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Moonlight Gourami

Trichopodus microlepis

Freshwater South-east Asia Usually captive bred

An elegant anabantoid displaying uniform iridescent, silvery-green scales and elongated, thread-like pelvic fins used as sensitive feelers. Gentle and slow-moving, it breathes atmospheric air at the surface and thrives in tranquil planted settings. Avoid aggressive or fin-nipping tank mates, which will harass it and shred its delicate fins.

Also called: Moonbeam gourami, Moonlight gourami.

13 cm adult length, drawn to scale. deep body.

Try it in the planner Opens a tank sized to its minimum with 1 fish added.

What it needs

ItemValueBecause
Adult length 13 cm Used for the Space check: the tank must be long enough for the fish to turn round.
Smallest tank 120 L, at least 80 cm long estimated The least water and floor length this species is kept in for good, as a single fish or smallest group.
Extra water per added fish 25 L estimated What each further fish adds once the minimum is met.
Waste load Class 3 of 5 estimated How much waste an adult makes against its size. Feeds the Load check.
Temperature 24 to 30 C Stock sharing a tank need overlapping ranges.
pH 6 to 7.5 Compared with tankmates in the Water check.
Hardness GH 4 to 15, KH 2 to 8 Degrees of general and carbonate hardness.
Flow Low Low-flow fish are stressed in a strong current.
Light Dim Matched to the lighting class on the needs sheet.
Group size Single fish is fine Not a schooling species.
Temperament Peaceful Territorial: weak.
Swims in Upper water Fish that use different levels share a tank more easily.
Lifespan About 6 years A fish is a long commitment.
Experience Suits a first tank A guide to how forgiving the species is of mistakes.
Jumps Yes Keep the tank covered.

Tags marked estimated are judged from the size and habits of the species rather than measured, so treat them as a sensible default.

Diet and tank layout

Moonlight Gourami is an omnivore that swims in the upper water. It leaves most plants alone. Give it plenty of cover.

Tankmates

Works with

Depends

Avoid

Compare any two fish on the compatibility page, or print the equipment for a stock on the needs sheet. How this is worked out: the method.