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Deepwater Dory

Neocyttus rhomboidalis

  • Fish
  • IUCN: Not evaluated
  • Usual depth632–1,006 m
  • Water temperature8–27 °C
  • Best monthsFebruary, July, and December
  • How commonCommon
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About this species

The spiky oreo is an oreo of the genus Neocyttus, found in all southern oceans at depths of between 200 and 1,300 m. Its length is up to 40 cm.

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

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

  • January: 21 records
  • February: 30 records
  • March: 10 records
  • April: 22 records
  • May: 28 records
  • June: 8 records
  • July: 36 records
  • August: 27 records
  • September: 14 records
  • October: 13 records
  • November: 25 records
  • December: 46 records

Depth and water temperature

Depth

Mostly recorded at 632–1,006 m · Deepest record: 3,821.5 m

  • 40–50 m: 1 records
  • 50–60 m: 3 records
  • 60–70 m: 0 records
  • 70–80 m: 1 records
  • 80–90 m: 1 records
  • 90–100 m: 2 records
  • 100–110 m: 2 records
  • 110–120 m: 2 records
  • 120–130 m: 0 records
  • 130–140 m: 1 records
  • 140–150 m: 0 records
  • 150+ m: 5,249 records

Water temperature

Recorded in surface water of 8–27 °C

  • 8–10 °C: 12 records
  • 10–12 °C: 78 records
  • 12–14 °C: 136 records
  • 14–16 °C: 350 records
  • 16–18 °C: 254 records
  • 18–20 °C: 21 records
  • 20–22 °C: 11 records
  • 22–24 °C: 1 records
  • 24–26 °C: 0 records
  • 26–28 °C: 1 records

Names and classification

English
Deepwater Dory, Deepwater Oreo Dory, Oreo Dory, Oxeye Oreo, Spikey Dory, Spikey Oreo, Spikey Oreo Dory, Spiky Dory, Spiky Oreo
Names in 2 more languages
Spanish
Oreo puntiagudo
Japanese
ツノマトウダイ

Other scientific names: Cyttosoma rhomboidalis, Neocyttus rhomboides

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).
  • 5,497 open-data records from 1913 to 2018.
  • Species data updated November 4, 2026.

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