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 673 - 696 of 735 Tank Mates

Least Killifish (Heterandria) & Tiger Shovelnose Catfish

Heterandria formosa · Pseudoplatystoma tigrinum

Least Killifish (Heterandria) & Tiger Shrimp

Heterandria formosa · Caridina mariae

Ideal Tank Mates

Least Killifish (Heterandria): PeacefulTiger Shrimp: Peaceful

Least Killifish (Heterandria) & Tinfoil Barb

Heterandria formosa · Barbonymus schwanenfeldii

Least Killifish (Heterandria) & Tire Track Eel

Heterandria formosa · Mastacembelus armatus

Least Killifish (Heterandria) & Trapdoor Snail

Heterandria formosa · Cipangopaludina chinensis

Ideal Tank Mates

Least Killifish (Heterandria): PeacefulTrapdoor Snail: Peaceful

Least Killifish (Heterandria) & Trewavas' Cichlid

Heterandria formosa · Labeotropheus trewavasae

Possible with Caution

Least Killifish (Heterandria): PeacefulTrewavas' Cichlid: Aggressive

Least Killifish (Heterandria) & Trimac Cichlid

Heterandria formosa · Amphilophus trimaculatus

Least Killifish (Heterandria) & Tropheus Moorii

Heterandria formosa · Tropheus moorii

Possible with Caution

Least Killifish (Heterandria): PeacefulTropheus Moorii: Highly Aggressive

Least Killifish (Heterandria) & Tropical Gar

Heterandria formosa · Atractosteus tropicus

Least Killifish (Heterandria) & Trout Cichlid (Champsochromis)

Heterandria formosa · Champsochromis caeruleus

Least Killifish (Heterandria) & True Julii Corydoras

Heterandria formosa · Corydoras julii

Possible with Caution

Least Killifish (Heterandria): PeacefulTrue Julii Corydoras: Peaceful

Least Killifish (Heterandria) & Turquoise Rainbowfish

Heterandria formosa · Melanotaenia lacustris

Possible with Caution

Least Killifish (Heterandria): PeacefulTurquoise Rainbowfish: Peaceful

Least Killifish (Heterandria) & Twig Catfish

Heterandria formosa · Farlowella vittata

Ideal Tank Mates

Least Killifish (Heterandria): PeacefulTwig Catfish: Peaceful

Least Killifish (Heterandria) & Twig Catfish (Farlowella)

Heterandria formosa · Farlowella acus

Possible with Caution

Least Killifish (Heterandria): PeacefulTwig Catfish (Farlowella): Peaceful

Least Killifish (Heterandria) & Two-spot Apistogramma

Heterandria formosa · Apistogramma rupununi

Possible with Caution

Least Killifish (Heterandria): PeacefulTwo-spot Apistogramma: Semi-Aggressive

Least Killifish (Heterandria) & Uaru

Heterandria formosa · Uaru amphiacanthoides

Possible with Caution

Least Killifish (Heterandria): PeacefulUaru: Mostly Peaceful

Least Killifish (Heterandria) & Upside Down Catfish

Heterandria formosa · Synodontis nigriventris

Ideal Tank Mates

Least Killifish (Heterandria): PeacefulUpside Down Catfish: Peaceful

Least Killifish (Heterandria) & Uruguayan Eartheater

Heterandria formosa · Gymnogeophagus australis

Possible with Caution

Least Killifish (Heterandria): PeacefulUruguayan Eartheater: Semi-Aggressive

Least Killifish (Heterandria) & Vampire Shrimp

Heterandria formosa · Atya gabonensis

Possible with Caution

Least Killifish (Heterandria): PeacefulVampire Shrimp: Peaceful

Least Killifish (Heterandria) & Venustus Cichlid (Giraffe Hap)

Heterandria formosa · Nimbochromis venustus

Least Killifish (Heterandria) & Vestitus Otocinclus

Heterandria formosa · Otocinclus vestitus

Ideal Tank Mates

Least Killifish (Heterandria): PeacefulVestitus Otocinclus: Peaceful

Least Killifish (Heterandria) & Vieja fenestrata

Heterandria formosa · Vieja fenestrata

Possible with Caution

Least Killifish (Heterandria): PeacefulVieja fenestrata: Aggressive

Least Killifish (Heterandria) & Violet Goby (Dragon Goby)

Heterandria formosa · Gobioides broussonnetii

Ideal Tank Mates

Least Killifish (Heterandria): PeacefulViolet Goby (Dragon Goby): Peaceful

Least Killifish (Heterandria) & Waigeo Rainbowfish

Heterandria formosa · Melanotaenia catherinae

Possible with Caution

Least Killifish (Heterandria): PeacefulWaigeo Rainbowfish: Peaceful