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 481 - 504 of 735 Tank Mates

Least Killifish (Heterandria) & Pacific Sturgeon

Heterandria formosa · Acipenser transmontanus

Least Killifish (Heterandria) & Palmas Bichir

Heterandria formosa · Polypterus palmas palmas

Least Killifish (Heterandria) & Panda Corydoras

Heterandria formosa · Corydoras panda

Possible with Caution

Least Killifish (Heterandria): PeacefulPanda Corydoras: Peaceful

Least Killifish (Heterandria) & Panda Dwarf Cichlid

Heterandria formosa · Apistogramma nijsseni

Least Killifish (Heterandria) & Panda Garra

Heterandria formosa · Garra flavatra

Possible with Caution

Least Killifish (Heterandria): PeacefulPanda Garra: Mostly Peaceful

Least Killifish (Heterandria) & Panda Tetra

Heterandria formosa · Aphyocharax paraguayensis

Possible with Caution

Least Killifish (Heterandria): PeacefulPanda Tetra: Mostly Peaceful

Least Killifish (Heterandria) & Pangasius nasutus (Long-Nosed Pangasius)

Heterandria formosa · Pangasius nasutus

Least Killifish (Heterandria) & Panther Crab

Heterandria formosa · Parathelphusa pantherina

Least Killifish (Heterandria) & Paradise Fish

Heterandria formosa · Macropodus opercularis

Possible with Caution

Least Killifish (Heterandria): PeacefulParadise Fish: Aggressive

Least Killifish (Heterandria) & Parallel Cory

Heterandria formosa · Corydoras parallelus

Possible with Caution

Least Killifish (Heterandria): PeacefulParallel Cory: Peaceful

Least Killifish (Heterandria) & Parkinson's Rainbowfish

Heterandria formosa · Melanotaenia parkinsoni

Possible with Caution

Least Killifish (Heterandria): PeacefulParkinson's Rainbowfish: Peaceful

Least Killifish (Heterandria) & Parnahyba Whiptail Catfish

Heterandria formosa · Loricaria parnahybae

Ideal Tank Mates

Least Killifish (Heterandria): PeacefulParnahyba Whiptail Catfish: Peaceful

Least Killifish (Heterandria) & Parrot Cichlid

Heterandria formosa · Hoplarchus psittacus

Least Killifish (Heterandria) & Pastel Cichlid

Heterandria formosa · Cribroheros alfari

Possible with Caution

Least Killifish (Heterandria): PeacefulPastel Cichlid: Aggressive

Least Killifish (Heterandria) & Payara

Heterandria formosa · Hydrolycus scomberoides

Least Killifish (Heterandria) & Peacock Bass Monoculus

Heterandria formosa · Cichla monoculus

Least Killifish (Heterandria) & Peacock Bass Ocellaris

Heterandria formosa · Cichla ocellaris

Least Killifish (Heterandria) & Peacock Bass Orinocensis

Heterandria formosa · Cichla orinocensis

Least Killifish (Heterandria) & Peacock Bass Temensis

Heterandria formosa · Cichla temensis

Least Killifish (Heterandria) & Peacock Cichlid (Aulonocara)

Heterandria formosa · Aulonocara sp.

Possible with Caution

Least Killifish (Heterandria): PeacefulPeacock Cichlid (Aulonocara): Semi-Aggressive

Least Killifish (Heterandria) & Peacock Eel

Heterandria formosa · Macrognathus siamensis

Possible with Caution

Least Killifish (Heterandria): PeacefulPeacock Eel: Peaceful

Least Killifish (Heterandria) & Peacock Gudgeon

Heterandria formosa · Tateurndina ocellicauda

Ideal Tank Mates

Least Killifish (Heterandria): PeacefulPeacock Gudgeon: Peaceful

Least Killifish (Heterandria) & Pearl Danio

Heterandria formosa · Danio albolineatus

Possible with Caution

Least Killifish (Heterandria): PeacefulPearl Danio: Peaceful

Least Killifish (Heterandria) & Pearl Eartheater

Heterandria formosa · Geophagus brasiliensis

Possible with Caution

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