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Rhinobatos formosensis Norman, 1926

Taiwan 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 formosensis   AquaMaps   Data sources: GBIF OBIS
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Image of Rhinobatos formosensis (Taiwan guitarfish)
Rhinobatos formosensis
Picture by Krajangdara, T.

China country information

Common names: 台湾犁头鳐, 台湾琵琶鲼, 台灣犁頭鰩
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from off Taiwan (Ref. 9909).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ch.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Chinese Academy of Fishery Science (CAFS), 2007
National Database:

Common names from other countries

Taiwani logardrai, 台湾犁头鳐, Pari-kemejan Formosa, ... 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: Norman.

Issue
Considered as a junior synonym of Rhinobatos schlegelii in Last et al. 2016:459 (Ref. 108568). This species page will be removed.

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

marien demersaal; diepte 0 - 119 m (Ref. 9909).   Subtropical

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Western Pacific: off Taiwan and from the Philippines; about 2500 kilometers away, 2 specimens were caught in Thailand.

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: Lm ?, range 56 - ? cm
Max length : 73.0 cm TL mannelijk / geslacht onbekend; (Ref. 9909); 63.0 cm TL (female)

Biologie     Verklarende woordenlijst (bv. epibenthic)

Found inshore and offshore (Ref. 9909). Ovoviviparous (Ref. 50449). Biology little known (Ref. 9909). Utilized where it occurs, but details lacking (Ref. 9909).

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

Compagno, L.J.V. and P.R. Last, 1999. Rhinobatidae. Guitarfishes. p. 1423-1430. In K.E. Carpenter and V.H. Niem (eds.) FAO identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Rome, FAO. (Ref. 9909)

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

  Niet geëvalueerd 

CITES (Ref. 128078)

Not Evaluated

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. 115969): 22.8 - 27.9, mean 25.3 (based on 130 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 (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (49 of 100).