Large-scale croaker (Johnius heterolepis)

Scientific name: Johnius heterolepis Bleeker, 1873

The Large-scale croaker (Johnius heterolepis) is a marine fish of the family Sciaenidae. Native range: Indo-Pacific, Malaysia, Indonesia around the coasts of Sumatra and Java, including Singapore.

Biology

Dorsal spines (total): 11; Dorsal soft rays (total): 25-28; Anal spines: 2; Anal soft rays: 7. Greenish or bluish grey above, silvery below; fins yellowish.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Johnius heterolepis
Family
Sciaenidae (Drums or croakers)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
15.0
Common length
12.0
Environment
Marine; benthopelagic
Climate
Tropical
Distribution
Indo-Pacific: Malaysia, Indonesia around the coasts of Sumatra and Java, including Singapore.
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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