Decapterus macrosoma  Bleeker, 1851

Shortfin scad
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Decapterus macrosoma   AquaMaps   Data sources: GBIF OBIS
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Image of Decapterus macrosoma (Shortfin scad)
Decapterus macrosoma
Picture by Khalaf, M.A.

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)
Etymology: Decapterus: Greek, deka = ten + Greek, pteron = wing, fin (Ref. 45335).   More on author: Bleeker.

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 20 - 214 m (Ref. 58302), usually 30 - 70 m (Ref. 37816).   Tropical; 32°N - 20°S

Length at first maturity / Size / Weight / Age

Maturity: Lm 15.5  range ? - ? cm
Max length : 35.0 cm TL male/unsexed; (Ref. 3197); common length : 25.0 cm TL male/unsexed; (Ref. 9137)

Short description Morphology | Morphometrics

Dorsal spines (total): 9; Dorsal soft rays (total): 338; Anal spines: 3; Anal soft rays: 27 - 30. Body slender, elongate, and somewhat circular in cross section; posterior end of upper jaw concave dorsally and with a rounded protrusion ventrally; edge of shoulder girdle (cleithrum) with two small papillae, the lower one larger; dorsal and anal fin each followed by a separate finlet (Ref. 55763). Color metallic blue dorsally, silvery ventrally; fins hyaline; opercle with a small black spot (Ref. 2334). 24-40 scutes. Very slender compared to similar species (Ref. 48635).

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

Indo-West Pacific: East Africa (no verified records from the Red Sea) to Malaysia, Indonesia and the Arafura Sea. Eastern Pacific: Gulf of California to Peru, including the Galapagos Islands (Ref. 9283).

Biology     Glossary (e.g. epibenthic)

A predominately pelagic schooling species (Ref. 9283, 48635, 58302). Occasionally seen in small groups along reef slopes adjacent to deep water in pursuit of zooplankton (Ref. 48635). Feeds mainly on small invertebrates (Ref. 5213). Marketed fresh and salted or dried (Ref. 9283).

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

Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989. Pisces. Petromyzontidae to Carangidae. Zoological Catalogue of Australia, Vol. 7. Australian Government Publishing Service, Canberra, 665 p.

IUCN Red List Status (Ref. 90363)

  Not Evaluated 

Threat to humans

  Harmless




Human uses

Fisheries: commercial; bait: usually
FAO(fisheries: production; publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5005   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01132 (-0.03578 - 0.05843), b=2.94 (2.92 - 2.96), based on LWR estimates for this species (Ref. 93245).
Trophic Level (Ref. 69278):  3.4   ±0.45 se; Based on food items.
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (K=0.50-1.60).
Vulnerability (Ref. 59153):  Low vulnerability (24 of 100) .
Price category (Ref. 80766):   Medium.