Euthynnus alletteratus, Little tunny : fisheries, gamefish

Euthynnus alletteratus (Rafinesque, 1810)

Little tunny
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Euthynnus alletteratus   AquaMaps   Data sources: GBIF OBIS
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Image of Euthynnus alletteratus (Little tunny)
Euthynnus alletteratus
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Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (Straalvinnigen) > Perciformes (Perch-likes) > Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Etymology: Euthynnus: Greek, eu = good + Greek, thynnos = tunna (Ref. 45335).  More on author: Rafinesque.

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

; marien; brakwater rifbewoner; oceanodroom (Ref. 51243); diepteverspreiding 1 - 150 m (Ref. 28173).   Tropical; 56°N - 30°S, 92°W - 42°E

Verspreiding Landen | FAO regio's | Ecosystems | Voorkomen | Point map | Introducties | Faunafri

Atlantic Ocean: in tropical and subtropical waters, including the Mediterranean, Black Sea, Caribbean Sea and Gulf of Mexico. Highly migratory species, Annex I of the 1982 Convention on the Law of the Sea (Ref. 26139).

Length at first maturity / Size / Gewicht / Leeftijd

Maturity: Lm 41.8  range ? - 60 cm
Max length : 122 cm TL mannelijk/geslacht niet bekend; (Ref. 26340); common length : 80.0 cm TL mannelijk/geslacht niet bekend; (Ref. 5217); Maximaal gepubliceerd gewicht: 16.5 kg (Ref. 40637); Maximaal vermelde leeftijd: 10 jaren (Ref. 28173)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 15 - 16; Dorsale zachte stralen (totaal): 11-13; Anale stekels 0; Anale zachte stralen: 11 - 15; Wervels: 39. Anterior spines of first dorsal fin much higher than the those mid-way, giving the fin a strongly concave outline. Interpelvic process small and bifid. Body naked except for corselet and lateral line. Swim bladder absent. Incipient protuberances on 33rd and 34th vertebrae. Back with broken oblique stripes (Ref. 168). Caudal peduncle with 7-8 finlets. Dark stripes on the back and with 3-7 dark spots between pelvic and pectoral fins (Ref. 35388).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Found in neritic waters close inshore (Ref. 13628). This schooling species is an opportunistic predator which feeds on virtually everything within its range, i.e. crustaceans, fishes (mainly clupeoid), squids, heteropods and tunicates. Eggs and larvae are pelagic (Ref. 6769). Specialized traps (madragues) are used in Tunisia and Morocco. Diving bird flocks may indicate large schools (Ref. 9710). Utilized fresh, dried-salted, smoked, canned and frozen (Ref. 9987). A popular game fish (Ref. 9710).

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Eggs are shed in several batches when the water is warmest.

Voornaamste referentie Upload your references | Referenties | Coördinator : Collette, Bruce B. | Medewerkers

Collette, B.B. and C.E. Nauen, 1983. FAO Species Catalogue. Vol. 2. Scombrids of the world. An annotated and illustrated catalogue of tunas, mackerels, bonitos and related species known to date. Rome: FAO. FAO Fish. Synop. 125(2):137 p. (Ref. 168)

Status op de Rode Lijst van het IUCN (Ref. 120744)

  Niet bedreigd (LC) ; Date assessed: 17 September 2010

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Reports of ciguatera poisoning (Ref. 30303)





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Estimates based on models

Preferred temperature (Ref. 115969): 11.5 - 27.8, mean 23.3 (based on 1094 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00859 - 0.01164), b=3.05 (3.01 - 3.09), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Trophic Level (Ref. 69278):  4.5   ±0.0 se; Based on diet studies.
Weerstandsvermogen (Ref. 120179):  Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (K=0.13-0.22; tm=2; tmax=8; Fec=71,000).
Prior r = 0.57, 95% CL = 0.37 - 0.85, Based on 5 stock assessments.
Kwetsbaarheid (Ref. 59153):  High vulnerability (57 of 100) .
Prijsklasse (Ref. 80766):   Medium.