Now placed in the genus Ostorhinchus (Ostorhinchus nigrofasciatus), the name Wikipedia uses. 100 litres is an estimate; provide caves and shaded areas. Water figures given here are general marine aquarium guidance, not species-specific: 24–27 °C, pH 8.1–8.4 and a specific gravity of 1.023–1.026. Keep nitrate low and water quality stable. Yellow-and-black striped with reddish fins. Occasionally seen in the trade. Sources: Wikipedia, List of marine aquarium fish species (en.wikipedia.org/wiki/Listofmarineaquariumfishspecies); Wikipedia (en.wikipedia.org/wiki/Apogonnigrofasciatus). Checked October 2026.
Diet
The source gives no diet. Feed small frozen foods such as mysis and brine shrimp, plus quality flake or pellets.
Breeding
Not described in the source. Cardinalfish as a group are mouthbrooders.
Compatibility and tank mates
Reef safe and peaceful; keep with other calm fish too large to be eaten by, and too small to eat, it.
Last updated 8 October 2026. Community-edited care guide on Aquatic-Auctions.
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