Smallmouth Scad, Alepes apercna Grant 1987

Other Names: Banded Scad, Roundfin Trevally, Small-mouthed Scad

A Smallmouth Scad, Alepes apercna, in the Gold Coast Seaway, southern Queensland, September 2013. Source: Ian Banks / License: CC by Attribution-NonCommercial

A green to bluish-green scad becoming silvery to white below, with a diffuse dusky blotch not bordered above by a white spot on the margin of the gill cover, dorsal, anal, and caudal fins dusky yellow, often with white tips on the anterior rays of second dorsal and anal fins, dark tips often on the lobes of the caudal fin, and white pelvic fins. Juveniles have seven dark bands along the body.
The supramaxilla is relatively small and lacks an anterior spine-like extension.

Cite this page as:
Bray, D.J. 2019, Alepes apercna in Fishes of Australia, accessed 04 Mar 2024,

Smallmouth Scad, Alepes apercna Grant 1987

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Endemic to northern Australia, from Exmouth Gulf, Western Australia, to Southport, southern Queensland. Elsewhere the species reportedly occurs in Indonesia, Papua New Guinea and New Caledonia. The species is pelagic in inshore waters.


Dorsal fin VII + I,24-26; Anal fin II + I,20-222; Scutes 9-13; Gill rakers (incl rudiments)  7-11 + 21-26; Vertebrae 24. 
Snout bluntly rounded. adipose eyelid well developed on posterior half of the eye only; upper jaw narrowly rounded posteriorly with a single row of teeth; supramaxilla relatively small without an anterior spine-like extension. Straight part of lateral line completely covered by scutes.


Feeds mostly on small invertebrates, including microscopic crustaceans and molluscs


Mostly taken on hook and line.

Species Citation

Alepes apercna Grant 1987, Fishes of Australia: 173, fig. 400 (ex Smith-Vaniz manuscript). Type locality: Australia.


Bray, D.J. 2019


Atlas of Living Australia

Smallmouth Scad, Alepes apercna Grant 1987


Fricke, R., Kulbicki, M. & Wantiez, L. 2011. Checklist of the fishes of New Caledonia, and their distribution in the Southwest Pacific Ocean (Pisces). Stuttgarter Beitr├Ąge zur Naturkunde. Serie A (Biologie) Neue Serie 4: 341-463

Grant, E.M. 1987. Fishes of Australia: A popular and systematic guide to the study of the wealth within our waters. Brisbane : EM Grant Pty Ltd 480 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 (as Alepes sp.)

Iwatsuki, Y., Djawad, M.I., Burhanuddin, A.I., Motomura, H. & Hidaka, K. 2000. A preliminary list of the epipelagic and inshore fishes of Makassar (= Ujung Panang), South Sulawesi, Indonesia, collected mainly from fish markets between 23-27 January 2000, with notes on fishery catch statistics. Bulletin of the Faculty of Agriculture of Miyazaki University 47(no. 1-2): 95-114.

Johnson, J.W. 1999. Annotated checklist of the fishes of Moreton Bay, Queensland, Australia. Memoirs of the Queensland Museum 43(no. 2): 709-762 (as Alepes sp.) See ref at BHL

Johnson, J.W. 2010. Fishes of the Moreton Bay Marine Park and adjacent continental shelf waters, Queensland, Australia. pp. 299-353 in Davie, P.J.F. & Phillips, J.A. Proceedings of the Thirteenth International Marine Biological Workshop, The Marine Fauna and Flora of Moreton Bay. Memoirs of the Queensland Museum 54(3)

Kimura, S. & Matsuura, K. (eds.) 2003. Fishes of Bitung, northern tip of Sulawesi, Indonesia. Ocean Research Institute, Tokyo. i-iv + 1-244

Larson, H.K., Williams, R.S. & Hammer, M.P. 2013. An annotated checklist of the fishes of the Northern Territory, Australia. Zootaxa 3696(1): 1-293

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 apercna (errata version published in 2017). The IUCN Red List of Threatened Species 2016: e.T20255775A115370602. Downloaded on 17 April 2019.

Springer, V.G. & Smith-Vaniz, W.F. 2008. Supraneural and pterygiophore insertion patterns in carangid fishes, with description of a new Eocene carangid tribe, +Paratrachinotini, and a survey of anterior anal-fin pterygiophore insertion patterns in Acanthomorpha. Bulletin of the Biological Society of Washington 16: i + 1-73.

Quick Facts

CAAB Code:37337010

Conservation:IUCN Least Concern

Depth:0-18 m

Habitat:Pelagic inshore

Max Size:30 cm TL

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