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Species Fact Sheets maruadsi (Temminck & Schlegel, 1843)

Decapterus maruadsi: (click for more) Decapterus maruadsi: (click for more)

Synonyms Caranx maruadsi Temminck & Schlegel, 1843: 108 (original description). Caranx scombrinus Valenciennes, 1846 Decapterus maraudsi , (of authors).

FAO Names En - Japanese scad, Fr - Comète japonaise, Sp - Macarela japonesa. 3Alpha Code: RSA Taxonomic Code: 1702304307

Diagnostic Features 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 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 ; pupil black.

Geographical Distribution

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

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

Size Maximum 35 cm; common 25 cm.

Interest to Fisheries 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.

FAO Fisheries and Aquaculture Department Global Capture Production for species (tonnes) Source: FAO FishStat 150k

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Decapterus maruadsi

Local Names English : Amberstripe scad , Deep-bodied round scad , Round scad , Stonebrass , Whitetip scad . Malay/Indonesian : Basung , Curut , Sadin , Selar , Selayang , Selayang mata besar .

Remarks Decapterus maruadsi (Temminck & Schlegel, 1843) from Japan waters, not as same and not is as erroneus orthography of specific name of Decapterus muroadsi (Temminck & Schlegel, 1844) from St. Helena Island (South-eastern Atlantic) reported by Smith-Vaniz et al., (1990).

Bibliography Chan, W. & F. Talbot. - 1974 . In: W. Fischer and P.J.P. Whitehead (eds.). FAO species identification sheets for fishery purposes. Eastern Indian Ocean (fishing area 57) and Western Central Pacific (fishing area 71). Vol. 1: pag. var. Fishbase: ICLARM . Kyushin, K., K. Amaoka, K. Nakaya & H. Ida. - 1977Fishes of Indian Ocean. Japan Marine Fishery Resource Research Center: 392 pp. Smith-Vaniz, W. F., J.C. Quéro & M. Desoutter. - 1990 Carangidae. In: J.C. Quero et al., (eds.) Check-list of the of the eastern tropical Atlantic (CLOFETA). Unesco, Portugal, vol. II: 729-755.

FAO Fisheries and Aquaculture Department