Least Killifish (Heterandria) Tank Mates & Compatibility

Least Killifish (Heterandria)

Heterandria formosa

View full care guide

TemperamentPeaceful (1/10)

Adult Size3.5 cm

Temperature18–27°C

Water TypeBrackish Tolerant

Swim ZoneSurface, Mid-level, Bottom

StockingGroup of 3+

Showing 169 - 192 of 735 Tank Mates

Least Killifish (Heterandria) & Channel Catfish

Heterandria formosa · Ictalurus punctatus

Least Killifish (Heterandria) & Chao Phraya Giant Catfish (Paroon Shark)

Heterandria formosa · Pangasius sanitwongsei

Least Killifish (Heterandria) & Checker Barb

Heterandria formosa · Oliotius oligolepis

Possible with Caution

Least Killifish (Heterandria): PeacefulChecker Barb: Peaceful

Least Killifish (Heterandria) & Checkerboard Cichlid

Heterandria formosa · Dicrossus filamentosus

Least Killifish (Heterandria) & Chequered Rainbowfish

Heterandria formosa · Melanotaenia splendida inornata

Possible with Caution

Least Killifish (Heterandria): PeacefulChequered Rainbowfish: Peaceful

Least Killifish (Heterandria) & Cherry Barb

Heterandria formosa · Puntius titteya

Possible with Caution

Least Killifish (Heterandria): PeacefulCherry Barb: Peaceful

Least Killifish (Heterandria) & Cherry Shrimp

Heterandria formosa · Neocaridina davidi

Possible with Caution

Least Killifish (Heterandria): PeacefulCherry Shrimp: Peaceful

Least Killifish (Heterandria) & Cherry Spot Rasbora

Heterandria formosa · Rasbora rubrodorsalis

Possible with Caution

Least Killifish (Heterandria): PeacefulCherry Spot Rasbora: Peaceful

Least Killifish (Heterandria) & Chili Rasbora

Heterandria formosa · Boraras brigittae

Possible with Caution

Least Killifish (Heterandria): PeacefulChili Rasbora: Peaceful

Least Killifish (Heterandria) & Chinese Algae Eater (CAE)

Heterandria formosa · Gyrinocheilus aymonieri

Least Killifish (Heterandria) & Chinese Barb (Green Barb)

Heterandria formosa · Puntius semifasciolatus

Possible with Caution

Least Killifish (Heterandria): PeacefulChinese Barb (Green Barb): Peaceful

Least Killifish (Heterandria) & Chipokae Mbuna

Heterandria formosa · Melanochromis chipokae

Possible with Caution

Least Killifish (Heterandria): PeacefulChipokae Mbuna: Highly Aggressive

Least Killifish (Heterandria) & Chisumulu Pearl Cichlid

Heterandria formosa · Labidochromis chisumulae

Possible with Caution

Least Killifish (Heterandria): PeacefulChisumulu Pearl Cichlid: Semi-Aggressive

Least Killifish (Heterandria) & Chocolate Cichlid

Heterandria formosa · Hypselecara temporalis

Least Killifish (Heterandria) & Chocolate Gourami

Heterandria formosa · Sphaerichthys osphromenoides

Least Killifish (Heterandria) & Chocolate Loricaria (L062)

Heterandria formosa · Loricaria cataphracta

Ideal Tank Mates

Least Killifish (Heterandria): PeacefulChocolate Loricaria (L062): Peaceful

Least Killifish (Heterandria) & Christmas Fulu

Heterandria formosa · Xystichromis phytophagus

Possible with Caution

Least Killifish (Heterandria): PeacefulChristmas Fulu: Semi-Aggressive

Least Killifish (Heterandria) & Chuco Cichlid

Heterandria formosa · Chuco godmanni

Possible with Caution

Least Killifish (Heterandria): PeacefulChuco Cichlid: Aggressive

Least Killifish (Heterandria) & Cigar Shark (Mad Barb)

Heterandria formosa · Leptobarbus hoevenii

Least Killifish (Heterandria) & Clown Killifish

Heterandria formosa · Epiplatys annulatus

Possible with Caution

Least Killifish (Heterandria): PeacefulClown Killifish: Peaceful

Least Killifish (Heterandria) & Clown Knifefish

Heterandria formosa · Chitala ornata

Least Killifish (Heterandria) & Clown Loach

Heterandria formosa · Chromobotia macracanthus

Possible with Caution

Least Killifish (Heterandria): PeacefulClown Loach: Peaceful

Least Killifish (Heterandria) & Clown Pleco (L104)

Heterandria formosa · Panaqolus maccus

Ideal Tank Mates

Least Killifish (Heterandria): PeacefulClown Pleco (L104): Mostly Peaceful

Least Killifish (Heterandria) & Cobalt Blue Zebra

Heterandria formosa · Metriaclima callainos

Possible with Caution

Least Killifish (Heterandria): PeacefulCobalt Blue Zebra: Aggressive