Rhinobatos punctifer, Spotted guitarfish

Rhinobatos punctifer Compagno & Randall, 1987

Spotted guitarfish
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Rhinobatos punctifer   AquaMaps   Data sources: GBIF OBIS
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Rhinobatos punctifer
Afbeelding van Randall, J.E.

Classificatie / Namen 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 authors: Compagno & Randall.

Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie

marien benthopelagisch; diepte 70 - 150 m (Ref. 100719). Tropical; 29°N - 12°N, 32°E - 66°E (Ref. 114953)

Verspreiding Gebieden | FAO regio's | Ecosystemen | Voorkomen | Verspreidingskaart | Introducties | Faunafri

Western Indian Ocean: Gulf of Aqaba, Gulf of Suez, Red Sea, Muscat (Oman) to Pakistan.

Grootte / Gewicht / Leeftijd

Maturiteit: Lm ?  range ? - ? cm
Max length : 88.9 cm TL mannelijk / geslacht onbekend; (Ref. 123963)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

This species is distinguished by the following set of characters: disc wedge-shaped, its width 29-34% TL, length 1.2-1.3 times width; snout is relatively short, its length 2.2-2.6 times interspiracular distance, 3.6-3.9 times interorbital width in large males (2.9-3.4 in females); orbit diameter 1.2-1.7 times the spiracle length; nostrils are weakly oblique, their length 1.3-1.9 times internarial distance; mouth is narrow, its width 5.4-5.6% TL in large males (5.8-6.2% in females); posterior nasal flaps are broad; two spiracular folds, with outermost fold slightly taller than inner fold; ridges of rostral cartilage almost parallel, converging slightly anteriorly but not constricted medially; anterior cartilage subtriangular to sickle-shaped, usually blunt posteriorly; distance between fifth gill slits 2.8-3.1 times in ventral head length in large males (2.5-2.6 in females); prebranchial sensory pore patch distinct, extending to outer margin of first gill slit; postscapular sensory canal usually distinct, notched, with exposed lateral pores; inconspicuous thorn patches on the supraorbit and scapular region, with a single row along dorsal midline rudimentary; denticles are confined to anterior portion of dorsal fins, posterior two-thirds naked; dorsal fins are relatively tall, height of first 7.6-9.5% TL; pelvic-fin inner margin shorter than its base length; interdorsal distance 2.1-2.7 times first dorsal-fin base; dorsal caudal margin 2.1-2.2 times the preventral margin; upper jaw with ~76 tooth rows; snout angle 60-75°; pectoral radials 69-75; post-synarcual centra 175-184; nasal lamellae ~59, Colouration: dorsal highly variable, plain brownish to greenish brown, faintly or strongly marked with small white spots, ocellated, or with a combination of reticulations and ocelli; the posterior half of dorsal and caudal fins usually dusky or blackish; snout with a pale or dusky tip, no long teardrop-shaped marking (Ref. 123963).
Cross section: flattened.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Demersal inshore on continental shelf to 70 m depth. Feeds on small crustaceans and fishes. Matures at ca. 62 cm TL; born at ca. 25 cm TL (Ref. 114953). Ovoviviparous (Ref. 50449). Produces litters of up to 7 pups (Ref. 114953).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | 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).

Hoofdreferentie Upload uw referenties | Referenties | Coördinator : McEachran, John | Medewerkers

Randall, J.E. and L.J.V. Compagno, 1995. A review of the guitarfishes of the genus Rhinobatos (Rajiformes: Rhinobatidae) from Oman, with description of a new species. Raffles Bull. Zool. 43(2):289-298. (Ref. 11293)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))

  Gevoelig (NT) (A2d+3d); Date assessed: 08 February 2017

CITES


CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

FAO - Publication: search | FishSource |

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Schattingen op basis van modellen

Fylogenetische diversiteitsindex
(Ref. 82804)
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00195 (0.00128 - 0.00298), b=3.13 (3.00 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trofisch niveau
(Ref. 69278)
3.7   ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen
(Ref. 120179)
laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec assumed to be <100).
Kwetsbaarheid van de visserij
(Ref. 59153)
Moderate vulnerability (42 of 100). 🛈