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 385 - 408 of 735 Tank Mates

Least Killifish (Heterandria) & Lemon Cichlid (Leleupi)

Heterandria formosa · Neolamprologus leleupi

Possible with Caution

Least Killifish (Heterandria): PeacefulLemon Cichlid (Leleupi): Aggressive

Least Killifish (Heterandria) & Lemon Tetra

Heterandria formosa · Hyphessobrycon pulchripinnis

Possible with Caution

Least Killifish (Heterandria): PeacefulLemon Tetra: Peaceful

Least Killifish (Heterandria) & Leopard Bushfish (Ctenopoma)

Heterandria formosa · Ctenopoma acutirostre

Least Killifish (Heterandria) & Leopard Cory

Heterandria formosa · Corydoras leopardus

Possible with Caution

Least Killifish (Heterandria): PeacefulLeopard Cory: Peaceful

Least Killifish (Heterandria) & Leopard Frog Pleco (L134)

Heterandria formosa · Peckoltia compta

Possible with Caution

Least Killifish (Heterandria): PeacefulLeopard Frog Pleco (L134): Mostly Peaceful

Least Killifish (Heterandria) & Leopard Pleco

Heterandria formosa · Pterygoplichthys gibbiceps

Least Killifish (Heterandria) & Leopoldi Stingray (Black Diamond)

Heterandria formosa · Potamotrygon leopoldi

Least Killifish (Heterandria) & Lesser Spiny Eel

Heterandria formosa · Macrognathus aculeatus

Least Killifish (Heterandria) & Licorice Gourami

Heterandria formosa · Parosphromenus deissneri

Least Killifish (Heterandria) & Lima Shovelnose Catfish

Heterandria formosa · Sorubim lima

Least Killifish (Heterandria) & Livingston's Cichlid

Heterandria formosa · Nimbochromis livingstonii

Least Killifish (Heterandria) & Long-Finned African Tetra

Heterandria formosa · Brycinus longipinnis

Possible with Caution

Least Killifish (Heterandria): PeacefulLong-Finned African Tetra: Peaceful

Least Killifish (Heterandria) & Longear Sunfish

Heterandria formosa · Lepomis megalotis

Least Killifish (Heterandria) & Longnose Gar

Heterandria formosa · Lepisosteus osseus

Least Killifish (Heterandria) & Lorentz's Rainbowfish

Heterandria formosa · Chilatherina lorentzii

Possible with Caution

Least Killifish (Heterandria): PeacefulLorentz's Rainbowfish: Peaceful

Least Killifish (Heterandria) & Loricaria lata (L010)

Heterandria formosa · Loricaria lata

Ideal Tank Mates

Least Killifish (Heterandria): PeacefulLoricaria lata (L010): Mostly Peaceful

Least Killifish (Heterandria) & Loricaria lentiginosa

Heterandria formosa · Loricaria lentiginosa

Ideal Tank Mates

Least Killifish (Heterandria): PeacefulLoricaria lentiginosa: Peaceful

Least Killifish (Heterandria) & Loricaria lundbergi

Heterandria formosa · Loricaria lundbergi

Possible with Caution

Least Killifish (Heterandria): PeacefulLoricaria lundbergi: Peaceful

Least Killifish (Heterandria) & Loricaria pumila (Dwarf Whiptail Catfish)

Heterandria formosa · Loricaria pumila

Ideal Tank Mates

Least Killifish (Heterandria): PeacefulLoricaria pumila (Dwarf Whiptail Catfish): Peaceful

Least Killifish (Heterandria) & Loricaria spinulifera

Heterandria formosa · Loricaria spinulifera

Ideal Tank Mates

Least Killifish (Heterandria): PeacefulLoricaria spinulifera: Peaceful

Least Killifish (Heterandria) & Loxozonus Corydoras (C079/C082)

Heterandria formosa · Corydoras loxozonus

Possible with Caution

Least Killifish (Heterandria): PeacefulLoxozonus Corydoras (C079/C082): Peaceful

Least Killifish (Heterandria) & Lyretail Killifish

Heterandria formosa · Aphyosemion australe

Possible with Caution

Least Killifish (Heterandria): PeacefulLyretail Killifish: Mostly Peaceful

Least Killifish (Heterandria) & MacCulloch's Rainbowfish (Dwarf Rainbowfish)

Heterandria formosa · Melanotaenia maccullochi

Possible with Caution

Least Killifish (Heterandria): PeacefulMacCulloch's Rainbowfish (Dwarf Rainbowfish): Peaceful

Least Killifish (Heterandria) & Macaw Cichlid

Heterandria formosa · Hypsophrys nicaraguensis

Possible with Caution

Least Killifish (Heterandria): PeacefulMacaw Cichlid: Aggressive