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 193 - 216 of 735 Tank Mates

Threadfin Rainbowfish & Cockatoo Dwarf Cichlid

Iriatherina werneri · Apistogramma cacatuoides

Possible with Caution

Threadfin Rainbowfish: PeacefulCockatoo Dwarf Cichlid: Semi-Aggressive

Threadfin Rainbowfish & Colombian Shark Catfish (Brackish)

Iriatherina werneri · Ariopsis seemanni

Threadfin Rainbowfish & Colombian Tetra

Iriatherina werneri · Hyphessobrycon columbianus

Possible with Caution

Threadfin Rainbowfish: PeacefulColombian Tetra: Mostly Peaceful

Threadfin Rainbowfish & Common Pleco

Iriatherina werneri · Hypostomus plecostomus

Threadfin Rainbowfish & Common Pleco (Amazon Sailfin)

Iriatherina werneri · Pterygoplichthys pardalis

Threadfin Rainbowfish & Common Synodontis (False Upside Down Catfish)

Iriatherina werneri · Synodontis nigrita

Threadfin Rainbowfish & Common Whiptail Catfish

Iriatherina werneri · Rineloricaria eigenmanni

Possible with Caution

Threadfin Rainbowfish: PeacefulCommon Whiptail Catfish: Peaceful

Threadfin Rainbowfish & Congo Bichir

Iriatherina werneri · Polypterus endlicheri congicus

Threadfin Rainbowfish & Congo Puffer (Potato Puffer)

Iriatherina werneri · Tetraodon miurus

Threadfin Rainbowfish & Congo Tetra

Iriatherina werneri · Phenacogrammus interruptus

Possible with Caution

Threadfin Rainbowfish: PeacefulCongo Tetra: Peaceful

Threadfin Rainbowfish & Contradens Pleco (Snowball Variant)

Iriatherina werneri · Hypancistrus contradens

Possible with Caution

Threadfin Rainbowfish: PeacefulContradens Pleco (Snowball Variant): Mostly Peaceful

Threadfin Rainbowfish & Convict Cichlid

Iriatherina werneri · Amatitlania nigrofasciata

Possible with Caution

Threadfin Rainbowfish: PeacefulConvict Cichlid: Aggressive

Threadfin Rainbowfish & Copper Harlequin Rasbora

Iriatherina werneri · Trigonostigma hengeli

Possible with Caution

Threadfin Rainbowfish: PeacefulCopper Harlequin Rasbora: Peaceful

Threadfin Rainbowfish & Corona Rainbowfish

Iriatherina werneri · Melanotaenia corona

Possible with Caution

Threadfin Rainbowfish: PeacefulCorona Rainbowfish: Peaceful

Threadfin Rainbowfish & Crimsonspotted Rainbowfish

Iriatherina werneri · Melanotaenia duboulayi

Possible with Caution

Threadfin Rainbowfish: PeacefulCrimsonspotted Rainbowfish: Peaceful

Threadfin Rainbowfish & Crying Whiptail

Iriatherina werneri · Loricaria sp. "Rio Atabapo"

Possible with Caution

Threadfin Rainbowfish: PeacefulCrying Whiptail: Peaceful

Threadfin Rainbowfish & Cuban Cichlid

Iriatherina werneri · Nandopsis tetracanthus

Threadfin Rainbowfish & Cuban Gar

Iriatherina werneri · Atractosteus tristoechus

Threadfin Rainbowfish & Cuckoo Catfish

Iriatherina werneri · Synodontis multipunctatus

Possible with Caution

Threadfin Rainbowfish: PeacefulCuckoo Catfish: Semi-Aggressive

Threadfin Rainbowfish & Cupid Cichlid

Iriatherina werneri · Biotodoma cupido

Possible with Caution

Threadfin Rainbowfish: PeacefulCupid Cichlid: Mostly Peaceful

Threadfin Rainbowfish & Cutteri Cichlid

Iriatherina werneri · Amatitlania cutteri

Possible with Caution

Threadfin Rainbowfish: PeacefulCutteri Cichlid: Aggressive

Threadfin Rainbowfish & Cyprichromis Leptosoma

Iriatherina werneri · Cyprichromis leptosoma

Threadfin Rainbowfish & Dainty Cory (Salt and Pepper Cory)

Iriatherina werneri · Corydoras habrosus

Possible with Caution

Threadfin Rainbowfish: PeacefulDainty Cory (Salt and Pepper Cory): Peaceful

Threadfin Rainbowfish & Debauwi Catfish (Three-Striped Glass Catfish)

Iriatherina werneri · Pareutropius buffei

Possible with Caution

Threadfin Rainbowfish: PeacefulDebauwi Catfish (Three-Striped Glass Catfish): Peaceful