Caranx ruber  (Bloch, 1793)

Bar jack
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Caranx ruber   AquaMaps   Data sources: GBIF OBIS
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Image of Caranx ruber (Bar jack)
Caranx ruber
Picture by Randall, J.E.

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: Caranx: French, carangue, the name of a Caribbean fish; 1836 (Ref. 45335).

Environment / Climate / Range Ecology

Marine; reef-associated; oceanodromous (Ref. 51243); depth range 0 - 35 m (Ref. 40849), usually 0 - 22 m (Ref. 9710).   Subtropical; 35°N - 33°N, 100°W - 33°W

Length at first maturity / Size / Weight / Age

Maturity: Lm 31.0, range 26 - ? cm
Max length : 59.0 cm FL male/unsexed; (Ref. 40637); 69.0 cm TL (female); common length : 50.0 cm TL male/unsexed; (Ref. 5217); max. published weight: 8.2 kg (Ref. 3277)

Short description Morphology | Morphometrics

Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 26-30; Anal spines: 2-3; Anal soft rays: 23 - 26

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

Western Atlantic: New Jersey (USA), Bermuda, and Gulf of Mexico to southern Brazil; throughout the Caribbean Sea (Ref. 9626). Most common in the West Indies (Ref. 26938).

Biology     Glossary (e.g. epibenthic)

Common in clear insular areas or in coral reefs off mainland coasts (Ref. 5217). Juveniles frequent areas with algae (e.g. Sargassum) (Ref. 26235). Usually in schools which may be spawning groups; occasionally solitary. Feeds on fishes, shrimps and other invertebrates. Marketed fresh (Ref. 56217). Easily approached (Ref. 9710). Large individuals have caused ciguatera when eaten (Ref. 13442).

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

Berry, F.H. and W.F. Smith-Vaniz, 1978. Carangidae. In W. Fischer (ed.) FAO species identification sheets for fishery purposes. West Atlantic (Fishing Area 31). volume 1. FAO, Rome. [var. pag.]. (Ref. 3277)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Reports of ciguatera poisoning (Ref. 30302)




Human uses

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

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01910 (0.01637 - 0.02229), b=2.95 (2.92 - 2.98), based on LWR estimates for this species (Ref. 93245).
Trophic Level (Ref. 69278):  4.4   ±0.8 se; Based on diet studies.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.14-0.24; tm=3; Fec=800,000).
Vulnerability (Ref. 59153):  High vulnerability (56 of 100) .
Price category (Ref. 80766):   Medium.