Long-jawed river garfish (Zenarchopterus caudovittatus)

Scientific name: Zenarchopterus caudovittatus Weber, 1907

The Long-jawed river garfish (Zenarchopterus caudovittatus) is a freshwater fish of the family Hemiramphidae. Native range: Asia and Oceania, Merauke River in Irian Jaya, Indonesia and Arnhem Land, Australia.

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 12-13; Anal spines: 0; Anal soft rays: 13 - 14; Vertebrae: 46. Very long upper jaw, very long pectoral fin, and relatively short lower jaw. Head longer than lower jaw; pectoral fin about as long as head. Sixth anal ray of males widened but not elongated beyond the rest of anal fin rays. None of the male dorsal rays elongated beyond the rest of the dorsal fin.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Zenarchopterus caudovittatus
Family
Hemiramphidae (Halfbeaks)
Order
Beloniformes (Needle fishes)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
14.0
Environment
Freshwater; pelagic
Climate
Tropical
Distribution
Asia and Oceania: Merauke River in Irian Jaya, Indonesia and Arnhem Land, Australia.
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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