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 505 - 528 of 735 Tank Mates

Least Killifish (Heterandria) & Pearl Gourami

Heterandria formosa · Trichopodus leerii

Possible with Caution

Least Killifish (Heterandria): PeacefulPearl Gourami: Mostly Peaceful

Least Killifish (Heterandria) & Pearly Ocellatus

Heterandria formosa · Neolamprologus stappersi

Possible with Caution

Least Killifish (Heterandria): PeacefulPearly Ocellatus: Aggressive

Least Killifish (Heterandria) & Penguin Tetra

Heterandria formosa · Thayeria boehlkei

Possible with Caution

Least Killifish (Heterandria): PeacefulPenguin Tetra: Peaceful

Least Killifish (Heterandria) & Peppered Corydoras

Heterandria formosa · Corydoras paleatus

Possible with Caution

Least Killifish (Heterandria): PeacefulPeppered Corydoras: Peaceful

Least Killifish (Heterandria) & Peppermint Pleco

Heterandria formosa · Parancistrus nudiventris

Possible with Caution

Least Killifish (Heterandria): PeacefulPeppermint Pleco: Mostly Peaceful

Least Killifish (Heterandria) & Peter's Elephantnose Fish

Heterandria formosa · Gnathonemus petersii

Possible with Caution

Least Killifish (Heterandria): PeacefulPeter's Elephantnose Fish: Mostly Peaceful

Least Killifish (Heterandria) & Petricola Catfish

Heterandria formosa · Synodontis petricola

Possible with Caution

Least Killifish (Heterandria): PeacefulPetricola Catfish: Peaceful

Least Killifish (Heterandria) & Phuket Loach

Heterandria formosa · Schistura robertsi

Possible with Caution

Least Killifish (Heterandria): PeacefulPhuket Loach: Semi-Aggressive

Least Killifish (Heterandria) & Pictus Catfish

Heterandria formosa · Pimelodus pictus

Least Killifish (Heterandria) & Pike Cichlid (Xingu)

Heterandria formosa · Crenicichla sp. Xingu

Least Killifish (Heterandria) & Pink Tailed Chalceus

Heterandria formosa · Chalceus macrolepidotus

Least Killifish (Heterandria) & Piraiba

Heterandria formosa · Brachyplatystoma filamentosum

Least Killifish (Heterandria) & Plain Silver Dollar

Heterandria formosa · Metynnis hypsauchen

Possible with Caution

Least Killifish (Heterandria): PeacefulPlain Silver Dollar: Peaceful

Least Killifish (Heterandria) & Platinum Acara

Heterandria formosa · Andinoacara latifrons

Possible with Caution

Least Killifish (Heterandria): PeacefulPlatinum Acara: Semi-Aggressive

Least Killifish (Heterandria) & Platinum Hatchet

Heterandria formosa · Thoracocharax stellatus

Possible with Caution

Least Killifish (Heterandria): PeacefulPlatinum Hatchet: Peaceful

Least Killifish (Heterandria) & Platy

Heterandria formosa · Xiphophorus maculatus

Possible with Caution

Least Killifish (Heterandria): PeacefulPlaty: Peaceful

Least Killifish (Heterandria) & Polypterus Bichir Lapradei

Heterandria formosa · Polypterus bichir lapradei

Least Killifish (Heterandria) & Popondetta Blue-eye

Heterandria formosa · Pseudomugil connieae

Possible with Caution

Least Killifish (Heterandria): PeacefulPopondetta Blue-eye: Peaceful

Least Killifish (Heterandria) & Port Acara

Heterandria formosa · Cichlasoma portalegrense

Possible with Caution

Least Killifish (Heterandria): PeacefulPort Acara: Semi-Aggressive

Least Killifish (Heterandria) & Price's Rainbowfish

Heterandria formosa · Chilatherina pricei

Possible with Caution

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

Least Killifish (Heterandria) & Prionotos Cory (Scleromystax)

Heterandria formosa · Scleromystax prionotos

Possible with Caution

Least Killifish (Heterandria): PeacefulPrionotos Cory (Scleromystax): Peaceful

Least Killifish (Heterandria) & Pseudotropheus Acei

Heterandria formosa · Pseudotropheus acei

Possible with Caution

Least Killifish (Heterandria): PeacefulPseudotropheus Acei: Mostly Peaceful

Least Killifish (Heterandria) & Pseudotropheus sp. Kingsizei

Heterandria formosa · Metriaclima pulpican

Possible with Caution

Least Killifish (Heterandria): PeacefulPseudotropheus sp. Kingsizei: Aggressive

Least Killifish (Heterandria) & Pumpkinseed

Heterandria formosa · Lepomis gibbosus

Possible with Caution

Least Killifish (Heterandria): PeacefulPumpkinseed: Aggressive