Syria country information

Common names: Common guitarfish, Shelf
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/sy.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: McEachran, J.D. and C. Capapé, 1984
National Database:

Common names from other countries

Lengthened shape, Raie-guitare commune, Ražopas, ... more

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

Elasmobranchii (haaien en roggen) (sharks and rays) > Rhinopristiformes (Shovelnose rays) > Rhinobatidae (Guitarfishes)
Etymology: Rhinobatos: Greek, rhinos = nose + Greek, batis, -idos = a ray (Raja sp.) (Ref. 45335).
More on author: Linnaeus.

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

marien; brak water demersaal; diepte 0 - 100 m (Ref. 12951). Subtropical; 44°N - 17°S, 19°W - 36°E (Ref. 114953)

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Eastern Atlantic: southern Bay of Biscay to Angola, including Mediterranean Sea.

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: L_m 87.0, range 79 - ? cm
Max length : 185 cm TL mannelijk / geslacht onbekend; (Ref. 127374); common length : 80.0 cm TL mannelijk / geslacht onbekend; (Ref. 3261); max. gepubliceerd gewicht: 26.6 kg (Ref. 127374)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 0; Anale stekels: 0. Rostral ridges widely separated over their entire length; anterior nasal lobe reaching to level of inner corner of nostril, posterior nasal flap wide; spiracle with two moderately developed folds, the outer one more prominent; thorns relatively small, present around inner margin of orbits, between spiracles, on shoulders, and along midline of disc and tail; Upper surface khaki-brown, underside white (Ref. 6675).

Inhabits sandy and muddy bottoms, from the intertidal zone to about 100 m. Sometimes near rocky reefs (Ref. 12951). Slow swimming over bottom or partially buried. Feeds on benthic invertebrates, mainly crustaceans and small fishes. Males mature at ca. 56 cm TL, females at ca. 64 cm TL; born at ca. 25 cm TL (Ref. 114953). Ovoviviparous, one or two litters per year with 4-10 embryos.

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

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). One or two litters per year, of 4-10 embryos (Ref. 6675)

Hoofdreferentie Upload your references | Referenties | Coördinator : McEachran, John | Medewerkers

Schneider, W., 1990. FAO species identification sheets for fishery purposes. Field guide to the commercial marine resources of the Gulf of Guinea. Prepared and published with the support of the FAO Regional Office for Africa. Rome: FAO. 268 p. (Ref. 2683)

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

Ernstig bedreigd (CR) (A2bd); Date assessed: 04 August 2020

CITES (Ref. 128078)

Appendix II: International trade monitored

CMS (Ref. 116361)

Appendix II: Migratory species conserved through agreements

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: commercieel

FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 19.2 - 28, mean 26.1 (based on 104 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00204 (0.00164 - 0.00255), b=3.08 (3.01 - 3.15), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Trofisch niveau (Ref. 69278): 4.1 ±0.5 se; based on diet studies.

Weerstandsvermogen (Ref. 120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (tmax=5; Fec=4).

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (66 of 100).

Prijsklasse (Ref. 80766): Low.

Rhinobatos rhinobatos (Linnaeus, 1758)