Animal Species:Mangrove Jack, Lutjanus argentimaculatus (Forsskål, 1775)

The Mangrove Jack is greenish brown to reddish. In Australia it is known from the central coast of Western Australia, around the tropical north of the country and south to the central coast of New South Wales.

Standard Common Name

Mangrove Jack

Alternative Name/s

Creek Red Bream, Dog Bream, Mangrove Red Snapper, Purple Sea Perch, Red Bass, Red Bream, Red Perch, Red Reef Bream, River Roman, Rock Barramundi

Identification

The Mangrove Jack is greenish brown to reddish. Juveniles have pale bars on the sides of the body and one or two blue lines on the cheeks. The species has an emarginate caudal fin and scale rows on the back that are roughly parallel to the lateral line.

Size range

It grows to 1.2 m in length.

Similar Species

The Mangrove Jack looks similar to the Red Bass, Lutjanus bohar. The Red Bass has a lower spinous dorsal fin, scale rows on the back that rise obliquely from the lateral line, a deep groove from the nostrils to the eyes and generally darker colouration.

Distribution

The Mangrove Jack occurs in tropical and some warm temperate marine waters of the Indo-West and Central Pacific. In Australia it is known from the central coast of Western Australia, around the tropical north of the country and south to the central coast of New South Wales.

The map below shows the Australian distribution of the species based on public sightings and specimens in Australian Museums. Click on the map for detailed information.  Source: Atlas of Living Australia.

Lutjanus argentimaculatus

Distribution by collection data

Ozcam map of Mangrove Jack specimens in the Australian Museums.

What does this mean?

Habitat

Juveniles usually live in mangrove estuaries and freshwater streams. Adults live on deeper offshore reefs down to depths of at least 100 m.

Classification

Species:
argentimaculatus
Genus:
Lutjanus
Family:
Lutjanidae
Order:
Perciformes
Class:
Actinopterygii
Subphylum:
Vertebrata
Phylum:
Chordata
Kingdom:
Animalia

What does this mean?

References

  1. Allen, G.R. 1997. Marine Fishes of Tropical Australia and South-east Asia. Western Australian Museum. Pp. 292.
  2. Hoese, D.F., Bray, D.J., Paxton, J.R. & G.R. Allen. 2006. Fishes. In Beesley, P.L. & A. Wells. (eds) Zoological Catalogue of Australia. Volume 35. ABRS & CSIRO Publishing: Australia. parts 1-3, pages 1-2178.
  3. Randall, J.E., Allen, G.R. & R.C. Steene. 1997. Fishes of the Great Barrier Reef and Coral Sea. Crawford House Press. Pp. 557.


Mark McGrouther , Collection Manager, Ichthyology
Last Updated:

Tags Fishes, Ichthyology, Mangrove Jack, Lutjanus argentimaculatus, Lutjanidae, greenish-brown, red, tropical water, marine, Creek Red Bream, Dog Bream, Mangrove Red Snapper, Purple Sea Perch, Red Bass, Red Bream, Red Perch, Red Reef Bream, River Roman, Rock Barramundi, pales bars, stripes or bands, > 1m, mangrove estuaries, freshwater streams, offshore reef, deepsea,