Viet Nam country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from Quang Ninh-Cat Ba and Spratly islands (Ref. 58534).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/vm.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Nguyen, N.T. and V.Q. Nguyen, 2006
National Database:

Common names from other countries

Aiguille voyeuse, Marao ojón, California needelefish, ... more

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Beloniformes (Needle fishes) > Belonidae (Needlefishes)
Etymology: Tylosurus: Greek, tylos = callus + Greek, oura = tail (Ref. 45335).
More on author: Lacepède.

Issue
The 3 subspecies were upraised at species rank, as provisionally accepted names, , until more works are conducted on T. acus susbepcies to fix their status.

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

marien rifbewoner; diepte 0 - ? m. Subtropical; 43°N - , 98°W - 36°E

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

Western Atlantic: Massachusetts, USA to Brazil. Eastern Atlantic: off Morocco and the Mediterranean (Ref. 5505).

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: L_m 47.3, range 45 - 50 cm
Max length : 153 cm TL mannelijk / geslacht onbekend; (Ref. 26340); common length : 90.0 cm SL mannelijk / geslacht onbekend; (Ref. 3129); max. gepubliceerd gewicht: 3.7 kg (Ref. 4699)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 20 - 27; Anale stekels: 0; Anale zachte stralen: 20 - 24; Wervels: 90 - 95. Diagnosis: body elongate; upper and lower jaws extremely long, forming a stout beak armed with very sharp teeth; gill rakers absent (Ref. 57228, 90102). Nostrils in depression before eyes (nasal pit); pelvic fins abdominal; 20-26 dorsal-fin rays; anal fin short, 9.7-11.7 times in body length; small, black lateral keel on either sides of caudal peduncle; caudal fin deeply forked (Ref. 57228).

Inhabits oceanic and neritic waters (Ref. 26340). Feeds on small fishes. Oviparous (Ref. 205). Eggs may be found attached to objects in the water by tendrils on the egg's surface (Ref. 205). Although sold fresh and salted, its market is limited due to the green-colored flesh (Ref. 5217). Circumglobal in tropical seas and divisible into four subspecies (Ref 90102).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

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

Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet bedreigd (LC) ; Date assessed: 10 July 2012

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Traumatogenic (Ref. 26235)

Gebruik door de mens

Visserij: commercieel; sportvis: ja

FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 20 - 28.5, mean 26.5 (based on 1282 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00093 (0.00049 - 0.00176), b=3.11 (2.95 - 3.27), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trofisch niveau (Ref. 69278): 4.5 ±0.6 se; based on diet studies.

Weerstandsvermogen (Ref. 120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (44 of 100).

Prijsklasse (Ref. 80766): Medium.

Tylosurus acus (Lacepède, 1803)