Environment: milieu / climate zone / depth range / distribution range
Ekologi
laut berasosiasi dengan karang; kisaran kedalaman 3 - 35 m (Ref. 11890). Tropical
Western Central Pacific: Singapore to Indonesia and Australia.
Size / Weight / umur
Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm TL jantan/; (Ref. 48635); common length : 7.0 cm SL jantan/; (Ref. 37816)
Duri punggung (Keseluruhan (total)): 7; duri punggung lunak (Keseluruhan (total)): 9; Duri dubur 2; Sirip dubur lunak: 8. Easily confused with A. trimaculatus but lacks opercle spot (Ref. 48635).
Inhabits shallow protected reefs of lagoons or harbors (Ref. 40889). Nocturnal and usually seen solitary (Ref. 48635).
Mouthbrooders (Ref. 240). Distinct pairing during courtship and spawning (Ref. 205).
Randall, J.E. and T.H. Fraser, 1999. Clarification of the western Pacific cardinalfish species Apogon trimaculatus and A. rhodopterus, with description of a similar new species. Raffles Bull. Zool. 47(2):617-633. (Ref. 40889)
Status IUCN Red List (Ref. 130435)
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