Skip to content

DiscoverSpeciesOther invertebrates

Phormosoma bursarium

  • Other invertebrates
  • IUCN: Not evaluated
  • Usual depth432–979 m
  • Water temperature8–30 °C
  • Best monthsJanuary, April, and October
  • How commonOccasional
All species

About this species

Phormosoma bursarium is a species of sea urchin in the order Echinothurioida, which is found at depths between 170 metre to 2340 metre.

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

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

  • January: 62 records
  • February: 17 records
  • March: 36 records
  • April: 58 records
  • May: 33 records
  • June: 41 records
  • July: 30 records
  • August: 48 records
  • September: 36 records
  • October: 63 records
  • November: 34 records
  • December: 26 records

Depth and water temperature

Depth

Mostly recorded at 432–979 m · Deepest record: 2,308 m

  • 0–10 m: 1 records
  • 10–20 m: 2 records
  • 20–30 m: 0 records
  • 30–40 m: 0 records
  • 40–50 m: 0 records
  • 50–60 m: 0 records
  • 60–70 m: 0 records
  • 70–80 m: 0 records
  • 80–90 m: 0 records
  • 90–100 m: 0 records
  • 100–110 m: 0 records
  • 110+ m: 503 records

Water temperature

Recorded in surface water of 8–30 °C

  • 8–10 °C: 40 records
  • 10–12 °C: 49 records
  • 12–14 °C: 116 records
  • 14–16 °C: 88 records
  • 16–18 °C: 93 records
  • 18–20 °C: 30 records
  • 20–22 °C: 22 records
  • 22–24 °C: 14 records
  • 24–26 °C: 64 records
  • 26–28 °C: 5 records
  • 28–30 °C: 98 records

Names and classification

Names in 1 more languages
Japanese
ナマハゲフクロウニ

Other scientific names: Phormosoma indicum

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).
  • 632 open-data records from 1881 to 2025.

Log what you see on your next dive

The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.

Join the waitlist

DiveHive uses necessary cookies to work. With your permission we also use analytics to see which pages help. Analytics is off until you say yes, and we never record what you type.

  • NecessaryAlways on: your choice, security.Always on
  • AnalyticsOff unless you accept.Off
Privacy policy