Western Pacific Roughy
Hoplostethus japonicus
- Usual depth8–413 m
- Water temperature12–29 °C
- Best monthsFebruary
- How commonRare
About this species
The Western Pacific roughy is a species of slimehead found in the Northwest Pacific along Japan's southern coast in Sagami Bay, Suruga Bay, and the Sea of Japan. It can reach up to 12.6 cm (5.0 in) SL and its depth range is 336–605 m (1,102–1,985 ft).
Text from the Wikipedia article “Western Pacific roughy”, 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: 1 records
- February: 29 records
- March: 4 records
- April: 2 records
- May: 0 records
- June: 0 records
- July: 3 records
- August: 8 records
- September: 1 records
- October: 9 records
- November: 6 records
- December: 2 records
Depth and water temperature
Depth
Mostly recorded at 8–413 m · Deepest record: 1,300 m
Water temperature
Recorded in surface water of 12–29 °C
Names and classification
- English
- Western Pacific Roughy
Names in 2 more languages
- Japanese
- Hiuchidai, ヒウチダイ
- Simplified Chinese
- 日本燧鯛, 日本胸棘鯛, 日本胸燧鯛, 燧鯛
Similar species
- Blackfin Roughy
Hoplostethus melanopterus
- Blackfin Roughy
Hoplostethus melanopus
- Big roughy
Gephyroberyx darwinii
- Philippine Luminous Roughy
Aulotrachichthys latus
- Big Roughy
Gephyroberyx japonicus
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).
- 136 open-data records from 1908 to 2019.
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