Warrior catfish (Hemiarius dioctes)

Scientific name: Hemiarius dioctes Kailola, 2000

The Warrior catfish (Hemiarius dioctes) is a freshwater fish of the family Ariidae. Native range: Western Central Pacific, southern New Guinea and Australia.

Biology

Dorsal spines (total): 1; Dorsal soft rays (total): 7; Anal spines: 0; Anal soft rays: 17 - 21; Vertebrae: 49 - 50. Teeth strong, non-depressible; in narrow bands in jaws and in four patches arranged across front palate. Snout prominent, jaw teeth exposed; mouth wide. Head somewhat venulosus, head shield almost smooth. Eye small, free of head skin, 6-14% HL. No rakers on posterior face of first two arches; gill opening wide. Body orange-yellow; lips, inside mouth and body usually covered with orange or yellow mucus, and teeth usually reddish.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Hemiarius dioctes
Family
Ariidae (Sea catfishes)
Order
Siluriformes (Catfish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
120
Environment
Marine; freshwater; brackish; demersal
Climate
Tropical
Distribution
Western Central Pacific: southern New Guinea and Australia.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Traumatogenic
Resilience
Very Low, minimum population doubling time more than 14 years (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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