Tami Rainbowfish

Glossolepis pseudoincisus

Photo of aquarium fish Tami Rainbowfish
Natural range
  • Lake Emfote area
  • Lake Iwom area
RainbowfishConservation status: Vulnerable VU

Family:Rainbowfishes (Melanotaeniidae)

Glossolepis pseudoincisus, or Tami Rainbowfish, belongs to the family Melanotaeniidae. This species is endemic to the island of New Guinea. In its natural habitat, its populations are found exclusively in one small lake, located near the Tami River, approximately 23 kilometers southeast of Jayapura in Indonesia.

Required aquarium volume
70 L
Size in aquarium
6 – 8 cm
Temperature
22 – 25 °C
Temperament
Peaceful (regular)
Parameters
Temperature22 – 25 °C
Water pHNeutral (7) – Slightly alkaline (8)
Water dHMedium hardness (10) – Very hard (20)
Water salinityno salt (freshwater)
Size in aquarium6 – 8 cm
Lifespan8 years
TemperamentPeaceful (regular)
Toward small fishnot a predator
Required aquarium volume70 L
Lightingmoderate (regular)
Substrateany (no restrictions)
Water flowweak
FeedingAny (universal)
CareMedium group (6–8 individuals)

Frequently asked questions

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

How big does Tami Rainbowfish get?

An adult reaches 6–8 cm in length. Plan the tank around the maximum size: the fish quickly outgrows a cramped setup.

What size aquarium does Tami Rainbowfish need?

The minimum recommended volume is 70 L. A smaller tank speeds up nitrate build-up and raises stress levels.

What water parameters does Tami Rainbowfish need?

Temperature 22–25 °C, pH 7–8, hardness 10–20 dGH. Stability matters more than exact values: sudden swings are harder on the fish than a small deviation from the ideal.

How long does Tami Rainbowfish live?

Around 8 years when kept properly. Lifespan depends directly on tank volume, water quality and a varied diet.

Is Tami Rainbowfish aggressive?

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

How many Tami Rainbowfish should be kept together?

Recommended setup: medium group (6–8 individuals). Ignoring this is a common cause of stress and disease.

What does Tami Rainbowfish eat?

Diet type: any (universal). Feed small portions that are finished within a couple of minutes — overfeeding does more harm than underfeeding.

What is the scientific name of Tami Rainbowfish?

The scientific name of the species is Glossolepis pseudoincisus, family Rainbowfishes (Melanotaeniidae).

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