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 433 - 456 of 735 Tank Mates

Least Killifish (Heterandria) & Mokele-mbembe Bichir

Heterandria formosa · Polypterus mokelembembe

Least Killifish (Heterandria) & Molly (Sailfin/Black/Dalmatian)

Heterandria formosa · Poecilia sphenops

Possible with Caution

Least Killifish (Heterandria): PeacefulMolly (Sailfin/Black/Dalmatian): Mostly Peaceful

Least Killifish (Heterandria) & Mono Sebae (Brackish)

Heterandria formosa · Monodactylus sebae

Possible with Caution

Least Killifish (Heterandria): PeacefulMono Sebae (Brackish): Mostly Peaceful

Least Killifish (Heterandria) & Monster Wolf Fish (Aimara)

Heterandria formosa · Hoplias aimara

Least Killifish (Heterandria) & Moonlight Gourami

Heterandria formosa · Trichogaster microlepis

Possible with Caution

Least Killifish (Heterandria): PeacefulMoonlight Gourami: Mostly Peaceful

Least Killifish (Heterandria) & Mosquitofish (Gambusia)

Heterandria formosa · Gambusia affinis

Possible with Caution

Least Killifish (Heterandria): PeacefulMosquitofish (Gambusia): Aggressive

Least Killifish (Heterandria) & Motoro Stingray

Heterandria formosa · Potamotrygon motoro

Least Killifish (Heterandria) & Mottled Loach

Heterandria formosa · Paracanthocobitis botia

Possible with Caution

Least Killifish (Heterandria): PeacefulMottled Loach: Mostly Peaceful

Least Killifish (Heterandria) & Mountain Rainbowfish

Heterandria formosa · Melanotaenia monticola

Possible with Caution

Least Killifish (Heterandria): PeacefulMountain Rainbowfish: Peaceful

Least Killifish (Heterandria) & Mozambique Tilapia (Redfin)

Heterandria formosa · Oreochromis mossambicus

Possible with Caution

Least Killifish (Heterandria): PeacefulMozambique Tilapia (Redfin): Aggressive

Least Killifish (Heterandria) & Msobo Mbuna

Heterandria formosa · Metriaclima sp. "Msobo"

Possible with Caution

Least Killifish (Heterandria): PeacefulMsobo Mbuna: Aggressive

Least Killifish (Heterandria) & Mubi Rainbowfish

Heterandria formosa · Melanotaenia mubiensis

Possible with Caution

Least Killifish (Heterandria): PeacefulMubi Rainbowfish: Peaceful

Least Killifish (Heterandria) & Murray River Rainbowfish

Heterandria formosa · Melanotaenia fluviatilis

Possible with Caution

Least Killifish (Heterandria): PeacefulMurray River Rainbowfish: Peaceful

Least Killifish (Heterandria) & Mystery Snail

Heterandria formosa · Pomacea bridgesii

Possible with Caution

Least Killifish (Heterandria): PeacefulMystery Snail: Peaceful

Least Killifish (Heterandria) & Nana Rasbora

Heterandria formosa · Microdevario nana

Possible with Caution

Least Killifish (Heterandria): PeacefulNana Rasbora: Peaceful

Least Killifish (Heterandria) & Needlenose Gar

Heterandria formosa · Xenentodon cancila

Least Killifish (Heterandria) & Neolamprologus Fasciatus

Heterandria formosa · Neolamprologus fasciatus

Least Killifish (Heterandria) & Neolamprologus Pulcher

Heterandria formosa · Neolamprologus pulcher

Possible with Caution

Least Killifish (Heterandria): PeacefulNeolamprologus Pulcher: Aggressive

Least Killifish (Heterandria) & Neolamprologus Similis

Heterandria formosa · Neolamprologus similis

Possible with Caution

Least Killifish (Heterandria): PeacefulNeolamprologus Similis: Semi-Aggressive

Least Killifish (Heterandria) & Neolamprologus Tretocephalus

Heterandria formosa · Neolamprologus tretocephalus

Possible with Caution

Least Killifish (Heterandria): PeacefulNeolamprologus Tretocephalus: Aggressive

Least Killifish (Heterandria) & Neon Blue Cichlid

Heterandria formosa · Paracyprichromis nigripinnis

Possible with Caution

Least Killifish (Heterandria): PeacefulNeon Blue Cichlid: Mostly Peaceful

Least Killifish (Heterandria) & Neon Blue Goby

Heterandria formosa · Stiphodon atropurpureus

Possible with Caution

Least Killifish (Heterandria): PeacefulNeon Blue Goby: Mostly Peaceful

Least Killifish (Heterandria) & Neon Green Rasbora (Kubotai)

Heterandria formosa · Microdevario kubotai

Possible with Caution

Least Killifish (Heterandria): PeacefulNeon Green Rasbora (Kubotai): Peaceful

Least Killifish (Heterandria) & Neon Tetra

Heterandria formosa · Paracheirodon innesi

Possible with Caution

Least Killifish (Heterandria): PeacefulNeon Tetra: Peaceful