River dragonet (Callionymus fluviatilis)

Scientific name: Callionymus fluviatilis Day, 1876

River dragonet (Callionymus fluviatilis)

The River dragonet (Callionymus fluviatilis) is a brackish-water fish of the family Callionymidae. Native range: Indo-Pacific, Indian subcontinent to Viet Nam. Common in the Mekong delta and probably found in Cambodia.

Biology

Dorsal spines (total): 4; Dorsal soft rays (total): 10; Anal soft rays: 9. Sandy yellow, ventrally lighter. First dorsal fin with a black blotch basally on third membrane. Second dorsal fin, caudal fin, pectoral and pelvic fins spotted with brown. Anal fin white. First dorsal fin lower than second dorsal fin. First spine of first dorsal fin shorter than second spine. Anal fin pale. Second dorsal fin without white bands (Ref 42832).

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Callionymus fluviatilis
Family
Callionymidae (Dragonets)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
7.0
Environment
Marine; brackish; demersal
Climate
Tropical
Distribution
Indo-Pacific: Indian subcontinent to Viet Nam. Common in the Mekong delta and probably found in Cambodia.
Conservation status (IUCN)
Not Evaluated
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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