Inhabits steep drop-offs; usually seen in caves or under ledges during the day in 13-40 m depth . Forms groups in crevices (Ref 90102).
Dorsal spines (total): 8; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 8; Vertebrae: 24. This species is distinguished by having D VII-I,9; A II,8; pectoral rays 14; lateral line scales 24; predorsal scales 5; gill rakers 3-4+14-16, excluding 2-3 rudiments on upper limb; preopercular margin serrate; preopercular ridge very weakly serrate around angle; body depth 3.1-3.7 in SL; mainly semi-transparent in life with 2 narrow dark (coppery, Ref. 37816) stripes on upper half of body and relatively large, black spot at the base of the caudal fin .: elongated; Cross section: compressed.
Behavioural data for Frans' cardinalfish is currently being reviewed.
Mouthbrooders . Distinct pairing during courtship and spawning .
Marine; reef-associated; depth range 13 - 40 m . Tropical West Pacific: Maldives and the Chagos Archipelago; Philippines, and Palau to Maumere, Flores, Tulamben, Bali (Indonesia) (Ref.
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Apogon franssedai | Allen, Kuiter & Randall | 1994 | Synonym |
The following diseases are known to affect Frans' cardinalfish.
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
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