Hemitrygon fluviorum

(OGILBY, 1908)


Estuary stingray
Classification: Elasmobranchii Myliobatiformes Dasyatidae

Reference of the original description
OGILBY, J.D. (1908)
On new genera and species of fishes. Proceedings of the Royal Society of Queensland, 21: 1–26

Image of the original description
No image in first description.

Synonyms / new combinations and misspellings
Amphotistius fluviorum, Dasyatis cf. fluviorum, Dasyatis fluviorum, Dasybatus fluviorum, Toshia fluviorum

Types
Hemitrygon fluviorum

Dasyatis fluviorum
Holotype: QM: I.235 (?)


Description :


Citation: Hemitrygon fluviorum (OGILBY, 1908): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 05/2017

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Hemitrygon fluviorum (OGILBY, 1908) © FAO, www.fish-base.org
Common names
eng Brown stingray, eng Estuary stingaree, eng Estuary stingray, eng River stingray

Distribution
Western Pacific: New Guinea and from the Northern Territory to northern New South Wales in Australia. Source: www.gbif.org

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

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]. Distinct pairing with embrace [17086]. Found in mangrove swamps and estuaries. Feeds on shellfish.

Size / Weight / Age
130 cm TL (male/unsexed; (Ref. 9840)); max. published weight: 6,120 g (Ref. 40637)

Habitat
benthopelagic; brackish; marine

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

Monogenea
  • Empruthotrema dasyatidis WHITTINGTON & KEARN, 1992 [15253] [17002]
  • Heterocotyle chinensis TIMOFEEVA, 1983 [9644]
  • Monocotyle sp. [17001]
  • Neoentobdella cribbi WHITTINGTON & KEARN, 2009 [9458]

Cestoda
  • Callitetrarhynchus gracilis (RUDOLPHI, 1819) PINTNER, 1931 [16112]
  • Kotorella pronosoma (STOSSICH, 1901) [17845] [16112]
  • Parachristianella monomegacantha KRUSE, 1959 [16252] [16112]
  • Polypocephalus moretonensis BUTLER, 1987 [13130]
  • Prochristianella butlerae BEVERIDGE, 1990 [16252] [16112] [17404]
  • Prochristianella mooreae BEVERIDGE, 1990 [16252] [16112]
  • Shirleyrhynchus aetobatidis (SHIPLEY & HORNELL, 1906) BEVERIDGE & CAMPBELL, 1988 [16112]
  • Shirleyrhynchus butlerae BEVERIDGE & CAMPBELL, 1988 [17838] [24246]