Threadfin Acara & Betta Macrostoma
Acarichthys heckelii · Betta macrostoma
Threadfin Acara: Mostly PeacefulBetta Macrostoma: Semi-Aggressive
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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 97 - 120 of 735 Tank Mates
Possible with Caution
Threadfin Acara & Betta Smaragdina
Acarichthys heckelii · Betta smaragdina
Threadfin Acara: Mostly PeacefulBetta Smaragdina: Semi-Aggressive
Threadfin Acara & Black Acara
Acarichthys heckelii · Cichlasoma bimaculatum
Threadfin Acara: Mostly PeacefulBlack Acara: Semi-Aggressive
Threadfin Acara & Black Belt Cichlid
Acarichthys heckelii · Vieja maculicauda
Threadfin Acara: Mostly PeacefulBlack Belt Cichlid: Aggressive
Threadfin Acara & Black Bullhead Catfish
Acarichthys heckelii · Ameiurus melas
Threadfin Acara: Mostly PeacefulBlack Bullhead Catfish: Aggressive
Threadfin Acara & Black Corydoras
Acarichthys heckelii · Corydoras schultzei
Threadfin Acara: Mostly PeacefulBlack Corydoras: Peaceful
Threadfin Acara & Black Diamond Cichlid
Acarichthys heckelii · Paratilapia polleni
Threadfin Acara: Mostly PeacefulBlack Diamond Cichlid: Aggressive
Threadfin Acara & Black Fin Cory
Acarichthys heckelii · Corydoras leucomelas
Threadfin Acara: Mostly PeacefulBlack Fin Cory: Peaceful
Threadfin Acara & Black Ghost Knifefish
Acarichthys heckelii · Apteronotus albifrons
Threadfin Acara: Mostly PeacefulBlack Ghost Knifefish: Semi-Aggressive
Threadfin Acara & Black Kuhli Loach
Acarichthys heckelii · Pangio oblonga
Threadfin Acara: Mostly PeacefulBlack Kuhli Loach: Peaceful
Threadfin Acara & Black Marble Hoplo
Acarichthys heckelii · Megalechis thoracata
Threadfin Acara: Mostly PeacefulBlack Marble Hoplo: Mostly Peaceful
Threadfin Acara & Black Neon Tetra
Acarichthys heckelii · Hyphessobrycon herbertaxelrodi
Threadfin Acara: Mostly PeacefulBlack Neon Tetra: Peaceful
Threadfin Acara & Black Ocellatus
Acarichthys heckelii · Lamprologus speciosus
Threadfin Acara: Mostly PeacefulBlack Ocellatus: Aggressive
Threadfin Acara & Black Pacu
Acarichthys heckelii · Colossoma macropomum
Threadfin Acara: Mostly PeacefulBlack Pacu: Mostly Peaceful
Threadfin Acara & Black Phantom Tetra
Acarichthys heckelii · Hyphessobrycon megalopterus
Threadfin Acara: Mostly PeacefulBlack Phantom Tetra: Peaceful
Threadfin Acara & Black Ruby Barb
Acarichthys heckelii · Pethia nigrofasciata
Threadfin Acara: Mostly PeacefulBlack Ruby Barb: Mostly Peaceful
Threadfin Acara & Black Skirt Tetra
Acarichthys heckelii · Gymnocorymbus ternetzi
Threadfin Acara: Mostly PeacefulBlack Skirt Tetra: Mostly Peaceful
Threadfin Acara & Black-Banded Rainbowfish
Acarichthys heckelii · Melanotaenia nigrans
Threadfin Acara: Mostly PeacefulBlack-Banded Rainbowfish: Peaceful
Threadfin Acara & Blackline Rasbora
Acarichthys heckelii · Rasbora borapetensis
Threadfin Acara: Mostly PeacefulBlackline Rasbora: Peaceful
Threadfin Acara & Bladder Snail (Pest Snail)
Acarichthys heckelii · Physella acuta
Threadfin Acara: Mostly PeacefulBladder Snail (Pest Snail): Peaceful
Threadfin Acara & Bleeding Heart Tetra
Acarichthys heckelii · Hyphessobrycon erythrostigma
Threadfin Acara: Mostly PeacefulBleeding Heart Tetra: Peaceful
Threadfin Acara & Bleher's Rainbowfish
Acarichthys heckelii · Chilatherina bleheri
Threadfin Acara: Mostly PeacefulBleher's Rainbowfish: Peaceful
Threadfin Acara & Blind Cave Tetra
Acarichthys heckelii · Astyanax mexicanus
Threadfin Acara: Mostly PeacefulBlind Cave Tetra: Mostly Peaceful
Threadfin Acara & Blood Parrot Cichlid
Acarichthys heckelii · Hybrid cichlid (Blood Parrot)
Threadfin Acara: Mostly PeacefulBlood Parrot Cichlid: Semi-Aggressive