Jae Barb

Enteromius jae

Photo of aquarium fish Jae Barb
Natural range
  • Equatorial Africa area
  • Congo Basin
  • Angola
  • Cameroon
  • Democratic Republic of the Congo
  • Equatorial Guinea
  • Gabon
  • Republic of the Congo
Cyprinids Up to 40 litres Cold-water

Family:Cyprinids (Cyprinidae)

formerly Barbus jae

The Jae Barb, also known by its scientific name Enteromius jae, belongs to the family Cyprinidae. This miniature and picturesque fish can become a true gem in a nano aquarium. Its care and breeding are straightforward, and its compatibility with other species of similar size makes it an excellent choice. This fish is perfectly suited for beginner aquarists.

Required aquarium volume
from 40 L
Size in aquarium
4 cm
Temperature
17 – 24 °C
Temperament
Peaceful (regular)
Parameters
Temperature17 – 24 °C
Water pHSlightly acidic (5) – Neutral (6.5)
Water dHVery soft (1) – Soft (5)
Water salinityno salt (freshwater)
Size in aquarium4 cm
Lifespan4 years
TemperamentPeaceful (regular)
Toward small fishnot a predator
Required aquarium volumefrom 40 L
Lightingdimmed or moderate
Substratesoft silted
Water flowweak
Swimming levelmiddle level
FeedingSmall
KeepingGroup (8–10 individuals)
Jumpinglow

Frequently asked questions

The essentials: size, tank volume, water parameters and care

How big does Jae Barb get?

An adult reaches 4 cm in length. Plan the tank around the maximum size: the fish quickly outgrows a cramped setup.

What size aquarium does Jae Barb need?

The recommended volume is 40 L. A smaller tank speeds up nitrate build-up and raises stress levels.

What water parameters does Jae Barb need?

Temperature 17–24 °C, pH 5–6.5, hardness 1–5 dGH. Stability matters more than exact values: sudden swings are harder on the fish than a small deviation from the ideal.

How long does Jae Barb live?

Around 4 years when kept properly. Lifespan depends directly on tank volume, water quality and a varied diet.

Is Jae Barb aggressive?

Temperament: peaceful (regular). Keep this in mind when choosing tank mates.

How many Jae Barb should be kept together?

Recommended setup: group (8–10 individuals). Ignoring this is a common cause of stress and disease.

What does Jae Barb eat?

Diet type: small / appropriate size / pieces. Feed small portions that are finished within a couple of minutes — overfeeding does more harm than underfeeding.

What is the scientific name of Jae Barb?

The scientific name of the species is Enteromius jae, family Cyprinids (Cyprinidae).

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