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Glaucostegus typus  (Anonymous [Bennett], 1830)

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

Élasmobranches (requins et raies) (sharks and rays) > Rhinopristiformes (Shovelnose rays) > Rhinobatidae (Guitarfishes) > Rhinobatinae

Environnement / Climat / Gamme Écologie

; marin; eau douce; saumâtre démersal; profondeur 0 - 100 m (Ref. 6871).   Tropical, preferred ?; 24°N - 32°S, 91°E - 156°E

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

Indo-West Pacific: Thailand to New Guinea and the Solomon Islands, south to Australia. Records from the south coast of India, Sri Lanka, Bangladesh, and Myanmar need confirmation.

Length at first maturity / Taille / Poids / Âge

Maturity: Lm ?, range 150 - 180 cm
Max length : 270 cm TL mâle / non sexé; (Ref. 9909)

Biologie     Glossaire (ex. epibenthic)

Occurs inshore and offshore, from the intertidal to offshore continental and insular shelves (Ref. 9909). Adults are found offshore waters while young individuals are found inshore on sand flats, around atolls, and in mangrove swamps (Ref. 6871). Feeds on shellfish (Ref. 9909). Ovoviviparous (Ref. 50449). Reported to live and breed permanently in fresh water (Ref. 6871). Probably the major commercial guitarfish in the Western Central Pacific (Ref. 9909). Caught regularly by demersal tangle net fisheries operating throughout the area. Utilized for its meat, fins (both very high value), skin and cartilage (Ref.58048). Reported to attain a maximum length of 4 m (Ref. 58784).

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

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). Born at 38-40 cm TL (Ref.58048).

Référence principale Upload your references | Références | Coordinateur : McEachran, John | Collaborateurs

Last, P.R. and J.D. Stevens, 1994. Sharks and rays of Australia. CSIRO, Australia. 513 p. (Ref. 6871)

Statut dans la liste rouge de l'IUCN (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Menace pour l'homme

  Harmless (Ref. 12951)




Utilisations par l'homme

Pêcheries: intérêt commercial mineur; Aquarium: Commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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