Blacktailed spurdog
type: Thing
alternate name: Squalus melanurus
description: species of fish
additional property: PropertyValue
  property ID: P18
  value: Squalus melanurus JNC2719 Body.JPG
additional property: PropertyValue
  property ID: P31
  value: taxon
additional property: PropertyValue
  property ID: P105
  value: species
additional property: PropertyValue
  property ID: P141
  value: Data Deficient
additional property: PropertyValue
  property ID: P171
  value: Squalus
additional property: PropertyValue
  property ID: P181
  value: Squalus melanurus distmap.png
additional property: PropertyValue
  property ID: P225
  value: Squalus melanurus
additional property: PropertyValue
  property ID: P373
  value: Squalus melanurus
additional property: PropertyValue
  property ID: P627
  value: 41860
additional property: PropertyValue
  property ID: P646
  value: /m/025vc_8
additional property: PropertyValue
  property ID: P815
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additional property: PropertyValue
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  value: 46560211
additional property: PropertyValue
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additional property: PropertyValue
  property ID: P850
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additional property: PropertyValue
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  value: 712
additional property: PropertyValue
  property ID: P3151
  value: 113039
additional property: PropertyValue
  property ID: P3186
  value: 425704
additional property: PropertyValue
  property ID: P4024
  value: Squalus_melanurus
additional property: PropertyValue
  property ID: P5055
  value: 10149555
additional property: PropertyValue
  property ID: P6754
  value: 271662
additional property: PropertyValue
  property ID: P6864
  value: 204351
additional property: PropertyValue
  property ID: P9157
  value: 3595267
additional property: PropertyValue
  property ID: P10585
  value: 6ZFMT
confidence:
  popularity graph score:
    score: 0.016
    score pct: 2
    tier: established
    components:
      sitelinks: 16
      sitelinks norm: 0.038
      unique citations: 18
      unique citations norm: 0.007
      monthly pageviews: 16
      monthly pageviews norm: 0.0
  sitelinks: 16
  unique citations: 18
  monthly pageviews: 16
  yearly pageviews: 26
  pageview trend:
    m: 2026-07
    v: 16
  pageview trend:
    m: 2026-06
    v: 1
  pageview trend:
    m: 2026-05
    v: 2
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-04
    v: 5
  pageview trend:
    m: 2026-04
    v: 1
  popularity:
    sitelinks: 16
    max: 423
    pct: 3.8
  tier: established
claims:
  P18:
    value: Squalus melanurus JNC2719 Body.JPG
    source count: 0
    confidence: 0.0
  P31:
    value: Q16521
    source count: 0
    confidence: 0.0
    value label: taxon
  P105:
    value: Q7432
    source count: 1
    confidence: 0.2
    value label: species
  P141:
    value: Q3245245
    source count: 1
    confidence: 0.2
    value label: Data Deficient
  P171:
    value: Q737224
    source count: 1
    confidence: 0.2
    value label: Squalus
  P181:
    value: Squalus melanurus distmap.png
    source count: 1
    confidence: 0.2
  P225:
    value: Squalus melanurus
    source count: 1
    confidence: 0.2
  P373:
    value: Squalus melanurus
    source count: 0
    confidence: 0.0
  P627:
    value: 41860
    source count: 1
    confidence: 0.2
  P646:
    value: /m/025vc_8
    source count: 1
    confidence: 0.2
  P815:
    value: 160630
    source count: 1
    confidence: 0.2
  P830:
    value: 46560211
    source count: 0
    confidence: 0.0
  P846:
    value: 5216353
    source count: 1
    confidence: 0.2
  P850:
    value: 271662
    source count: 1
    confidence: 0.2
  P938:
    value: 712
    source count: 1
    confidence: 0.2
  P1813:
    value:
      lang: mul
      text: S. melanurus
    source count: 1
    confidence: 0.2
  P1843:
    value:
      lang: en
      text: Blacktailed Spurdog
    source count: 1
    confidence: 0.2
  P3151:
    value: 113039
    source count: 0
    confidence: 0.0
  P3186:
    value: 425704
    source count: 8
    confidence: 1.0
  P4024:
    value: Squalus_melanurus
    source count: 1
    confidence: 0.2
  P5055:
    value: 10149555
    source count: 1
    confidence: 0.2

value: 271662
source count: 1
confidence: 0.2

value: 204351
source count: 0
confidence: 0.0

value: 3595267
source count: 1
confidence: 0.2

value: 6ZFMT
source count: 1
confidence: 0.2

source: Integrated Taxonomic Information System
stated in qid: Q82575
pub year: 1996
retrieved: 2013-09-19

source: Freebase Data Dumps
stated in qid: Q15241312
pub year: 2013

source: The IUCN Red List of Threatened Species 2022.2
stated in qid: Q115962546
retrieved: 2023-01-02

source: IUCN Red List
stated in qid: Q32059
retrieved: 2016-07-11

source: Global Biodiversity Information Facility
stated in qid: Q1531570
retrieved: 2015-05-24

source: World Register of Marine Species
stated in qid: Q604063
retrieved: 2014-11-14

source: FishBase
stated in qid: Q837101
retrieved: 2015-05-21

source: TAXREF v9.0
stated in qid: Q26936509
retrieved: 2016-09-24

source: TAXREF v10.0
stated in qid: Q45029859
retrieved: 2017-12-26

source: TAXREF v11.0
stated in qid: Q45029998
retrieved: 2018-01-02

source: TAXREF v12.0
stated in qid: Q58035056
retrieved: 2018-11-02

source: TAXREF v13.0
stated in qid: Q79844869
retrieved: 2019-12-31

source: TAXREF v14.0
stated in qid: Q104290728
retrieved: 2020-12-23

source: TAXREF v15.0
stated in qid: Q110438362
retrieved: 2022-01-20

source: TAXREF v16.0
stated in qid: Q116008531
retrieved: 2023-01-06

source: Interim Register of Marine and Nonmarine Genera
stated in qid: Q51885189
retrieved: 2018-05-28

source: Open Tree of Life reference taxonomy version 3.6
stated in qid: Q124708476
retrieved: 2024-03-13

source: Ocean Biodiversity Information System
stated in qid: Q2013373

wikidata id: Q994636
domain: taxon
level: standard
html url: https://4ort.xyz/entity/blacktailed-spurdog
markdown url: https://4ort.xyz/entity/blacktailed-spurdog.md
facts url summary: https://4ort.xyz/entity/blacktailed-spurdog/facts.json
facts url standard: https://4ort.xyz/entity/blacktailed-spurdog/facts.json
facts url full: https://4ort.xyz/entity/blacktailed-spurdog/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-23T17:01:43.200632Z
entity updated at: 2026-05-03T18:28:36.114423+00:00Z
entity created at: 2026-04-10T23:28:34.258507+00:00Z