Threefinger threadfin (Eleutheronema tridactylum)

Scientific name: Eleutheronema tridactylum Bleeker, 1849

Threefinger threadfin (Eleutheronema tridactylum)

The Threefinger threadfin (Eleutheronema tridactylum) is a brackish-water fish of the family Polynemidae. Native range: Western Pacific, known only from Thailand, Malaysia, and western Indonesia.

Biology

Dorsal spines (total): 9; Dorsal soft rays (total): 13-14; Anal spines: 3; Anal soft rays: 14 - 15. Pectoral filaments 3; fin membranes uniformly brown like all other fins. Vomer lacks deciduous tooth plates on both sides throughout its life history. Posterior part of maxilla shallow, 2-3% of SL. Long tooth plate extension onto lateral surface of lower jaw, 9-10% SL.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Eleutheronema tridactylum
Family
Polynemidae (Threadfins)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
25.0
Environment
Marine; brackish; pelagic-neritic
Climate
Tropical
Distribution
Western Pacific: known only from Thailand, Malaysia, and western Indonesia.
Conservation status (IUCN)
Data deficient (DD)
Threat to humans
Harmless
Uses
Fisheries: minor commercial
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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