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 601 - 624 of 735 Tank Mates

Least Killifish (Heterandria) & Sentani Rainbowfish

Heterandria formosa · Chilatherina sentaniensis

Possible with Caution

Least Killifish (Heterandria): PeacefulSentani Rainbowfish: Mostly Peaceful

Least Killifish (Heterandria) & Sepik Rainbowfish

Heterandria formosa · Glossolepis multisquamata

Possible with Caution

Least Killifish (Heterandria): PeacefulSepik Rainbowfish: Peaceful

Least Killifish (Heterandria) & Serpae Tetra

Heterandria formosa · Hyphessobrycon eques

Possible with Caution

Least Killifish (Heterandria): PeacefulSerpae Tetra: Semi-Aggressive

Least Killifish (Heterandria) & Severum

Heterandria formosa · Heros severus

Possible with Caution

Least Killifish (Heterandria): PeacefulSeverum: Semi-Aggressive

Least Killifish (Heterandria) & Shell Dweller (Multi)

Heterandria formosa · Neolamprologus multifasciatus

Possible with Caution

Least Killifish (Heterandria): PeacefulShell Dweller (Multi): Semi-Aggressive

Least Killifish (Heterandria) & Shortbarbel Pangasius

Heterandria formosa · Pangasius micronemus

Least Killifish (Heterandria) & Shortnose Gar

Heterandria formosa · Lepisosteus platostomus

Least Killifish (Heterandria) & Shovelnose Sturgeon

Heterandria formosa · Scaphirhynchus platorynchus

Least Killifish (Heterandria) & Siamese Algae Eater

Heterandria formosa · Crossocheilus oblongus

Possible with Caution

Least Killifish (Heterandria): PeacefulSiamese Algae Eater: Mostly Peaceful

Least Killifish (Heterandria) & Siamese Tiger Fish

Heterandria formosa · Datnioides pulcher

Least Killifish (Heterandria) & Silver Arowana

Heterandria formosa · Osteoglossum bicirrhosum

Least Killifish (Heterandria) & Silver Datnoid (Silver Tigerfish)

Heterandria formosa · Datnioides polota

Least Killifish (Heterandria) & Silver Dollar

Heterandria formosa · Metynnis argenteus

Possible with Caution

Least Killifish (Heterandria): PeacefulSilver Dollar: Peaceful

Least Killifish (Heterandria) & Silver Flying Fox

Heterandria formosa · Crossocheilus reticulatus

Possible with Caution

Least Killifish (Heterandria): PeacefulSilver Flying Fox: Mostly Peaceful

Least Killifish (Heterandria) & Silver Hatchetfish

Heterandria formosa · Gasteropelecus sternicla

Possible with Caution

Least Killifish (Heterandria): PeacefulSilver Hatchetfish: Peaceful

Least Killifish (Heterandria) & Silver Prochilodus

Heterandria formosa · Semaprochilodus taeniurus

Least Killifish (Heterandria) & Silver Rainbowfish

Heterandria formosa · Chilatherina crassispinosa

Possible with Caution

Least Killifish (Heterandria): PeacefulSilver Rainbowfish: Peaceful

Least Killifish (Heterandria) & Silver Tiger Perch (American Tigerfish)

Heterandria formosa · Datnioides polota

Least Killifish (Heterandria) & Silvertip Tetra

Heterandria formosa · Hasemania nana

Possible with Caution

Least Killifish (Heterandria): PeacefulSilvertip Tetra: Mostly Peaceful

Least Killifish (Heterandria) & Sixbar Distichodus

Heterandria formosa · Distichodus sexfasciatus

Possible with Caution

Least Killifish (Heterandria): PeacefulSixbar Distichodus: Aggressive

Least Killifish (Heterandria) & Skunk Botia

Heterandria formosa · Yasuhikotakia morleti

Possible with Caution

Least Killifish (Heterandria): PeacefulSkunk Botia: Aggressive

Least Killifish (Heterandria) & Skunk Cory

Heterandria formosa · Corydoras arcuatus

Possible with Caution

Least Killifish (Heterandria): PeacefulSkunk Cory: Peaceful

Least Killifish (Heterandria) & Slender Rainbowfish

Heterandria formosa · Melanotaenia gracilis

Possible with Caution

Least Killifish (Heterandria): PeacefulSlender Rainbowfish: Peaceful

Least Killifish (Heterandria) & Smallmouth Bass

Heterandria formosa · Micropterus dolomieu