Common Ponyfish, Leiognathus equulus Click to enlarge image
A Common Ponyfish caught off Mindoro Island, Philippine Islands, May 2000. Image: Mark McGrouther
© Australian Museum

Fast Facts

  • Classification
    Species
    equulus
    Genus
    Leiognathus
    Family
    Leiognathidae
    Order
    Perciformes
    Class
    Actinopterygii
    Subphylum
    Vertebrata
    Phylum
    Chordata
    Kingdom
    Animalia
  • Size Range
    The species grows to 25 cm in length.

Introduction

It occurs in the Indo-West Pacific in estuarine and coastal waters. It is also known from muddy river mouths and sometimes ascends into freshwaters.

Identification

The Common Ponyfish is silvery with a brown saddle on the caudal peduncle. It has faint bars on the back and sometimes a dark blotch on the forehead. The anal fin is yellowish.

Like all species in the genus Leiognathus, the Common Ponyfish can extend its mouth into a downward pointing tube.

Habitat

It occurs in estuarine and coastal waters. It is also known from muddy river mouths and sometimes ascends into freshwaters.

Distribution

It occurs in the Indo-West Pacific.

In Australia it is known from off north-western Western Australia, around the tropical north and south to southern Queensland.

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



References

  1. Gloerfelt-Tarp, T & P.J. Kailola. 1984. Trawled Fishes of southern Indonesia and north-western Australia. Jakarta: Directorate General of Fisheries (Indonesia), German Agency for Technical Cooperation, Australian Development Assistance Bureau. Pp. 406.
  2. Kuiter, R.H. 1996. Guide to Sea Fishes of Australia. New Holland. Pp. 433.