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Banded Lampeye

Aplocheilichthys spilauchen

Brackish West and central Africa

A striking surface-dwelling killifish with glowing blue eyes and barred flanks in adult males. Found in coastal mangroves and estuaries, it thrives best with slight salinity. A tight cover is essential as it leaps readily when startled.

7 cm adult length, drawn to scale. slim body.

Brackish species. Needs a little salt in the water, below full marine strength. It will not mix with most freshwater fish.

Try it in the planner Opens a tank sized to its minimum with 6 fish added.

What it needs

ItemValueBecause
Adult length 7 cm Used for the Space check: the tank must be long enough for the fish to turn round.
Smallest tank 80 L, at least 60 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 8 L estimated What each further fish adds once the minimum is met.
Waste load Class 2 of 5 estimated How much waste an adult makes against its size. Feeds the Load check.
Temperature 24 to 28 C Stock sharing a tank need overlapping ranges.
pH 7 to 8.2 Compared with tankmates in the Water check.
Hardness GH 10 to 25, KH 6 to 15 Degrees of general and carbonate hardness.
Flow Low Low-flow fish are stressed in a strong current.
Light Moderate Matched to the lighting class on the needs sheet.
Group size At least 6, ideally 10 Kept alone or in small numbers it hides, fades or turns on tankmates.
Temperament Peaceful Not territorial.
Swims in Upper water Fish that use different levels share a tank more easily.
Lifespan About 3 years A fish is a long commitment.
Experience Some experience helps 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

Banded Lampeye is an carnivore that swims in the upper water. It is safe with plants. Give it some cover.

Tankmates

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.