Inhabits holes in rocks or under ledges in shallow waters. Known to occur in mixed aggregates with Apogon apogonoides during summer and autumn, but form separate aggregates in winter and spring. Forms aggregations (Ref 90102).
Dorsal spines (total): 8; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 8; Vertebrae: 14. Distinguished by having the following characteristics: Dorsal-fin rays VII-I, 9; anal-fin rays II,8; pectoral-fin rays 14; pelvic-fin rays I,5; pored lateral line scales 25; predorsal scales 5; circumpeduncular scales 12; total gill rakers 24, developed gill rakers, 21; without oblique dark bars on cheek . Color in life coppery with iridescence, paler posteriorly; a blackish stripe, bordered by a blue line, running from front of snout through eye and beyond; a narrow blue streak on maxilla. Large and oblique mouth; median predorsal scales 5; preopercular ridge smooth with posterior and most of ventral margin serrate. Black bar encircling caudal peduncle present in both young and adult phases .: short and / or deep; Cross section: compressed.
Behavioural data for Ring-tailed cardinalfish is currently being reviewed.
Mouthbrooders . Distinct pairing during courtship and spawning .
Marine; reef-associated; depth range 1 - 40 m . Tropical; 30°N - 30°S West Pacific: Red Sea and East Africa to Papua New Guinea, north to Miyakejima, Japan (Ref.
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Amia aurea | Lacepède | 1802 | Synonym |
| Apogon aureus | Lacepède | 1802 | Synonym |
| Apogon roseipinnis | Cuvier | 1829 | Synonym |
| Centropomus aureus | Lacepède | 1802 | Synonym |
| Gronovichthys aureus | Lacepède | 1802 | Synonym |
The following diseases are known to affect Ring-tailed cardinalfish.
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 19 records indexed .
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