Thickspine roughy
Hoplostethus crassispinus
- Usual depth210–794 m
- Water temperature19–27 °C
- Best monthsAugust
- How commonRare
About this species
Hoplostethus crassispinus is a species of slimehead found in the Pacific Ocean. It can be found in Hawaii and the Kyushu–Palau Ridge and possibly off the coast of Vietnam. It lives at depths between 280 and 600 m and can reach sizes of up to 25.4 cm (10.0 in).
Text from the Wikipedia article “Hoplostethus crassispinus”, 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: 0 records
- February: 0 records
- March: 0 records
- April: 0 records
- May: 0 records
- June: 1 records
- July: 1 records
- August: 15 records
- September: 4 records
- October: 3 records
- November: 0 records
- December: 0 records
Depth and water temperature
Depth
Mostly recorded at 210–794 m · Deepest record: 843.7 m
Water temperature
Recorded in surface water of 19–27 °C
Names and classification
- English
- Thickspine roughy, Red Roughy
Names in 2 more languages
- Japanese
- マルヒウチダイ
- Simplified Chinese
- 燧鯛, 重胸棘鯛, 重胸燧鯛
Similar species
Deep sea perchHoplostethus atlanticus
- Rough-fish
Hoplostethus mediterraneus
Giant Saw-bellyHoplostethus gigas
- Western Pacific Roughy
Hoplostethus japonicus
- Mediterranean Saw-belly
Hoplostethus latus
- New Zealand Giant Sawbelly
Hoplostethus melanopeza
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).
- 179 open-data records from 1906 to 2022.
- Species data updated November 3, 2026.
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