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, becoming 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 to bright yellow to green caudal fin with a black upper lobe. The adipose eyelid is well developed only on posterior half of the eye.

Cite this page as:
Bray, D.J. 2022, Alepes kleinii in Fishes of Australia, accessed 24 May 2024, https://fishesofaustralia.net.au/home/species/4823

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, upper jaw with two rows of small teeth; teeth 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, including on caudal peduncle; 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. 2022


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

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