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Bonyskull Toadfish

Cottunculus nudus

  • Fish
  • IUCN: Not evaluated
  • Usual depth760–1,123 m
  • Water temperature8–17 °C
  • How commonRare
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About this species

Cottunculus nudus, the bonyskull toadfish, is a species of fish in the blobfish family Psychrolutidae. It is found in the south-western Pacific Ocean off New Zealand at depths down to 1,123 m (3,684 ft).

Text from the Wikipedia article “Cottunculus nudus”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Depth and water temperature

Depth

Mostly recorded at 760–1,123 m · Deepest record: 1,270 m

  • 410–420 m: 1 records
  • 420–430 m: 0 records
  • 430–440 m: 0 records
  • 440–450 m: 0 records
  • 450–460 m: 1 records
  • 460–470 m: 1 records
  • 470–480 m: 0 records
  • 480–490 m: 0 records
  • 490–500 m: 0 records
  • 500–510 m: 0 records
  • 510–520 m: 0 records
  • 520+ m: 150 records

Water temperature

Recorded in surface water of 8–17 °C

  • 6–8 °C: 1 records
  • 8–10 °C: 7 records
  • 10–12 °C: 116 records
  • 12–14 °C: 12 records
  • 14–16 °C: 12 records
  • 16–18 °C: 5 records

Names and classification

English
Bonyskull Toadfish

Similar species

Sources and credits

Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).

  • Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
  • Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
  • Conservation status as published by GBIF (IUCN Red List).
  • 155 open-data records from 1982 to 2018.
  • Species data updated November 1, 2026.

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