Sevenband cardinalfish (Ostorhinchus septemstriatus) is a ray-finned fish of the family Apogonidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 5.3 cm. It occurs at depths between 18 and 68 metres. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.
Dorsal spines (total): 8; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 8. This species is characterized by 3 narrow dark stripes, the first from nape along base of first dorsal fin, the second above eye to upper caudal peduncle, the third midlateral from front of snout to end of caudal fin; pectoral rays 13-14; well-developed gill rakers 14-16, total with rudiments 17-21; first dorsal spines 7 .: fusiform / normal.
Behavioural data for Sevenband cardinalfish is currently being reviewed.
Mouthbrooders . Distinct pairing during courtship and spawning .
Marine; reef-associated; depth range 18 - 68 m . Tropical West Pacific: continental margins from Australia and the Philippines; expected elsewhere in Indonesia.
The following diseases are known to affect Sevenband cardinalfish.
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