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 265 - 288 of 735 Tank Mates

Threadfin Rainbowfish & Fiddler Crab (Brackish)

Iriatherina werneri · Uca sp.

Threadfin Rainbowfish & Figure 8 Puffer (Brackish)

Iriatherina werneri · Dichotomyctere ocellatus

Threadfin Rainbowfish & Filament Barb

Iriatherina werneri · Dawkinsia filamentosa

Possible with Caution

Threadfin Rainbowfish: PeacefulFilament Barb: Mostly Peaceful

Threadfin Rainbowfish & Finger Fish

Iriatherina werneri · Monodactylus argenteus

Threadfin Rainbowfish & Fire Eel

Iriatherina werneri · Mastacembelus erythrotaenia

Threadfin Rainbowfish & Fire Tetra

Iriatherina werneri · Hyphessobrycon flammeus

Possible with Caution

Threadfin Rainbowfish: PeacefulFire Tetra: Peaceful

Threadfin Rainbowfish & Firemouth Cichlid

Iriatherina werneri · Thorichthys meeki

Possible with Caution

Threadfin Rainbowfish: PeacefulFiremouth Cichlid: Semi-Aggressive

Threadfin Rainbowfish & Five Banded Barb

Iriatherina werneri · Desmopuntius pentazona

Possible with Caution

Threadfin Rainbowfish: PeacefulFive Banded Barb: Peaceful

Threadfin Rainbowfish & Flag Tetra

Iriatherina werneri · Hyphessobrycon heterorhabdus

Possible with Caution

Threadfin Rainbowfish: PeacefulFlag Tetra: Peaceful

Threadfin Rainbowfish & Flagtail Cory (Mrs Schwartz's Cory)

Iriatherina werneri · Corydoras robineae

Possible with Caution

Threadfin Rainbowfish: PeacefulFlagtail Cory (Mrs Schwartz's Cory): Peaceful

Threadfin Rainbowfish & Flagtail Prochilodus

Iriatherina werneri · Semaprochilodus insignis

Possible with Caution

Threadfin Rainbowfish: PeacefulFlagtail Prochilodus: Semi-Aggressive

Threadfin Rainbowfish & Flash Pleco (L204)

Iriatherina werneri · Panaqolus albomaculatus

Possible with Caution

Threadfin Rainbowfish: PeacefulFlash Pleco (L204): Mostly Peaceful

Threadfin Rainbowfish & Flavus Cichlid (Pseudotropheus Flavus)

Iriatherina werneri · Chindongo flavus

Threadfin Rainbowfish & Florida Flagfish

Iriatherina werneri · Jordanella floridae

Possible with Caution

Threadfin Rainbowfish: PeacefulFlorida Flagfish: Semi-Aggressive

Threadfin Rainbowfish & Florida Gar

Iriatherina werneri · Lepisosteus platyrhincus

Threadfin Rainbowfish & Flower Stingray

Iriatherina werneri · Potamotrygon schroederi

Threadfin Rainbowfish & Flowerhorn Cichlid

Iriatherina werneri · Hybrid cichlid (Amphilophus cross)

Threadfin Rainbowfish & Fly River Rainbowfish

Iriatherina werneri · Melanotaenia sexlineata

Possible with Caution

Threadfin Rainbowfish: PeacefulFly River Rainbowfish: Peaceful

Threadfin Rainbowfish & Flying Fox

Iriatherina werneri · Epalzeorhynchos kalopterus

Possible with Caution

Threadfin Rainbowfish: PeacefulFlying Fox: Aggressive

Threadfin Rainbowfish & Flyspeck Hardyhead

Iriatherina werneri · Craterocephalus stercusmuscarum

Possible with Caution

Threadfin Rainbowfish: PeacefulFlyspeck Hardyhead: Peaceful

Threadfin Rainbowfish & Forktail Blue-eye

Iriatherina werneri · Pseudomugil furcatus

Possible with Caution

Threadfin Rainbowfish: PeacefulForktail Blue-eye: Peaceful

Threadfin Rainbowfish & Fort Maguire Peacock

Iriatherina werneri · Aulonocara hansbaenschi

Threadfin Rainbowfish & Fosso Cichlid (Fossorochromis rostratus)

Iriatherina werneri · Fossorochromis rostratus

Threadfin Rainbowfish & Freshwater Angelfish

Iriatherina werneri · Pterophyllum scalare