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Sphyraena obtusata Cuvier, 1829

Obtuse barracuda
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Sphyraena obtusata
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Qatar country information

Common names: Jad
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/qa.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Carpenter, K.E., F. Krupp, D.A. Jones and U. Zajonz, 1997
National Database:

Common names from other countries

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

> Carangaria/misc (Various families in series Carangaria) > Sphyraenidae (Barracudas)
Etymology: Sphyraena: Greek, sphyraina, -es = the name of a fish (Ref. 45335).
  More on author: Cuvier.

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

Θαλασσινό(ά); Υφάλμυρο Υφαλόφιλο(α); εύρος βάθους 5 - 200 m (Ref. 12260), usually ? - 15 m (Ref. 90102).   Tropical; 37°N - 39°S, 31°E - 171°W

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

Indo-Pacific: Red Sea and East Africa to Samoa, north to the Ryukyu Islands, south to Victoria, Australia. Migrated to eastern Mediterranean from the Red Sea via the Suez Canal (Ref. 5385). The exact range is uncertain because of confusion of this species with Sphyraena flavicauda (Ref. 9768).

Μέγεθος / Βάρος / Age

Maturity: Lm ?  range ? - ? cm
Max length : 55.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 9563); common length : 30.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 9768)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 6; Μαλακές ραχιαίες ακτίνες (συνολικά) : 9; Εδρικές άκανθες: 2; Μαλακές εδρικές ακτίνες: 9. Body elongate and subcylindrical with small cycloid scales; head long and pointed. Mouth large and horizontal, the tip of the lower jaw protruding; intermaxilla non-protractile. Preoperculum rectangular, with wide naked skin flap. First dorsal fin origin slightly before the pectoral fin tip, the first spine equal to the second. Pelvic fins well before the tip of the pectoral, closer to the anal than the tip of the lower jaw. Color is generally green above and silvery below.

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Inhabits bays and estuaries (Ref. 9768). Found in schools in seagrass beds and rocky reefs (Ref. 9563). Feeds mainly on fishes. Exhibits diurnal behavior. Also caught with set nets (Ref. 9768). Sold fresh, frozen or dried salted in markets. From 15-120m in Ref. 012260.

Life cycle and mating behavior Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

Rose, J.H., 1984. Sphyraenidae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean (Fishing Area 51). Vol. 4. FAO, Rome. pag. var. (Ref. 4752)

IUCN Red List Status (Ref. 130435)


CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

αλιεία: Εμπορικό(ά); αλιεία αναψυχής: ναί

Περισσότερες πληροφορίες

Trophic ecology
Τροφικά αντικείμενα
Diet compositions
Food consumptions
Food rations
Θηρευτές
Ecology
Οικολογία
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
Αναπαραγωγή
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Προνύμφες
Δυναμική προνυμφών
Anatomy
Gill areas
Εγκέφαλοι
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
Κολυμβητικός τύπος
Swimming speeds
Visual pigment(s)
Ήχοι ψαριών
Diseases / Parasites
Toxicities (LC50s)
Genetics
Γενετική
Electrophoreses
Heritabilities
Human related
Aquaculture systems
Προφίλ υδατοκαλλιεργειών
Στελέχοι
Ciguatera cases
Stamps, coins, misc.
References
Αναφορές

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Διαδικτυακές πηγές

Estimates based on models

Preferred temperature (Ref. 115969): 24.1 - 29.2, mean 28.4 (based on 4556 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00586 - 0.00855), b=2.91 (2.87 - 2.95), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  4.5   ±0.4 se; based on diet studies.
Ελαστικότητα (Ref. 120179):  Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (K=0.5-0.9).
Prior r = 1.03, 95% CL = 0.68 - 1.54, Based on 1 data-limited stock assessment.
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (25 of 100).
Climate Vulnerability (Ref. 125649):  High to very high vulnerability (71 of 100).
Price category (Ref. 80766):   Medium.