The Rough scad (Trachurus lathami) is a saltwater fish of the family Carangidae that grows up to 40 cm.
Western Atlantic along North and South America, in open coastal water above the continental shelf.
Description
The rough scad is a streamlined, silvery jack of the family Carangidae reaching about 40 cm. The torpedo-shaped body has large eyes, two dorsal fins and a row of bony scutes along the curved lateral line that give firmness for fast swimming. The species forms large schools in open coastal water over the continental shelf along the American Atlantic coast. As a fast hunter it eats zooplankton, small fish and crustaceans. Through its enormous numbers it is an important prey fish for larger predators and seabirds and a link in the coastal food web; it is netted for bait and food.
Frequently asked questions
How do you recognise the Rough scad?
The Rough scad has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Streamlined, silvery scad with large eyes and a row of bony scale plates (scutes) along the lateral line.
Where does the Rough scad live?
The Rough scad lives in the sea (marine waters) and is mostly found around open water. Western Atlantic along North and South America, in open coastal water above the continental shelf.
How big does the Rough scad get?
The Rough scad grows to a maximum of about 40 cm. On average the species is around 30 cm.
Is the Rough scad dangerous to humans?
No, the Rough scad is harmless to humans. None required: this species is harmless to humans.
Is the Rough scad edible?
Yes, the Rough scad is commonly eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Trachurus
More from the family Carangidae

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Point your camera at the fish and Fin names the species in seconds. Free, and the Rough scad is one of 12,519 species in the app.