This page is based on the list entry only; check details with your supplier. A small, peaceful cardinalfish. The minimum tank size is an estimate from its size; provide caves, overhangs or branching coral for shelter, as cardinalfish tend to hover in shaded spots. Now often placed in the genus Ostorhinchus. 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. Light yellow with shining yellow-orange lengthwise stripes. Sources: Wikipedia, List of marine aquarium fish species (en.wikipedia.org/wiki/Listofmarineaquariumfishspecies). Checked October 2026.
Diet
Feed small meaty frozen foods such as mysis, brine shrimp and copepods, plus quality flake or small pellets, once or twice a day.
Breeding
Not described in the list. Cardinalfish as a group are mouthbrooders, with the male usually carrying the eggs.
Compatibility and tank mates
Listed as reef safe. Peaceful with other calm fish.
Last updated 8 October 2026. Community-edited care guide on Aquatic-Auctions.
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