The false trevally or White fish, Lactarius lactarius, not to be confused with the milk-cap mushroom genus Lactarius, is species of fish in the family Lactariidae, currently the sole member of the family. Silvery grey with blue iridescence dorsally, silvery white ventrally; upper part of gill cover with a dusky black spot; fins pale yellow. Mouth large and oblique.

The calories in white trevally per fish size of average  135g  will be generally 227 calories. White Trevally is calculated to be 168 Calories per 100 grams making 80 Calories equivalent to 47.62g with 29.57g of mostly protein, 10.8g of fat, 0.14g of carbohydrates in 135g while being rich in vitamins and minerals such as Vitamin D and Vitamin B12. The false trevally is native to the Indian Ocean and from East Africa to Southeast Asia, and in the western Pacific Ocean from Japan to Queensland, Australia. It is a coastal species, occurring in marine and brackish waters at depths of from 15 to 100 m. A silvery-blue false trevally fading to silvery-white below with a dusky blotch on the upper part of the gill cover and yellowish fins.

False trevally / Parava fish is also known as Malabar Jack and Malabar King Fish. It is available throughout the Indian Coastal waters. It has the typical body profile of a jack, with a strongly compressed body almost ovate in shape. The colour of the Malabar trevally is usually a silver overlain by a bluish-grey hue on the upper side of the fish fading to a silvery-white on the underside and lower flanks. It is a favorite of all fish eaters, especially in the fried form. Fish thilappichath with vinegar is another tasty mouth watering dish.