Round scad

Body elongate, fusiform, moderately compressed. Upper jaw reaching to just below front margin eye. Teeth in jaws in a single series, those of upper jaw confined to anterior end of jaw; vomerine teeth in a transverse strip; palatines toothed. First dorsal fin with 7-8 spines; second dorsal fin with one spine and 32-33 soft rays. Pectoral fins falcate, tips reaching to below origin of second dorsal fin. Anal fin with 2 detached spines, followed by I + 28-29 soft rays. A single finlet behind dorsal and anal fins. Lateral line slightly arched, becoming straight below 12th to 13th dorsal fin rays; curved portion longer than straight portion; 32 to 38 moderate scutes. Colour green to blue-green above, silvery white below; dorsal, pectoral and caudal fins pale yellow; anterior apex of 2nd dorsal fin withe; a black spot on edge of operculum; pupil black.

Eastern Indian Ocean and Western Central Pacific; throughout most warm coastal waters.

Maximum 35 cm; common 25 cm.

Inhabits coastal waters, normally down to 20 meters.In Guam, it is encountered in large numbers around fish aggregating devices, buoys anchored offshore to attract pelagic gamefishes.Feeds on pelagic and bottom-living animals.

The Philippines report a statistical category "Decapterus and Selar". The total catch reported for this species to FAO for 1999 was 67 689 t. The countries with the largest catches were Japan (47 157 t) and Taiwan Province of China (20 532 t).Caught mainly with purse seines and bottom trawls. Marketed mostly fresh; also dried-salted and used as fish bait.

Dorsal spines (total): 9; Dorsal soft rays (total): 30 - 36; Analspines: 3; Analsoft rays: 25 - 30

Inhabits coral reefs (Ref. 58534).

Adults are found in the sublittoral zone and may enter semi-enclosed sea areas (Ref. 11230). In Guam, it is encountered in large numbers around fish aggregating devices, buoys anchored offshore to attract pelagic game fishes.

fisheries: highly commercial; price category: very high; price reliability: reliable: based on ex-vessel price for this species

分布於中國大陸沿海、台灣、日本、馬里安那群島。台灣各沿岸均有產，是常見之魚種。

一般漁法以底拖網、流刺網、圍網或定置網捕獲。油炸較宜。

體呈紡錘形，微側扁。下頜稍突於上頜。上頜延伸至眼前緣之下方。上下頜各具一列細齒；鋤骨呈矢形齒帶；腭骨及舌面呈細長齒帶。鰓蓋膜後緣平滑。下枝鰓耙數(含瘤狀鰓耙)36-39。背前鱗延伸至瞳孔前緣之上方。側線直走部始於第二背鰭第12-13鰭條之下方，全為稜鱗。第二背鰭與臀鰭同形，前方鰭條呈新月形，後方具一離鰭；胸鰭長，末端僅延伸至第二背鰭起點之下方。體背藍綠色，腹部銀白。背鰭、胸鰭淡色至黃綠色；第二背鰭具黑緣，其前方鰭條末端具白緣；尾鰭黃綠色；餘鰭淡色。

常聚集成群巡游於近海。主要以濾食浮游性無脊椎動物為生。

Known from seamounts and knolls