Least Killifish (Heterandria) & African Butterfly Cichlid
Heterandria formosa · Anomalochromis thomasi
Least Killifish (Heterandria): PeacefulAfrican Butterfly Cichlid: Mostly Peaceful
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Least Killifish (Heterandria) Tank Mates & Compatibility
Least Killifish (Heterandria)
Heterandria formosa
TemperamentPeaceful (1/10)
Adult Size3.5 cm
Temperature18–27°C
Water TypeBrackish Tolerant
Swim ZoneSurface, Mid-level, Bottom
StockingGroup of 3+
Showing 1 - 24 of 183 Tank Mates
🟡Possible with Caution
Least Killifish (Heterandria) & African Butterfly Fish
Heterandria formosa · Pantodon buchholzi
Least Killifish (Heterandria): PeacefulAfrican Butterfly Fish: Semi-Aggressive
Least Killifish (Heterandria) & African Jewel Cichlid
Heterandria formosa · Hemichromis bimaculatus
Least Killifish (Heterandria): PeacefulAfrican Jewel Cichlid: Aggressive
Least Killifish (Heterandria) & African Lungfish
Heterandria formosa · Protopterus annectens
Least Killifish (Heterandria): PeacefulAfrican Lungfish: Highly Aggressive
Least Killifish (Heterandria) & Agassiz's Dwarf Cichlid
Heterandria formosa · Apistogramma agassizii
Least Killifish (Heterandria): PeacefulAgassiz's Dwarf Cichlid: Semi-Aggressive
Least Killifish (Heterandria) & Amano Shrimp
Heterandria formosa · Caridina multidentata
Least Killifish (Heterandria): PeacefulAmano Shrimp: Peaceful
Least Killifish (Heterandria) & Amazon Leaf Fish
Heterandria formosa · Monocirrhus polyacanthus
Least Killifish (Heterandria): PeacefulAmazon Leaf Fish: Peaceful
Least Killifish (Heterandria) & Amazon Puffer
Heterandria formosa · Colomesus asellus
Least Killifish (Heterandria): PeacefulAmazon Puffer: Mostly Peaceful
Least Killifish (Heterandria) & Apple Snail
Heterandria formosa · Pomacea maculata
Least Killifish (Heterandria): PeacefulApple Snail: Peaceful
Least Killifish (Heterandria) & Assassin Snail
Heterandria formosa · Clea helena
Least Killifish (Heterandria): PeacefulAssassin Snail: Peaceful
Least Killifish (Heterandria) & Auratus Cichlid (Mbuna)
Heterandria formosa · Melanochromis auratus
Least Killifish (Heterandria): PeacefulAuratus Cichlid (Mbuna): Highly Aggressive
Least Killifish (Heterandria) & Bala Shark
Heterandria formosa · Balantiocheilos melanopterus
Least Killifish (Heterandria): PeacefulBala Shark: Mostly Peaceful
Least Killifish (Heterandria) & Bamboo Shrimp
Heterandria formosa · Atyopsis moluccensis
Least Killifish (Heterandria): PeacefulBamboo Shrimp: Peaceful
Least Killifish (Heterandria) & Banded Archerfish (Brackish)
Heterandria formosa · Toxotes jaculatrix
Least Killifish (Heterandria): PeacefulBanded Archerfish (Brackish): Semi-Aggressive
Least Killifish (Heterandria) & Beckford's Pencilfish
Heterandria formosa · Nannostomus beckfordi
Least Killifish (Heterandria): PeacefulBeckford's Pencilfish: Peaceful
Least Killifish (Heterandria) & Bee Shrimp (Crystal Red / Black)
Heterandria formosa · Caridina cantonensis
Least Killifish (Heterandria): PeacefulBee Shrimp (Crystal Red / Black): Peaceful
Least Killifish (Heterandria) & Betta (Siamese Fighting Fish)
Heterandria formosa · Betta splendens
Least Killifish (Heterandria): PeacefulBetta (Siamese Fighting Fish): Semi-Aggressive
Least Killifish (Heterandria) & Black Ghost Knifefish
Heterandria formosa · Apteronotus albifrons
Least Killifish (Heterandria): PeacefulBlack Ghost Knifefish: Semi-Aggressive
Least Killifish (Heterandria) & Black Neon Tetra
Heterandria formosa · Hyphessobrycon herbertaxelrodi
Least Killifish (Heterandria): PeacefulBlack Neon Tetra: Peaceful
Least Killifish (Heterandria) & Black Pacu
Heterandria formosa · Colossoma macropomum
Least Killifish (Heterandria): PeacefulBlack Pacu: Mostly Peaceful
Least Killifish (Heterandria) & Black Skirt Tetra
Heterandria formosa · Gymnocorymbus ternetzi
Least Killifish (Heterandria): PeacefulBlack Skirt Tetra: Mostly Peaceful
Least Killifish (Heterandria) & Bladder Snail (Pest Snail)
Heterandria formosa · Physella acuta
Least Killifish (Heterandria): PeacefulBladder Snail (Pest Snail): Peaceful
Least Killifish (Heterandria) & Bleeding Heart Tetra
Heterandria formosa · Hyphessobrycon erythrostigma
Least Killifish (Heterandria): PeacefulBleeding Heart Tetra: Peaceful
Least Killifish (Heterandria) & Blind Cave Tetra
Heterandria formosa · Astyanax mexicanus
Least Killifish (Heterandria): PeacefulBlind Cave Tetra: Mostly Peaceful