfish

Heterandria formosa · Melanotaenia batanta

Possible with Caution
Least Killifish (Heterandria): PeacefulBatanta Rainbowfish: Peaceful

Least Killifish (Heterandria) & Bearded Cory

Heterandria formosa · Scleromystax barbatus

Possible with Caution
Least Killifish (Heterandria): PeacefulBearded Cory: Peaceful

Least Killifish (Heterandria) & Beckford's Pencilfish

Heterandria formosa · Nannostomus beckfordi

Possible with Caution
Least Killifish (Heterandria): PeacefulBeckford's Pencilfish: Peaceful

Least Killifish (Heterandria) & Bee Shrimp

Heterandria formosa · Caridina logemanni

Not Recommended
Least Killifish (Heterandria): PeacefulBee Shrimp: Peaceful

Least Killifish (Heterandria) & Bee Shrimp (Crystal Red / Black)

Heterandria formosa · Caridina cantonensis

Not Recommended
Least Killifish (Heterandria): PeacefulBee Shrimp (Crystal Red / Black): Peaceful

Least Killifish (Heterandria) & Bengal Loach

Heterandria formosa · Botia dario

Possible with Caution
Least Killifish (Heterandria): PeacefulBengal Loach: Mostly Peaceful

Least Killifish (Heterandria) & Bentos Tetra

Heterandria formosa · Hyphessobrycon bentosi

Possible with Caution
Least Killifish (Heterandria): PeacefulBentos Tetra: Peaceful

Least Killifish (Heterandria) & Betta (Siamese Fighting Fish)

Heterandria formosa · Betta splendens

Possible with Caution
Least Killifish (Heterandria): PeacefulBetta (Siamese Fighting Fish): Semi-Aggressive

Least Killifish (Heterandria) & Betta Imbellis

Heterandria formosa · Betta imbellis

Possible with Caution
Least Killifish (Heterandria): PeacefulBetta Imbellis: Mostly Peaceful