Golden ponyfish (Leiognathus aureus)

Scientific name: Leiognathus aureus Abe & Haneda, 1972

The Golden ponyfish (Leiognathus aureus) is a brackish-water fish of the family Leiognathidae. Native range: Western Pacific, Taiwan to Indonesia; also known from the Gulf of Thailand, Timor Sea and the Arafura Sea.

Biology

Dorsal spines (total): 8; Dorsal soft rays (total): 16; Anal spines: 3; Anal soft rays: 14; Vertebrae: 24. Mouth protruding forward, not downward; teeth small, slender, pointed, uniserial on jaws; membrane between jaws and cheeks densely pigmented, with a black line between anteroventral margin of eye and the lower articulation when mouth closed; lateral line incomplete, ending below base of 12th to 16th dorsal fin soft ray; body rather slender, 31-45% SL; posterior limb of maxilla short, 15-23% HL; anteroventral profile of lower jaw straight or slightly convex; no large blotch on nape or below base of dorsal fin spines. Silvery upper half with irregular grey-brown blotch and marbling.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Leiognathus aureus
Family
Leiognathidae (Slimys, slipmouths or ponyfishes)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
10.0
Common length
6.0
Depth range
70–140 m (230–459 ft)
Environment
Marine; brackish; demersal; depth range 70 - 140 m
Climate
Tropical
Distribution
Western Pacific: Taiwan to Indonesia; also known from the Gulf of Thailand, Timor Sea and the Arafura Sea.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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