The Spotted-gill Cardinalfish is a charming addition to marine tanks, valued for its subtle beauty and schooling behavior. Its body is yellowish-beige with faint black horizontal stripes and distinctive orange spots on the gill covers, more prominent in adults. Native to the Indo-West Pacific, from the Indo-Malay Archipelago to New Guinea and the Solomon Islands, they inhabit coral reefs at depths of 2-25 meters, often schooling among branching corals. Hobbyists note their sensitivity during acclimation, requiring dim lighting and ample hiding spots like live rock to settle. Once established, their nocturnal schooling adds a serene, dynamic display to reef tanks.
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