Alepes djedaba (Fabricius, 1775)
Shrimp scad
Shrimp scad,  蝦尾,  蝦池,  Shrimp caranx,  及達副葉鰺,  吉打副葉鰺,  黃尾,  黃尾青磯
Alepes djedaba
photo by Randall, J.E.

Family:  Carangidae (Jacks and pompanos), subfamily: Caranginae
Max. size:  40 cm TL (male/unsexed); max.weight: 603.0 g
Environment:  reef-associated; marine, amphidromous
Distribution:  Indo-Pacific: Red Sea and East Africa (Ref. 12484) to the Hawaiian Islands, north to Japan, south to Australia. Immigrant to the eastern Mediterranean through the Suez Canal, wetward to Malta (Ref. 33971).
Diagnosis:  Dorsal spines (total): 9-9; Dorsal soft rays (total): 22-25; Anal spines: 3-3; Anal soft rays: 18-20. Description: Greyish green above, silvery to white below; distinct black blotch on upper margin of opercle, bordered above by a smaller white spot; caudal fin yellowish, upper lobe dusky to black distally (Ref. 3197). Body with dorsal and ventral profiles almost evenly convex. Adipose eyelid well-developed on posterior half of the eye. LL with 0-3 scales on straight part and 31-36 scales on curved part and 39-51 scutes. (Ref. 90102)
Biology:  Adults form large schools near inshore reefs (Ref. 30573). Feed on shrimps, copepods, decapod larvae and other crustacean larvae and small fish (Ref. 5213, 90102). Eggs are pelagic (Ref. 4233). Often caught by ski-boat anglers in southern Africa (Ref. 12484).
IUCN Red List Status: Least Concern (LC); Date assessed: 06 March 2015 Ref. (130435)
Threat to humans:  harmless
Country info:  Reported from artificial reefs in Hoi Ha Wan (Ref. 119713). The species was observed on 2 to 10 occasions during 400 dive surveys on artificial reefs (Ref. 119494). Sold in wet markets (Ref. 129440). Also Ref. 12075, 125407.


Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.