The Acoupa weakfish (Cynoscion acoupa) is a fish that lives in both fresh and salt water of the family Sciaenidae that grows up to 110 cm.
Description
The acoupa weakfish (Cynoscion acoupa) is a large drum of the family Sciaenidae from coastal waters of eastern South America. The species has a streamlined, silvery body and can reach about 1.1 metres. It forms schools over mud and sandy-mud bottoms near river mouths; juveniles are restricted to brackish and fresh water. The diet consists of shrimps and fishes. The species is a very important food fish and is fished commercially and recreationally; its swim bladder is also prized. Owing to heavy fishing it is considered Vulnerable (VU). Like other drums it can make drumming sounds.
Frequently asked questions
How do you recognise the Acoupa weakfish?
The Acoupa weakfish has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Important food fish with a sought-after swim bladder; makes drumming sounds (VU).
Where does the Acoupa weakfish live?
The Acoupa weakfish lives in both fresh and salt water and is mostly found around sand or mud bottom. Coastal waters and river mouths of eastern South America.
How big does the Acoupa weakfish get?
The Acoupa weakfish grows to a maximum of about 110 cm. On average the species is around 45 cm.
Is the Acoupa weakfish dangerous to humans?
No, the Acoupa weakfish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Is the Acoupa weakfish edible?
Yes, the Acoupa weakfish is commonly eaten.
More photos

Want the complete picture on the Acoupa weakfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Acoupa weakfish is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Cynoscion
More from the family Sciaenidae

Want the complete picture on the Acoupa weakfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Acoupa weakfish is one of 12,519 species in the app.