Glaucostegus typus

(BENNETT, 1830)



Classification: Elasmobranchii Rhinopristiformes Glaucostegidae

Reference of the original description
BENNETT, E.T. (1830)
Class Pisces. In: Memoir of the Life and Public Services of Sir Thomas Stamford Raffles. Lady Stamford Raffles: Pp. 686–694

Synonyms / new combinations and misspellings
Glaucostegus cf. typus, Rhinobates batillum, Rhinobatos armatus, Rhinobatos batillium, Rhinobatos batillum, Rhinobatos typus, Rhinobatos typus batillum, Rhinobatos (Glaucostegus) typus, Rhinobatus armatus, Rhinobatus batillum, Rhinobatus typus, Rhinobatus (Rhinobatus) armatus

Types
Glaucostegus typus
Holotype: BMNH: 1852.8.30.17
Rhinobatos armatus
Holotype: BMNH: 1953.8.10.11


Description :


Citation: Glaucostegus typus (BENNETT, 1830): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 02/2019

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Common names
eng Austalian guitarfish, eng Bennet"s shovelnose guitarfish, eng Brown shovelnose ray, eng Common shovelnose ray, eng Giant shovelnose ray, eng Green shovelnose ray, eng Shovelnose ray, eng Shovelnose shark

Distribution
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. Source: www.gbif.org

Human uses
fisheries: minor commercial; aquarium: commercial; price category: low; price reliability: questionable: based on ex-vessel price for species in this genus

Biology
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 [733]. Born at 38-40 cm TL [2539]. Adults found on the continental shelf down to 100 m. Juveniles found inshore around atolls, in mangrove swamps and occasionally enter estuaries . Feeds on shellfish. Reported to live and breed permanently in freshwater.

Size / Weight / Age
270 cm TL (male/unsexed; (Ref. 9909))

Habitat
demersal; freshwater; brackish; marine; depth range 0 - 100 m [1388]

Remarks
shark-references Species-ID=2515;

Parasites (arranged by Jürgen Pollerspöck)
Myxosporea
  • Kudoa hemiscylli GLEESON, BENNETT & ADLARD, 2010 [21484]

Monogenea
Cestoda
Trematoda
Nematoda
Copepoda
  • Caligus furcisetifer REDKAR, RANGNEKAR & MURTI, 1949 [26229]
  • Lepeophtheirus acutus HEEGAARD, 1943 [13845]
  • Tripaphylus australis (KABATA, 1993) [17875]