Gerres subfasciatus

Gerres subfasciatus, the common silver belly roach, ovate silver biddy,, common silverbiddy or Southern silver biddy, is a species of mojarra native to Indian and Pacific coastal waters of Australia.[2]

Gerres subfasciatus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Gerreidae
Genus: Gerres
Species:
G. subfasciatus
Binomial name
Gerres subfasciatus
G. Cuvier, 1830
Synonyms[2]
  • Gerres ovatus Günther, 1859

Description

It can be identified by its silver-colored body that can grow up to 20 cm long. The fish has a highly protrusible jaw, a long-based dorsal fin, and black-tipped anterior spines that are longer that those in the rest of the fin. Both jaws of G. subfasciatus have the ability to protrude out and down to form a tube shape, used to feed on bottom-dwelling invertebrates.[3]

Habitat

The distribution of the common silver belly ranges from south-western Western Australia in the region of the tropical north of Australia and in the south on the east coast to southern New South Wales. Typically observed to form schools over sandy bottoms, it inhabits estuaries and coastal reefs.[3]

References
  1. Munroe, T.A.; Greenfield, D. & Williams, I. (2016). "Gerres subfasciatus (errata version published in 2017)". IUCN Red List of Threatened Species. 2016: e.T68324892A115456967. Retrieved 24 February 2020.
  2. Froese, Rainer and Pauly, Daniel, eds. (2013). "Gerres subfasciatus" in FishBase. April 2013 version.
  3. Silver Biddy, Gerres subfasciatus (Cuvier, 1830), australianmuseum.net.au
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