Razorbelly Trevally, Alepes kleinii (Bloch 1793)

Other Names: Banded Scad, Herring Trevally, Sharp-bellied Scad

Razorbelly Trevally, Alepes kleinii. Source: Australian National Fish Collection, CSIRO. License: CC By Attribution-NonCommercial

A greyish-green to bluish-grey scad, fading to silvery below, with a large black spot on the upper part of the gill cover and adjacent shoulder region, a black tongue, and a dusky yellow to green upper caudal-fin lobe with a dark margin. The dorsal, anal, pectoral and pelvic fins are white to hyaline, and occasionally the soft dorsal fin is a pale yellowish-green.

Cite this page as:
Bray, D.J. 2019, Alepes kleinii in Fishes of Australia, accessed 21 Apr 2021,

Razorbelly Trevally, Alepes kleinii (Bloch 1793)

More Info


Off Broome, Western Australia, to Yeppoon, Queensland. Elsewhere the species occurs in the Indo-west Pacific.
Pelagic in inshore and coastal waters.


Dorsal fin VIII + I, 21-26; Anal fin ll + I, 19-22; Gill rakers 11 + 27-30 = 38-41.
Head length 22.8-26.4% SL; snout length 5.7-7.0% SL; eye diameter 7.2-8.7% SL; body depth 36.9-40.4% SL. Body deep, oval to elongate oval, strongly compressed; ventral profile strongly convex with ventral margin compressed to sharp edge between pelvic and anal fins. Snout pointed; maxilla extending to below middle of eye; adipose eyelid well developed on posterior half of eye. Jaw teeth fine; villiform teeth on vomer, palatines and on central band on tongue.
Dorsal and anal fins low, not falcate; soft dorsal and anal fins with scaly basal sheaths; pectoral fins subfalcate, extending to junction of straight and curved lateral line segments. 
Straight part of lateral line completely covered by scutes; curved part of lateral line moderately arched, shorter than straight part. 


Feeds mostly on planktonic crustaceans and larval fishes.


Although not targeted, this species is taken in a range of small-scale fisheries throughout its range.

Species Citation

Scomber kleinii Bloch 1793,  Naturgeschichte der ausländischen Fische Vol. 7: 86, pl. 347(fig. 2). Type locality: Malabar coast, India.


Bray, D.J. 2019


Atlas of Living Australia

Razorbelly Trevally, Alepes kleinii (Bloch 1793)


Allen, G.R. 1997. Marine Fishes of Tropical Australia and South-east Asia. Perth : Western Australian Museum 292 pp. 106 pls. 

Allen, G.R. & Swainston, R. 1988. The Marine Fishes of North-Western Australia. A field guide for anglers and divers. Perth, WA : Western Australian Museum vi 201 pp., 70 pls. 

Bloch, M.E. 1793. Naturgeschichte der ausländischen Fische. Berlin : J. Morino Vol. 7 144 pp. pls 324-360. 

Cuvier, G.L. in Cuvier, G.L. & Valenciennes, A. 1833. Histoire Naturelle des Poissons. Paris : Levrault Vol. 9 512 pp. pls 246-279. (as Caranx kalla and C. para)

De Vis, C.W. 1884. New fishes in the Queensland Museum. No. 3. Proceedings of the Linnean Society of New South Wales 1 9(3): 537-547 (as Micropteryx queenslandiae) See ref at BHL

Grant, E.M. 1975. Guide to Fishes. Brisbane : Queensland Government, Co-ordinator General’s Department 640 pp. 

Grant, E.M. 2002. Guide to Fishes. Redcliffe : EM Grant Pty Ltd 880 pp. 

Gunn, J.S. 1990. A revision of selected genera of the family Carangidae (Pisces) from Australian waters. Records of the Australian Museum, Supplement 12: 1-77. DOI 10.3853/j.0812-7387.12.1990.92 Open access (as "Caranx" kleinii)

Ramm, D.C., Pender, P.J., Willing, R.S.  & Buckworth, R.C. 1990. Large-scale spatial patterns of abundance within the assemblage of fish caught by prawn trawlers in Northern Australian waters. Australian Journal of Marine and Freshwater Research 41(1): 79-95 (as Caranx para)

Randall, J.E., Allen, G.R. & Steene, R. 1990. Fishes of the Great Barrier Reef and Coral Sea. Bathurst : Crawford House Press 507 pp. figs. 

Randall, J.E., Allen, G.R. & Steene, R. 1997. Fishes of the Great Barrier Reef and Coral Sea. Bathurst : Crawford House Press 557 pp. figs. 

Russell, B.C. & Houston, W. 1989. Offshore fishes of the Arafura Sea. The Beagle, Records of the Museums and Art Galleries of the Northern Territory 6(1): 69-84

Sainsbury, K.J., Kailola, P.J. & Leyland, G.G. 1984. Continental Shelf Fishes of Northern and North-Western Australia. Canberra : Fisheries Information Service 375 pp. figs & pls. 

Smith-Vaniz, W.F. 1999. Family Carangidae. pp. 2659-2756 in Carpenter, K.E. & Niem, T.H. (eds). The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 4 pp. 2069-2790.

Smith-Vaniz, W.F. & Williams, I. 2016. Alepes kleinii (errata version published in 2017). The IUCN Red List of Threatened Species 2016: e.T20256067A115370739. http://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T20256067A46664024.en. Downloaded on 16 January 2019.

Quick Facts

CAAB Code:37337036

Conservation:IUCN Least Concern

Depth:0-60 m

Habitat:Pelagic, coastal waters

Max Size:16 cm FL

Species Image Gallery

Species Maps

CAAB distribution map