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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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Image of Rhinobatos punctifer (Spotted guitarfish)
Rhinobatos punctifer
Picture by Randall, J.E.

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes(Género, Espécies) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (tubarões e raias) (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.

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

marinhas bentopelágico; intervalo de profundidade 70 - 150 m (Ref. 100719). Tropical; 29°N - 12°N, 32°E - 66°E (Ref. 114953)

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

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

Tamanho / Peso / Idade

Maturity: Lm ?  range ? - ? cm
Max length : 88.9 cm TL macho/indeterminado; (Ref. 123963)

Descrição breve Chaves de identificação | Morfologia | Morfometria

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).

Biologia     Glossário (ex. 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).

Life cycle and mating behavior Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

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).

Referência principal Upload your references | Referências | Coordenador : McEachran, John | Colaboradores

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)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

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

CITES


CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

  Harmless





Utilização humana

FAO - Publication: search | FishSource |

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Fontes da internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Consultar FishWatcher | CISTI | Catalog of Fishes: Género, Espécies | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoma, nucleotídeo | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Árvore da vida | Wikipedia: ir para, procurar | World Records Freshwater Fishing | Zoobank | Registo zoológico

Estimates based on models

Preferred temperature (Ref. 123201): 22.9 - 28.5, mean 26.4 °C (based on 364 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00195 (0.00126 - 0.00301), b=3.13 (3.00 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Nível Trófico (Ref. 69278):  3.7   ±0.4 se; based on size and trophs of closest relatives
Resiliência (Ref. 120179):  Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  High vulnerability (56 of 100).