Threadfin Rainbowfish Tank Mates & Compatibility

Threadfin Rainbowfish

Iriatherina werneri

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TemperamentPeaceful (1/10)

Adult Size5 cm

Temperature23–29°C

Water TypeFreshwater Only

Swim ZoneSurface, Mid-level

StockingSchool of 6+

Showing 97 - 120 of 735 Tank Mates

Threadfin Rainbowfish & Betta Macrostoma

Iriatherina werneri · Betta macrostoma

Threadfin Rainbowfish & Betta Smaragdina

Iriatherina werneri · Betta smaragdina

Possible with Caution

Threadfin Rainbowfish: PeacefulBetta Smaragdina: Semi-Aggressive

Threadfin Rainbowfish & Black Acara

Iriatherina werneri · Cichlasoma bimaculatum

Possible with Caution

Threadfin Rainbowfish: PeacefulBlack Acara: Semi-Aggressive

Threadfin Rainbowfish & Black Belt Cichlid

Iriatherina werneri · Vieja maculicauda

Possible with Caution

Threadfin Rainbowfish: PeacefulBlack Belt Cichlid: Aggressive

Threadfin Rainbowfish & Black Bullhead Catfish

Iriatherina werneri · Ameiurus melas

Threadfin Rainbowfish & Black Corydoras

Iriatherina werneri · Corydoras schultzei

Possible with Caution

Threadfin Rainbowfish: PeacefulBlack Corydoras: Peaceful

Threadfin Rainbowfish & Black Diamond Cichlid

Iriatherina werneri · Paratilapia polleni

Threadfin Rainbowfish & Black Fin Cory

Iriatherina werneri · Corydoras leucomelas

Possible with Caution

Threadfin Rainbowfish: PeacefulBlack Fin Cory: Peaceful

Threadfin Rainbowfish & Black Ghost Knifefish

Iriatherina werneri · Apteronotus albifrons

Threadfin Rainbowfish & Black Kuhli Loach

Iriatherina werneri · Pangio oblonga

Possible with Caution

Threadfin Rainbowfish: PeacefulBlack Kuhli Loach: Peaceful

Threadfin Rainbowfish & Black Marble Hoplo

Iriatherina werneri · Megalechis thoracata

Possible with Caution

Threadfin Rainbowfish: PeacefulBlack Marble Hoplo: Mostly Peaceful

Threadfin Rainbowfish & Black Neon Tetra

Iriatherina werneri · Hyphessobrycon herbertaxelrodi

Possible with Caution

Threadfin Rainbowfish: PeacefulBlack Neon Tetra: Peaceful

Threadfin Rainbowfish & Black Ocellatus

Iriatherina werneri · Lamprologus speciosus

Possible with Caution

Threadfin Rainbowfish: PeacefulBlack Ocellatus: Aggressive

Threadfin Rainbowfish & Black Pacu

Iriatherina werneri · Colossoma macropomum

Possible with Caution

Threadfin Rainbowfish: PeacefulBlack Pacu: Mostly Peaceful

Threadfin Rainbowfish & Black Phantom Tetra

Iriatherina werneri · Hyphessobrycon megalopterus

Possible with Caution

Threadfin Rainbowfish: PeacefulBlack Phantom Tetra: Peaceful

Threadfin Rainbowfish & Black Ruby Barb

Iriatherina werneri · Pethia nigrofasciata

Possible with Caution

Threadfin Rainbowfish: PeacefulBlack Ruby Barb: Mostly Peaceful

Threadfin Rainbowfish & Black Skirt Tetra

Iriatherina werneri · Gymnocorymbus ternetzi

Possible with Caution

Threadfin Rainbowfish: PeacefulBlack Skirt Tetra: Mostly Peaceful

Threadfin Rainbowfish & Black-Banded Rainbowfish

Iriatherina werneri · Melanotaenia nigrans

Possible with Caution

Threadfin Rainbowfish: PeacefulBlack-Banded Rainbowfish: Peaceful

Threadfin Rainbowfish & Blackline Rasbora

Iriatherina werneri · Rasbora borapetensis

Possible with Caution

Threadfin Rainbowfish: PeacefulBlackline Rasbora: Peaceful

Threadfin Rainbowfish & Bladder Snail (Pest Snail)

Iriatherina werneri · Physella acuta

Possible with Caution

Threadfin Rainbowfish: PeacefulBladder Snail (Pest Snail): Peaceful

Threadfin Rainbowfish & Bleeding Heart Tetra

Iriatherina werneri · Hyphessobrycon erythrostigma

Possible with Caution

Threadfin Rainbowfish: PeacefulBleeding Heart Tetra: Peaceful

Threadfin Rainbowfish & Bleher's Rainbowfish

Iriatherina werneri · Chilatherina bleheri

Possible with Caution

Threadfin Rainbowfish: PeacefulBleher's Rainbowfish: Peaceful

Threadfin Rainbowfish & Blind Cave Tetra

Iriatherina werneri · Astyanax mexicanus

Possible with Caution

Threadfin Rainbowfish: PeacefulBlind Cave Tetra: Mostly Peaceful

Threadfin Rainbowfish & Blood Parrot Cichlid

Iriatherina werneri · Hybrid cichlid (Blood Parrot)

Possible with Caution

Threadfin Rainbowfish: PeacefulBlood Parrot Cichlid: Semi-Aggressive