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Dasyatis thetidis  Ogilby, 1899

Thorntail stingray
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Native range | All suitable habitat | Point map | Year 2100
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Dasyatis thetidis   AquaMaps   Data sources: GBIF OBIS
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Image of Dasyatis thetidis (Thorntail stingray)
Dasyatis thetidis
Picture by CSIRO


Australia country information

Common names: Black skate, Black stingaree, Black stingray
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: One of the largest Australian stingrays. Occurs in southern Australia, from from Coffs Harbour, northern New South Wales to Shark Bay, Western Australia; including Lord Howe I. (Ref. 8879) and Tasmania. Reported to enter rivers (Ref. 12951). Also Ref. 5578, 26346, 33390, 75154.
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority: https://www.csiro.au/
Occurrences: Occurrences Point map
Main Ref: Last, P.R. and J.D. Stevens, 1994
National Database:

Classification / Names

Elasmobranchii (sharks and rays) > Myliobatiformes (Stingrays) > Dasyatidae (Stingrays)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Issue
This species is a synonym of Bathytoshia lata (Garman, 1880) according to Last et al., 2016 (Ref. 114953). The species page will be removed.

Main reference

Size / Weight / Age

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

Environment

Marine; demersal; depth range 0 - 440 m (Ref. 26346)

Climate / Range

Subtropical; 10°S - 50°S

Distribution

Indo-West Pacific: Mozambique, South Africa, Reunion (Ref. 33390), southern Australia, and New Zealand.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

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).

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).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Traumatogenic (Ref. 6871)



Human uses

Fisheries: minor commercial; gamefish: yes

More information

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

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Internet sources

BHL | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | ECOTOX | FAO(Publication : search) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5002 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

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