Threadfin Acara & Freshwater Barracuda
Acarichthys heckelii · Ctenolucius hujeta
Threadfin Acara: Mostly PeacefulFreshwater Barracuda: Semi-Aggressive
Back to all fishesView full care guide
Threadfin Acara Tank Mates & Compatibility
Threadfin Acara
Acarichthys heckelii
TemperamentMostly Peaceful (4/10)
Adult Size20 cm
Temperature24–28°C
Water TypeFreshwater Only
Swim ZoneMid-level, Bottom
StockingSolo or group
Showing 289 - 312 of 735 Tank Mates
Possible with Caution
Threadfin Acara & Freshwater Flounder
Acarichthys heckelii · Trinectes maculatus
Threadfin Acara: Mostly PeacefulFreshwater Flounder: Peaceful
Threadfin Acara & Freshwater Harlequin Shrimp (Sulawesi)
Acarichthys heckelii · Caridina cf. spongicola
Threadfin Acara: Mostly PeacefulFreshwater Harlequin Shrimp (Sulawesi): Peaceful
Threadfin Acara & Freshwater Shark (Wallago)
Acarichthys heckelii · Wallago attu
Threadfin Acara: Mostly PeacefulFreshwater Shark (Wallago): Highly Aggressive
Threadfin Acara & Freshwater Sole
Acarichthys heckelii · Brachirus selheimi
Threadfin Acara: Mostly PeacefulFreshwater Sole: Mostly Peaceful
Threadfin Acara & Freshwater Toadfish (Prehistoric Monster Fish)
Acarichthys heckelii · Thalassophryne amazonica
Threadfin Acara: Mostly PeacefulFreshwater Toadfish (Prehistoric Monster Fish): Aggressive
Threadfin Acara & Frogmouth Catfish
Acarichthys heckelii · Chaca chaca
Threadfin Acara: Mostly PeacefulFrogmouth Catfish: Aggressive
Threadfin Acara & Frontosa
Acarichthys heckelii · Cyphotilapia frontosa
Threadfin Acara: Mostly PeacefulFrontosa: Semi-Aggressive
Threadfin Acara & Fuelleborn's Cichlid
Acarichthys heckelii · Labeotropheus fuelleborni
Threadfin Acara: Mostly PeacefulFuelleborn's Cichlid: Aggressive
Threadfin Acara & Gangetic Leaf Fish
Acarichthys heckelii · Nandus nandus
Threadfin Acara: Mostly PeacefulGangetic Leaf Fish: Aggressive
Threadfin Acara & Gardner's Killifish
Acarichthys heckelii · Fundulopanchax gardneri
Threadfin Acara: Mostly PeacefulGardner's Killifish: Mostly Peaceful
Threadfin Acara & Garnet Tetra
Acarichthys heckelii · Hemigrammus pulcher
Threadfin Acara: Mostly PeacefulGarnet Tetra: Peaceful
Threadfin Acara & Geophagus Orange Head Tapajos
Acarichthys heckelii · Geophagus sp. 'Orange Head'
Threadfin Acara: Mostly PeacefulGeophagus Orange Head Tapajos: Mostly Peaceful
Threadfin Acara & German Blue Ram
Acarichthys heckelii · Mikrogeophagus ramirezi
Threadfin Acara: Mostly PeacefulGerman Blue Ram: Mostly Peaceful
Threadfin Acara & Gertrude's Spotted Blue-eye
Acarichthys heckelii · Pseudomugil gertrudae
Threadfin Acara: Mostly PeacefulGertrude's Spotted Blue-eye: Peaceful
Threadfin Acara & Ghost Shrimp
Acarichthys heckelii · Palaemonetes paludosus
Threadfin Acara: Mostly PeacefulGhost Shrimp: Peaceful
Threadfin Acara & Giant Danio
Acarichthys heckelii · Devario aequipinnatus
Threadfin Acara: Mostly PeacefulGiant Danio: Mostly Peaceful
Threadfin Acara & Giant Gourami
Acarichthys heckelii · Osphronemus goramy
Threadfin Acara: Mostly PeacefulGiant Gourami: Semi-Aggressive
Threadfin Acara & Giant Whiptail Catfish
Acarichthys heckelii · Proloricaria prolixa
Threadfin Acara: Mostly PeacefulGiant Whiptail Catfish: Peaceful
Threadfin Acara & Glass Bloodfin Tetra
Acarichthys heckelii · Prionobrama filigera
Threadfin Acara: Mostly PeacefulGlass Bloodfin Tetra: Peaceful
Threadfin Acara & Glass Catfish
Acarichthys heckelii · Kryptopterus vitreolus
Threadfin Acara: Mostly PeacefulGlass Catfish: Peaceful
Threadfin Acara & Glowlight Danio
Acarichthys heckelii · Danio choprae
Threadfin Acara: Mostly PeacefulGlowlight Danio: Peaceful
Threadfin Acara & Glowlight Tetra
Acarichthys heckelii · Hemigrammus erythrozonus
Threadfin Acara: Mostly PeacefulGlowlight Tetra: Peaceful
Threadfin Acara & Goby Pleco (Pitbull Pleco)
Acarichthys heckelii · Parotocinclus jumbo
Threadfin Acara: Mostly PeacefulGoby Pleco (Pitbull Pleco): Peaceful