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Dipturus whitleyi  (Iredale, 1938)

Melbourne skate
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Australia country information

Common names: Great skate, Melbourne skate, Rough skate
Occurrence: endemic
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Ranges from Albany in Western Australia to Wollongong in New South Wales, including Tasmania (Ref. 6871). Largest Australian skate (Ref. 6871).
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) > Rajiformes (Skates and rays) > Rajidae (Skates)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 170 cm TL male/unsexed; (Ref. 6871)

Environment

Marine; demersal; depth range 1 - 170 m (Ref. 6871)

Climate / Range

Temperate; 32°S - 44°S

Distribution

Eastern Indian Ocean: endemic to Australia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal surface greyish or greyish brown with irregularly spaced white flecks, ventral surface cream or white, occasionally with greyish areas. Disc quadrangular, broader than long. Snout of moderate length, broadly rounded and knob-like at snout tip. Tail short, very depressed, broad; lateral skin folds prominent. A row of 1-5 thorns on nuchal and shoulder region, orbital and malar thorns absent. Alar thorns retractable. Tail with 1-3 rows of thorns, outer rows located near lateral margin.

Biology     Glossary (e.g. epibenthic)

Most abundant in shallow water near shore (Ref. 6871). Found over soft bottom (Ref. 7300, 75154). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Thorny tail can inflict a minor injury (Ref. 6871).

IUCN Red List Status (Ref. 115185)

  Vulnerable (VU) (A2bd+4bd)

Threat to humans

  Traumatogenic (Ref. 6871)



Human uses

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
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

Download XML

Internet sources

BHL | BOLDSystems | 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 | 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 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
4.0   ±0.6 se; Based on size and trophs of closest relatives

Resilience (Ref. 69278)
Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100)

Vulnerability (Ref. 59153)
Very high vulnerability (80 of 100)
Price category (Ref. 80766)
Medium