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Lutjanidae Lutjanus Lutjanus

The picture below shows Lutjanus argentimaculatus, commonly known as the Red Trough, which is a silver-striped snapper.

The body is long and oval, with rounded dorsal and ventral margins and a slightly curved dorsal margin. The eyes are spaced flat. The upper jaw has cuspidate teeth on both sides, the body is covered with medium to large pectinate scales, and the cheeks and gill covers have multiple rows of scales; the dorsal fin, anal fin, and most of the base of the caudal fin are also covered with fine scales; the lateral line is complete, and the number of scale rows on the lateral line is 44-48; the color of the body ranges from grey to purplish-red, and there are no obvious lines or spots on the body such as silvery rust; the characteristic features are that the muzzle is longer and the scale rows on the upper lateral line run parallel to the dorsal margin on the anterior part of the body, and slope to the posterior margin on the underside of the dorsal fin fin rays; The scale rows below the lateral line are parallel to the body axis. All fins the same color as body; dorsal fin with 10 hard spines and 13 to 14 soft bars; anal fin with 3 hard spines and 8 soft bars; pectoral fins long and slightly equal to head length; caudal fin truncate. Juveniles have several blue stripes on the cheeks. Body length up to 120 centimeters.

Preferring to spawn in more turbid and deeper outer reef areas or on the outer edges of the reef body, its spawning period is in the late spring and early summer; it is carnivorous and feeds on other fish and crustaceans. This fish is distributed in the Indian and Western Pacific Ocean waters.