>
Beloniformes (Needle fishes) >
Belonidae (Needlefishes)
Etymology: Tylosurus: Greek, tylos = callus + Greek, oura = tail (Ref. 45335).
Taxonomic Remarks
Considered mostly as a subspecies in the literature. Therefore the upraise at species rank here is considered as a provisionally accepted name, until more works are conducted on T. acus susbepcies to fix their status.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina pelagic-oceanic; djupintervall 0 - ? m. Tropical
Eastern Atlantic: restricted distribution, known from Freetown, Sierra Leone to Moçamedes, Angola.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 140 cm TL hane/ej könsbestämd; (Ref. 26999); common length : 90.0 cm TL hane/ej könsbestämd; (Ref. 26999)
Inhabits offshore waters, but also found in coastal waters (Ref. 2683). Feeds on fish and shrimps (Ref. 28587). Oviparous (Ref. 205). Eggs may be found attached to objects in the water by tendrils on the egg's surface (Ref. 205).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Collette, B.B. and N.V. Parin, 1990. Belonidae. p. 592-597. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 5757)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Reports of ciguatera poisoning (Ref. 30911)
Mänskliga användningsområden
Fiskeri: kommersiell
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00126 (0.00056 - 0.00281), b=3.11 (2.93 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
4.1 ±0.67 se; based on food items. |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate to high vulnerability (53 of 100). 🛈 |
Priskategori (Ref. 80766) |
Medium.
|