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 313 - 336 of 735 Tank Mates

Least Killifish (Heterandria) & Gold Barb

Heterandria formosa · Barbodes semifasciolatus

Possible with Caution

Least Killifish (Heterandria): PeacefulGold Barb: Peaceful

Least Killifish (Heterandria) & Gold Laser Cory

Heterandria formosa · Corydoras sp. 'CW010'

Possible with Caution

Least Killifish (Heterandria): PeacefulGold Laser Cory: Peaceful

Least Killifish (Heterandria) & Gold Nugget Pleco (L018)

Heterandria formosa · Baryancistrus xanthellus

Possible with Caution

Least Killifish (Heterandria): PeacefulGold Nugget Pleco (L018): Semi-Aggressive

Least Killifish (Heterandria) & Gold Spot Pleco (L001 / L022)

Heterandria formosa · Pterygoplichthys joselimaianus

Possible with Caution

Least Killifish (Heterandria): PeacefulGold Spot Pleco (L001 / L022): Mostly Peaceful

Least Killifish (Heterandria) & Gold Tetra

Heterandria formosa · Hemigrammus rodwayi

Possible with Caution

Least Killifish (Heterandria): PeacefulGold Tetra: Peaceful

Least Killifish (Heterandria) & Golden Bristlenose Pleco

Heterandria formosa · Ancistrus sp. L144

Ideal Tank Mates

Least Killifish (Heterandria): PeacefulGolden Bristlenose Pleco: Peaceful

Least Killifish (Heterandria) & Golden Dwarf Barb

Heterandria formosa · Pethia gelius

Possible with Caution

Least Killifish (Heterandria): PeacefulGolden Dwarf Barb: Peaceful

Least Killifish (Heterandria) & Golden Dwarf Cichlid

Heterandria formosa · Nannacara anomala

Possible with Caution

Least Killifish (Heterandria): PeacefulGolden Dwarf Cichlid: Mostly Peaceful

Least Killifish (Heterandria) & Golden Julie

Heterandria formosa · Julidochromis ornatus

Possible with Caution

Least Killifish (Heterandria): PeacefulGolden Julie: Semi-Aggressive

Least Killifish (Heterandria) & Golden Oto

Heterandria formosa · Macrotocinclus affinis

Ideal Tank Mates

Least Killifish (Heterandria): PeacefulGolden Oto: Peaceful

Least Killifish (Heterandria) & Golden Wonder Killifish

Heterandria formosa · Aplocheilus lineatus

Least Killifish (Heterandria) & Goldfish (Comet / Common)

Heterandria formosa · Carassius auratus

Possible with Caution

Least Killifish (Heterandria): PeacefulGoldfish (Comet / Common): Peaceful

Least Killifish (Heterandria) & Goldie River Rainbowfish

Heterandria formosa · Melanotaenia goldiei

Possible with Caution

Least Killifish (Heterandria): PeacefulGoldie River Rainbowfish: Peaceful

Least Killifish (Heterandria) & Grant's Peacock Cichlid

Heterandria formosa · Aulonocara stuartgranti

Possible with Caution

Least Killifish (Heterandria): PeacefulGrant's Peacock Cichlid: Semi-Aggressive

Least Killifish (Heterandria) & Green Fire Tetra

Heterandria formosa · Aphyocharax rathbuni

Possible with Caution

Least Killifish (Heterandria): PeacefulGreen Fire Tetra: Peaceful

Least Killifish (Heterandria) & Green Neon Tetra

Heterandria formosa · Paracheirodon simulans

Least Killifish (Heterandria) & Green Phantom Pleco (L200)

Heterandria formosa · Hemiancistrus subviridis

Possible with Caution

Least Killifish (Heterandria): PeacefulGreen Phantom Pleco (L200): Semi-Aggressive

Least Killifish (Heterandria) & Green Spotted Puffer (Brackish)

Heterandria formosa · Dichotomyctere nigroviridis

Possible with Caution

Least Killifish (Heterandria): PeacefulGreen Spotted Puffer (Brackish): Highly Aggressive

Least Killifish (Heterandria) & Green Sunfish

Heterandria formosa · Lepomis cyanellus

Least Killifish (Heterandria) & Green Terror

Heterandria formosa · Andinoacara rivulatus

Least Killifish (Heterandria) & Grime Rainbowfish

Heterandria formosa · Glossolepis dorityi

Possible with Caution

Least Killifish (Heterandria): PeacefulGrime Rainbowfish: Peaceful

Least Killifish (Heterandria) & Guinean Bichir

Heterandria formosa · Polypterus ansorgii

Least Killifish (Heterandria) & Gulper Catfish

Heterandria formosa · Asterophysus batrachus

Least Killifish (Heterandria) & Guppy

Heterandria formosa · Poecilia reticulata

Possible with Caution

Least Killifish (Heterandria): PeacefulGuppy: Peaceful