Dasyatis thetidis  Ogilby, 1899

Thorntail stingray
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Image of Dasyatis thetidis (Thorntail stingray)
Dasyatis thetidis
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Myliobatiformes (Stingrays) > Dasyatidae (Stingrays)
Etymology: Dasyatis: Greek, dasys = rough, dense (Ref. 45335).   More on author: Ogilby.

Environment / Climate / Range Ecology

Marine; demersal; depth range 0 - 440 m (Ref. 26346).   Subtropical; 10°S - 50°S

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 400 cm TL male/unsexed; (Ref. 5578); max. published weight: 214.0 kg (Ref. 3263)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 0. 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 (Ref. 5578). Dark olive green, grey or black dorsally, white ventrally without markings (Ref. 26346).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions | Faunafri

Indo-West Pacific: Mozambique, South Africa, Reunion (Ref. 33390), southern Australia, and New Zealand.

Biology     Glossary (e.g. epibenthic)

Common inshore (Ref. 6871) but reported to 440 m depth (Ref. 26346). Found in estuaries, lagoons, and around reefs (Ref. 12951). Reported to enter freshwater in Australia (Ref. 12951). Found on soft bottoms (Ref. 5578). Feeds on crabs, mantis shrimps, bivalves, polychaetes and conger eels (Ref. 5578). Ovoviviparous (Ref. 50449).

Main reference Upload your references | References | Coordinator : McEachran, John | Collaborators

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

IUCN Red List Status (Ref. 90363)

Threat to humans

  Traumatogenic (Ref. 6871)




Human uses

Fisheries: minor commercial; gamefish: yes
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278):  3.5   ±0.53 se; Based on food items.
Resilience (Ref. 69278):  Very Low, minimum population doubling time more than 14 years ().
Vulnerability (Ref. 59153):  Very high vulnerability (83 of 100) .
Price category (Ref. 80766):   Low.