Mackerel scad (Decapterus macarellus) is a saltwater species recorded in Hong Kong, Taiwan, Malaysia, United States. It is found at depths of 0–400 m. The main season in Hong Kong, Taiwan, Malaysia, United States runs summer, winter.
Scientific name: Decapterus macarellus · Water: Saltwater · Season: Summer, Winter
Size: up to 46 cm
The mackerel scad is a pelagic fish that prefers clear oceanic water and is frequently found around islands. It is sometimes seen near the surface, but is generally caught between 40 and 200 m, with records down to 400 m. It is usually seen as a fast-moving school along reef edges near deep water. It feeds mainly on zooplankton, and its eggs are pelagic. In season in both summer and winter, medium priced and sold fresh, salted or dried.
Caution: large individuals carry a ciguatera risk. Heat, cold and marinating do not remove the toxin, which concentrates in the liver, roe and head, so avoid eating those parts. Seek medical help if numbness, tingling or a reversed sense of hot and cold follows a meal.
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