Rhinobatos sainsburyi, Goldeneye shovelnose

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Rhinobatos sainsburyi Last, 2004

Goldeneye shovelnose
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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 sainsburyi   AquaMaps   Data sources: GBIF OBIS
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Image of Rhinobatos sainsburyi (Goldeneye shovelnose)
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drawing shows typical species in Rhinobatidae.

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);  sainsburyi: Named for Dr. Keith Sainsbury..
More on author: Last.

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

marien benthopelagisch; diepte 66 - 200 m (Ref. 58070), usually ? - 150 m (Ref. 58070). Tropical; 5°S - 21°S, 114°E - 135°E (Ref. 114953)

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Eastern Indian Ocean and Western Central Pacific: Western Australia to Papua New Guinea

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 59.5 cm TL mannelijk / geslacht onbekend; (Ref. 58070)

Korte beschrijving Morfologie | Morfometrie

This species is distinguished by the following characters: wedge-shaped disc, its dorsal surface scaled but no thorns; snout length 2.5-2.6 times interspiracular distance; orbit moderately large, diameter 1.6-1.9 times spiracle length; nostrils oblique, length 1.4-1.6 times internarial distance; anterior nasal-flaps inserted well into internarial space, but never almost united near ventral midline; posterior nasal flaps broad; ridges of rostral cartilage well-separated dorsally and almost parallel; prebranchial sensory-pore patch narrow, extending to first gill slit; distance between first gill slits 1.3-1.4 times distance between fifth gill slits; distance between fifth gill slits 2.5-2.9 times in ventral head length; postscapular sensory canal long, not grooved, extending more than three-quarters distance to pectoral-fin insertions; moderately tall dorsal-fins; pelvic-fin inner margin distinctly longer than its base in mature males, shorter than base in females; interdorsal distance more than 2.5 times first dorsal-fin base; outer spiracular fold distinctly larger than inner fold; dorsal margin of caudal fin about 2.0-2.2 times preventral margin; 162-171 post-synarcual vertebral centra; about 50 nasal lamellae; dorsal disc plain brownish or with faint dusky blotches or fine dark spots (Ref. 58070).

Biologie     Verklarende woordenlijst (bv. epibenthic)

This species is mostly collected at depths shallower than 150 m. Male individuals mature at 46 cm TL, immature at 37.6 cm TL (Ref. 58070).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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

Last, P.R., 2004. Rhinobatos sainsburyi n. sp. and Aptychotrema timorensis n. sp. -- two new shovelnose rays (Batoidea: Rhinobatidae) from the eastern Indian Ocean. Rec. Aust. Mus. 56(2):201-208. (Ref. 58070)

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

  Niet bedreigd (LC) ; Date assessed: 12 May 2015

CITES


CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 20.5 - 26.8, mean 23.9 °C (based on 45 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00295 (0.00151 - 0.00578), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (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 (Preliminary low fecundity).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (44 of 100).