South American silver croaker (Plagioscion squamosissimus)

Scientific name: Plagioscion squamosissimus Heckel, 1840

The South American silver croaker (Plagioscion squamosissimus) is a freshwater fish of the family Sciaenidae. In the aquarium it needs water at 22–27°C (72–81°F). Native range: South America, Amazon, Orinoco, Paran?, Paraguay, and S?o Francisco River basins and rivers fo Guianas.

South American silver croaker care at a glance

Temperature: 22–27°C (72–81°F)

Biology

Occupies very diverse biotopes and carries out its biological cycle in freshwater as well as in brackish water. Juveniles feed on larvae of crustaceans (especially Macrobrachium), aquatic insects and copepods. Adults prey on fish. Captured during the rainy season.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Plagioscion squamosissimus
Family: Sciaenidae (Drums or croakers)
Order: Perciformes (Perch-like fish)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 80.0
Environment: Freshwater; benthopelagic; potamodromous
Climate: Tropical
Distribution: South America: Amazon, Orinoco, Paran?, Paraguay, and S?o Francisco River basins and rivers fo Guianas.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Fisheries: commercial; aquaculture: commercial; aquarium: commercial
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (K=0.11-0.22; tm=1-1.5)