Trygonorrhina dumerilii, Southern fiddler ray

Trygonorrhina dumerilii (Castelnau 1873)

Southern fiddler ray
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Trygonorrhina dumerilii
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drawing shows typical fish in this Family.

Classification / Names Noms communs | Synonymes | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Élasmobranches (requins et raies) (sharks and rays) > Rhinopristiformes (Shovelnose rays) > Trygonorrhinidae (Banjo rays, Fiddler rays)
Etymology: Trygonorrhina: Greek, trygon = a sting ray + Greek, rhinos = nose (Ref. 45335).

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

; marin démersal; profondeur 5 - 205 m (Ref. 114953).   Subtropical; 31°S - 41°S, 114°E - 148°E (Ref. 114953)

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Eastern Indian Ocean: endemic to southern Australia.

Length at first maturity / Taille / Poids / Âge

Maturity: Lm 100.0  range ? - ? cm
Max length : 146 cm TL mâle / non sexé; (Ref. 114953)

Description synthétique Morphologie | Morphométrie

This large shovelnose ray is distinguished by the following characters: suboval disc, short and broadly rounded snout with nostrils partly covered with a large nasal curtain; ridges of small thorns present on mid-line of disc and shoulders; behind interorbital space is an ornate pattern of dark-edged bands without the distinct triangular or diamond-shaped marking (Ref. 114953).

Biologie     Glossaire (ex. epibenthic)

A benthic species that occurs on continental shelf, mainly found on soft bottoms and seagrasses. Feeds on bottom crustaceans, worms, molluscs and small fishes. Produces litters of 2-5 pups. Maturity size of males at ca. 70 cm TL, females at 89 cm TL; birth size at 21-25 cm TL (Ref. 114953).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Last, P.R. and J.D. Stevens, 2009. Sharks and rays of Australia. CSIRO, Australia. 656 p. (Ref. 109431)

Statut dans la liste rouge de l'IUCN (Ref. 123251)

  Préoccupation mineure (LC) ; Date assessed: 24 March 2015

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

FAO(Publication : search) | FishSource |

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Sources Internet

Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishipedia | Fishtrace | GenBank(génôme, nucléotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia(aller à, chercher) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00294 - 0.01416), b=2.98 (2.78 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Niveau trophique (Ref. 69278):  3.8   ±0.6 se; based on size and trophs of closest relatives
Generation time: 6.9 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
Résilience (Ref. 120179):  Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary K or Fecundity.).
Vulnérabilité (Ref. 59153):  High vulnerability (65 of 100) .