Ring-tailed cardinalfish

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Ring-tailed cardinalfish
Apogon aureus.jpg
Ostorhinchus aureus
Ring-tail Cardinalfish, Apogon aureus.jpg
A group of Ostorhinchus aureus with other cardinalfishes.
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Apogonidae
Subfamily: Apogoninae
Genus: Ostorhinchus
Species: O. aureus
Binomial name
Ostorhinchus aureus
Lacépède, 1802

The ring-tailed cardinalfish (Ostorhinchus aureus) is a widespread fish species in the family Apogonidae found in the Red Sea and off East Africa to Papua New Guinea, north to Japan, and south to Australia.[1]

Description[edit]

This fish is coppery-coloured with a broad blackish bar at the base of the tail, up to 14.5 cm in length. The upper jaw has a narrow blue streak, and a broad blackish stripe extends from the front of the snout to the eye. Easily confused with Ostorhinchus fleurieu,[2] where the black tail bar does not narrow in the centre, but unlike this species, the stripe is also present in juveniles.

Habitat[edit]

Ostorhinchus aureus inhabits holes in rocks or under ledges in shallow waters. It is known to occur in mixed aggregates with Ostorhinchus apogonoides during summer and autumn, but form separate aggregates in winter and spring.

References[edit]

  1. ^ Froese, Rainer and Pauly, Daniel, eds. (2012). "Ostorhinchus aureus" in FishBase. December 2012 version.
  2. ^ Lieske, E. and Myers, R.F. (2004) Coral reef guide; Red Sea London, HarperCollins ISBN 0-00-715986-2