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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 625 - 648 of 735 Tank Mates

Least Killifish (Heterandria) & Snakehead Fighter

Heterandria formosa · Betta channoides

Not Recommended
Least Killifish (Heterandria): PeacefulSnakehead Fighter: Peaceful

Least Killifish (Heterandria) & Snowball Shrimp

Heterandria formosa · Neocaridina cf. zhangjiajiensis var. white

Ideal Tank Mates
Least Killifish (Heterandria): PeacefulSnowball Shrimp: Peaceful

Least Killifish (Heterandria) & Socolofi Cichlid (Pseudotropheus Socolofi)

Heterandria formosa · Chindongo socolofi

Possible with Caution
Least Killifish (Heterandria): PeacefulSocolofi Cichlid (Pseudotropheus Socolofi): Aggressive

Least Killifish (Heterandria) & Sorong Rainbowfish

Heterandria formosa · Melanotaenia fredericki

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

Least Killifish (Heterandria) & Sparkling Gourami

Heterandria formosa · Trichopsis pumila

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

Least Killifish (Heterandria) & Spot Pangasius

Heterandria formosa · Pangasius larnaudii

Not Recommended
Least Killifish (Heterandria): PeacefulSpot Pangasius: Mostly Peaceful

Least Killifish (Heterandria) & Spotfin Goby Cichlid

Heterandria formosa · Tanganicodus irsacae

Possible with Caution
Least Killifish (Heterandria): PeacefulSpotfin Goby Cichlid: Semi-Aggressive

Least Killifish (Heterandria) & Spotted Gar

Heterandria formosa · Lepisosteus oculatus

Not Recommended
Least Killifish (Heterandria): PeacefulSpotted Gar: Semi-Aggressive

Least Killifish (Heterandria) & Spotted Headstander

Heterandria formosa · Chilodus punctatus

Possible with Caution
Least Killifish (Heterandria): PeacefulSpotted Headstander: Peaceful

Least Killifish (Heterandria) & Spotted Hillstream Loach

Heterandria formosa · Gastromyzon punctulatus

Possible with Caution
Least Killifish (Heterandria): PeacefulSpotted Hillstream Loach: Peaceful

Least Killifish (Heterandria) & Spotted Rainbowfish

Heterandria formosa · Glossolepis maculosus

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

Least Killifish (Heterandria) & Spotted Raphael Catfish

Heterandria formosa · Agamyxis pectinifrons

Possible with Caution
Least Killifish (Heterandria): PeacefulSpotted Raphael Catfish: Peaceful

Least Killifish (Heterandria) & Spotted Rubberlip Pleco (L187a)

Heterandria formosa · Chaetostoma milesi

Possible with Caution
Least Killifish (Heterandria): PeacefulSpotted Rubberlip Pleco (L187a): Mostly Peaceful

Least Killifish (Heterandria) & Starlight Bristlenose Pleco (L183)

Heterandria formosa · Ancistrus dolichopterus

Possible with Caution
Least Killifish (Heterandria): PeacefulStarlight Bristlenose Pleco (L183): Mostly Peaceful

Least Killifish (Heterandria) & Steindachner Dwarf Cichlid

Heterandria formosa · Apistogramma steindachneri

Possible with Caution
Least Killifish (Heterandria): PeacefulSteindachner Dwarf Cichlid: Mostly Peaceful

Least Killifish (Heterandria) & Sterba's Corydoras

Heterandria formosa · Corydoras sterbai

Possible with Caution
Least Killifish (Heterandria): PeacefulSterba's Corydoras: Peaceful

Least Killifish (Heterandria) & Striped Raphael Catfish

Heterandria formosa · Platydoras armatulus

Not Recommended
Least Killifish (Heterandria): PeacefulStriped Raphael Catfish: Peaceful

Least Killifish (Heterandria) & Stripefin Eartheater

Heterandria formosa · Gymnogeophagus rhabdotus

Possible with Caution
Least Killifish (Heterandria): PeacefulStripefin Eartheater: Semi-Aggressive

Least Killifish (Heterandria) & Sturgeon Catfish

Heterandria formosa · Platystomatichthys sturio

Not Recommended
Least Killifish (Heterandria): PeacefulSturgeon Catfish: Semi-Aggressive

Least Killifish (Heterandria) & Sulphur Crest Lithobates

Heterandria formosa · Otopharynx lithobates

Possible with Caution
Least Killifish (Heterandria): PeacefulSulphur Crest Lithobates: Semi-Aggressive

Least Killifish (Heterandria) & Sumo Loach

Heterandria formosa · Schistura balteata

Possible with Caution
Least Killifish (Heterandria): PeacefulSumo Loach: Aggressive

Least Killifish (Heterandria) & Sunset Hap

Heterandria formosa · Dimidiochromis strigatus

Not Recommended
Least Killifish (Heterandria): PeacefulSunset Hap: Semi-Aggressive

Least Killifish (Heterandria) & Sunset Platy (Variatus Platy)

Heterandria formosa · Xiphophorus variatus

Possible with Caution
Least Killifish (Heterandria): PeacefulSunset Platy (Variatus Platy): Peaceful

Least Killifish (Heterandria) & Swordtail

Heterandria formosa · Xiphophorus hellerii

Possible with Caution
Least Killifish (Heterandria): PeacefulSwordtail: Mostly Peaceful