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Alepes apercna Grant, 1987

Smallmouth scad
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Native range | All suitable habitat | Point map | Year 2100
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Alepes apercna   AquaMaps   Data sources: GBIF OBIS
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Image of Alepes apercna (Smallmouth scad)
Alepes apercna
Picture by Yau, B.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Carangidae (Jacks and pompanos) > Caranginae
Etymology: Alepes: Greek, alepis, -idos = without scales (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; demersal; depth range 5 - 80 m (Ref. 86942).   Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Central Pacific: endemic to northern Australia, from Exmouth Gulf, Western Australia to Wide Bay, Queensland.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 29.5 cm TL male/unsexed; (Ref. 9894)

Short description Morphology | Morphometrics

Dorsal spines (total): 8; Dorsal soft rays (total): 24-26; Anal spines: 3; Anal soft rays: 20 - 22; Vertebrae: 24. This species is distinguished by the following characters: adipose eyelid well developed on posterior half of the eye only; upper jaw narrowly rounded posteriorly, with supramaxilla relatively small without an anterior spine-like extension; gill rakers (including rudiments) 8-10 + 18-21 = 27-30. Colour in life green to bluish green above, silvery to white below, a diffuse dusky blotch on margin of opercle, not bordered above by a white spot; interradial membranes of spinous dorsal fin hyaline to dusky; spinous and second dorsal, anal, and caudal fins dusky yellow, with anterior rays of second dorsal and anal fins often with white tips; caudal-fin lobes often with dark tips; pelvic fins white and pectoral fins hyaline; juveniles with 7 dark bands on body (Ref. 9894).

Biology     Glossary (e.g. epibenthic)

Adults occur in inshore waters of the continental shelf (Ref. 75154). Feeds primarily on small invertebrates, primarily microscopic crustaceans and molluscs. Caught mainly on hook-and-line (Ref. 9894).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Smith-Vaniz, William F. | Collaborators

Smith-Vaniz, W.F., 1999. Carangidae. Jacks and scads (also trevallies, queenfishes, runners, amberjacks, pilotfishes, pampanos, etc.). p. 2659-2756. In K.E. Carpenter and V.H. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 4. Bony fishes part 2 (Mugilidae to Carangidae). Rome, FAO. 2069-2790 p. (Ref. 9894)

IUCN Red List Status (Ref. 120744)

  Least Concern (LC) ; Date assessed: 10 March 2015

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: commercial
FAO(Publication : search) | FishSource |

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 24.5 - 28.7, mean 27.7 (based on 544 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.00644 - 0.02828), b=2.96 (2.79 - 3.13), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.5   ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (24 of 100) .
Price category (Ref. 80766):   Medium.