Platyrhina hyugaensis, Hyuga fanray

Platyrhina hyugaensis Iwatsuki, Miyamoto & Nakaya, 2011

Hyuga fanray
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Image of Platyrhina hyugaensis (Hyuga fanray)
Platyrhina hyugaensis
Female Photo de Iwatsuki, Y.

Classification / Noms Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

Élasmobranches (requins et raies) (sharks and rays) > Torpediniformes (Electric rays) > Platyrhinidae (Fanrays)
Etymology: Platyrhina: Greek, platys = flat + Greek, rhinos = nose. It is the same voice used for the Mammalian division made in Primates (Ref. 45335)hyugaensis: Named for the belief that it is endemic and common to the Hyuga Nada Sea.

Environnement : milieu / zone climatique / profondeur / gamme de distribution Écologie

marin pelagic-neritic; profondeur 1 - 50 m (Ref. 86259). Temperate; 30°N - 34°N, 127°E - 140°E (Ref. 114953)

Distribution Territoires | Zones FAO | Écosystèmes | Occurrences | Carte par point | Introductions | Faunafri

North-West Pacific: endemic to southern Japan.

Taille / Poids / Âge

Maturité: Lm ?  range ? - ? cm
Max length : 43.1 cm TL (female)

Description synthétique Clés d'identification | Morphologie | Morphométrie

This species is distinguished from its congeners by the following set of characters: a row of thorns (strongly hooked) on mid-dorsum of tail; a pair of thorns on anterior part of scapular region (apparent to touch in smallest specimen; 161 mm TL); thorns on orbital, nape and scapular regions not encircled by light yellow or white pigment; dorsal surface covered with minute dermal denticles of uniform size and shape, no obvious larger dermal denticles (smooth to touch) (Ref. 86259).
Body shape (shape guide): other; Cross section: flattened.

Biologie     Glossaire (ex. epibenthic)

A benthic ray species that is narrow-ranging (Ref. 114953). According to local divers in Miyazaki, this species often occurs on very shallow sandy bottoms, at depths as shallow as ca. 1 m, in the summer season off the Nichinan Coast, Miyazaki. It is frequently captured by set net within a depth of ca. 50 m from early spring (March) to autumn (November). It was observed by a local fisherman and a fish merchant (pers.comm.), that this species was not included in almost daily set net catches (depth ca. 8-50 m) from November to March in 2007-2008 in northern Miyazaki (Kadokawa Bay) and southern Miyazaki (Meitsu, Nichinan Coast) which indicate that the species avoids lower sea temperatures in the winter season (Ref. 86259). Males mature from ca. 20 cm TL (Ref. 114953).

Cycle de vie et comportement reproducteur Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Téléchargez vos références | Références | Coordinateur | Collaborateurs

Iwatsuki, Y., K. Miyamoto, K. Nakaya and J. Zhang, 2011. A review of the genus Platyrhina (Chondrichthys: Platyrhinidae) from the northwestern Pacific, with descriptions of two new species. Zootaxa 2738:26-40. (Ref. 86259)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))

  Vulnérable (VU) (A2d); Date assessed: 27 September 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

FAO - Publication: search | FishSource |

Plus d'informations

Écologie trophique
Aliments (proies)
Composition du régime alimentaire
Consommation alimentaire
Rations alimentaires
Prédateurs
Écologie
Écologie
Dynamique des populations
Paramètres de croissance
Âges / tailles maximales
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Rel. longueur-longueur.
Fréquences de longueurs
Conversion de masse
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Abondance
Cycle de vie
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Maturité
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Dynamique des populations larvaires
Distribution
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génôme
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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimations basées sur des modèles

Indice de diversité phylogénétique
(Réf. 82804)
PD50 = 0.5938 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Niveau trophique
(Réf. 69278)
3.4   ±0.4 se; based on size and trophs of closest relatives
Vulnérabilité de la pêche
(Ref. 59153)
Low to moderate vulnerability (33 of 100). 🛈