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 25 - 48 of 735 Tank Mates

Least Killifish (Heterandria) & Alligator Pleco

Heterandria formosa · Pterygoplichthys scrophus

Possible with Caution

Least Killifish (Heterandria): PeacefulAlligator Pleco: Mostly Peaceful

Least Killifish (Heterandria) & Altifrons Eartheater

Heterandria formosa · Geophagus altifrons

Possible with Caution

Least Killifish (Heterandria): PeacefulAltifrons Eartheater: Mostly Peaceful

Least Killifish (Heterandria) & Altolamprologus Calvus

Heterandria formosa · Altolamprologus calvus

Least Killifish (Heterandria) & Altolamprologus Compressiceps

Heterandria formosa · Altolamprologus compressiceps

Least Killifish (Heterandria) & Altum Angel

Heterandria formosa · Pterophyllum altum

Least Killifish (Heterandria) & Amano Shrimp

Heterandria formosa · Caridina multidentata

Possible with Caution

Least Killifish (Heterandria): PeacefulAmano Shrimp: Peaceful

Least Killifish (Heterandria) & Amazon Leaf Fish

Heterandria formosa · Monocirrhus polyacanthus

Least Killifish (Heterandria) & Amazon Puffer

Heterandria formosa · Colomesus asellus

Possible with Caution

Least Killifish (Heterandria): PeacefulAmazon Puffer: Mostly Peaceful

Least Killifish (Heterandria) & American Grass Shrimp

Heterandria formosa · Palaemonetes kadiakensis

Possible with Caution

Least Killifish (Heterandria): PeacefulAmerican Grass Shrimp: Peaceful

Least Killifish (Heterandria) & Andinoacara sp. Gold Saum

Heterandria formosa · Andinoacara sp. "Gold Saum"

Least Killifish (Heterandria) & Angelicus Botia

Heterandria formosa · Botia kubotai

Possible with Caution

Least Killifish (Heterandria): PeacefulAngelicus Botia: Mostly Peaceful

Least Killifish (Heterandria) & Angelicus Pleco L073

Heterandria formosa · Hypancistrus sp. L073

Possible with Caution

Least Killifish (Heterandria): PeacefulAngelicus Pleco L073: Mostly Peaceful

Least Killifish (Heterandria) & Angfa Rainbowfish

Heterandria formosa · Melanotaenia angfa

Possible with Caution

Least Killifish (Heterandria): PeacefulAngfa Rainbowfish: Peaceful

Least Killifish (Heterandria) & Antennae Stingray

Heterandria formosa · Plesiotrygon iwamae

Least Killifish (Heterandria) & Apistogramma Black-Chin

Heterandria formosa · Apistogramma allpahuayo

Least Killifish (Heterandria) & Apistogramma Broad-banded

Heterandria formosa · Apistogramma breitbinden

Least Killifish (Heterandria) & Apistogramma Mamoré

Heterandria formosa · Apistogramma erythrura

Possible with Caution

Least Killifish (Heterandria): PeacefulApistogramma Mamoré: Mostly Peaceful

Least Killifish (Heterandria) & Apistogramma Marmor (Marbled Apisto)

Heterandria formosa · Apistogramma erythrura

Possible with Caution

Least Killifish (Heterandria): PeacefulApistogramma Marmor (Marbled Apisto): Mostly Peaceful

Least Killifish (Heterandria) & Apistogramma Mouthbrooder (Maulbrüter)

Heterandria formosa · Apistogramma barlowi

Least Killifish (Heterandria) & Apistogramma Orange-tail

Heterandria formosa · Apistogramma cf. eunotus "Orange-tail"

Possible with Caution

Least Killifish (Heterandria): PeacefulApistogramma Orange-tail: Semi-Aggressive

Least Killifish (Heterandria) & Apistogramma Parrot

Heterandria formosa · Apistogramma sp. "Parrot"

Possible with Caution

Least Killifish (Heterandria): PeacefulApistogramma Parrot: Semi-Aggressive

Least Killifish (Heterandria) & Apistogramma Resticulosa Mamor

Heterandria formosa · Apistogramma cf. resticulosa Mamor

Possible with Caution

Least Killifish (Heterandria): PeacefulApistogramma Resticulosa Mamor: Mostly Peaceful

Least Killifish (Heterandria) & Apistogramma Resticulosa Marmor

Heterandria formosa · Apistogramma cf. resticulosa "Marmor"

Possible with Caution

Least Killifish (Heterandria): PeacefulApistogramma Resticulosa Marmor: Mostly Peaceful

Least Killifish (Heterandria) & Apistogramma atahualpa

Heterandria formosa · Apistogramma atahualpa