Flap-gilled dragonet (Eleutherochir opercularis)

Scientific name: Eleutherochir opercularis Valenciennes, 1837

Flap-gilled dragonet (Eleutherochir opercularis)

The Flap-gilled dragonet (Eleutherochir opercularis) is a brackish-water fish of the family Callionymidae.

Biology

Dorsal spines (total): 4; Dorsal soft rays (total): 9; Anal soft rays: 9. Head and body brown or yellow, belly lighter. Back with small light spots and dark blotches. First dorsal fin black. Anal fin whitish. Pelvic fins dark and brown or black. Second dorsal, caudal, and pectoral fins spotted with dark brown. Body without lateral fold of skin below lateral line. Interorbital distance more than eye diameter (Ref 42832).

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Eleutherochir opercularis
Family
Callionymidae (Dragonets)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
11.0
Environment
Marine; brackish; demersal
Climate
Tropical
Distribution
Indo-West Pacific: Sri Lanka, east coast of India, Andaman and Nicobar islands to western Malaysia (Penang) and Indonesia, east to the Philippines and the Ryukyu Islands, Japan.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: of no interest
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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