Bathytoshia thetidis

(Ogilby, 1899)


Thorntail stingray
Classification: Elasmobranchii Myliobatiformes Dasyatidae

Reference of the original description
Waite, E.R. (1899)
Scientific results of the trawling expedition of H. M. C. S. "Thetis," off the coast of New South Wales, in February and March, 1898. Australian Museum Memoir, 4(1), 2–132

Types
Bathytoshia thetidis



Description :


Citation: Bathytoshia thetidis (Ogilby, 1899): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 03/2024

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Common names
deu \(T\) Peitschenrochen, deu \(T\) Stechrochen, spa Pastinaca, eng Black skate, eng Black stingaree, eng Black stingray, eng Long-tailed stingaree, eng Longtail black stingray, eng Longtail stingray, eng Thorn stingray, eng Thorntail ray, eng Thorntail stingray, ita Pastinaca, ita Trigono, por Uge cauda-espinhosa

Short Description
A huge, plain, dark stingray with a broadly angular snout and pectoral disc; tail thick-based and tapering to a slender whip, much longer than body, and with no upper caudal finfold but with a long lower one end far in front of tail tip; upper disc and tail of large juveniles and adults roughened by large flat thorns (absent in small individuals); 1 or 2 stings on tail [536]. Dark olive green, grey or black dorsally, white ventrally without markings [578].

Distribution
Indo-West Pacific: Mozambique, South Africa, Reunion [20041], southern Australia, and New Zealand. Source: www.gbif.org

Human uses
fisheries: minor commercial; gamefish: yes; 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]. With young free swimming by 35 cm WD [1388]. Distinct pairing with embrace [17086].

Remarks
shark-references Species-ID=8664;