Little Opalfish
Hemerocoetes pauciradiatus
- Usual depth41–219 m
- Water temperature11–18 °C
- Best monthsNovember
- How commonRare
About this species
Hemerocoetes pauciradiatus is a ray-finned fish of the genus Hemerocoetes, found only around New Zealand at depths of between 20 and 200 metres. Their length is between 10 and 25 centimetres.
Text from the Wikipedia article “Hemerocoetes pauciradiatus”, 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: 0 records
- March: 1 records
- April: 1 records
- May: 1 records
- June: 0 records
- July: 0 records
- August: 1 records
- September: 0 records
- October: 1 records
- November: 2 records
- December: 0 records
Depth and water temperature
Depth
Mostly recorded at 41–219 m · Deepest record: 238 m
Water temperature
Recorded in surface water of 11–18 °C
Names and classification
- English
- Little Opalfish
Similar species
opal fishHemerocoetes monopterygius
- Yellowspotted Duckbill
Acanthaphritis ozawai
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).
- 33 open-data records from 1911 to 2016.
- Species data updated November 3, 2026.
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