LearnFishCongo Tetra
IntermediateTetrasPeaceful

Congo Tetra

Phenacogrammus interruptus

One of the most beautiful tetras available. Males develop stunning iridescent scales that shift between blue, green, gold, and orange, with flowing fin extensions. A showpiece in any aquarium.

Buy Congo Tetra

Quick Facts

Max Size3.5"
Lifespan3–5 years
Min Tank30 gal
DietOmnivore
SchoolingYes (6+)
OriginAfrica

Water Parameters

Temperature2428°C
pH Range67.5

Natural Habitat

Murky, slow-moving tributaries of the Congo River with overhanging vegetation and muddy bottoms.

Region

Congo River Basin

Countries

Democratic Republic of Congo

Feeding

Omnivorous — flake, pellets, frozen foods. Will also nibble on soft plants if underfed.

Compatible Tank Mates

Good Matches

African Butterfly FishSynodontisKribensisOther Congo speciesCorydoras

Avoid

Fin nippers (Tiger Barbs)Very small fishAggressive cichlids

Breeding

Egg scatterer. Males display intensely before spawning. Requires soft, slightly acidic water and fine-leaved plants.

Care Tips

Males are much more colourful than females

Need open swimming space — don't overcrowd with hardscape

Best in a Congo biotope setup

Fin extensions develop fully in mature males (6+ months)

More Tetras

Cardinal Tetra

Paracheirodon axelrodi

2"Easy

Neon Tetra

Paracheirodon innesi

1.5"Easy

Ember Tetra

Hyphessobrycon amandae

0.8"Easy

Looking to buy?

Browse our live fish collection — premium sourced with live arrival guarantee.

Shop Fish →

Build a tank for this species?

Our DIY kits include complete stocking plans matched to each species' needs.

Browse DIY Kits →