Small-jaw croaker (Nibea microgenys)

Scientific name: Nibea microgenys Sasaki, 1992

The Small-jaw croaker (Nibea microgenys) is a brackish-water fish of the family Sciaenidae. Native range: Western Central Pacific, northern Australia, including the northwestern coast.

Biology

Dorsal spines (total): 11; Dorsal soft rays (total): 29-31; Anal spines: 2; Anal soft rays: 7. Snout pointed, projecting in front of upper jaw; mouth small, inferior, slightly oblique; upper jaw length 32-38 % of head length, lower jaw length 34-40 % of head length. Mental pores in 3 pairs, the first close together, united by a crescent-shaped groove just behind symphysis. Teeth differentiated into large and small in upper jaw only; a band of villiform teeth in lower jaw. Second anal spine long, stiff, 44 to 57 % of head length. Swim bladder carrot-shaped, with 19-21 pairs of arborescent appendages along its sides, the first pair entering head beyond transverse of septum. Sagitta (large earstone) with a tadpole-shaped impression, the tail of which is J-shaped.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Nibea microgenys
Family
Sciaenidae (Drums or croakers)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
23.0
Common length
19.0
Environment
Marine; brackish; benthopelagic
Climate
Tropical
Distribution
Western Central Pacific: northern Australia, including the northwestern coast.
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.

Last updated