Grideye fish
Ipnops agassizii
- Usual depth1,280–2,630 m
- Water temperature17–30 °C
- Best monthsMay and November
- How commonRare
About this species
Ipnops is a genus of deep-sea fish in the family Ipnopidae, which also includes the better-known tripodfish. Ipnops are small, slender fish that live close to the ocean floor in the bathyal and abyssal zones. The genus is notable for its unusual eyes.
Text from the Wikipedia article “Ipnops”, 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: 0 records
- February: 1 records
- March: 0 records
- April: 2 records
- May: 5 records
- June: 1 records
- July: 1 records
- August: 1 records
- September: 2 records
- October: 1 records
- November: 3 records
- December: 1 records
Depth and water temperature
Depth
Mostly recorded at 1,280–2,630 m · Deepest record: 2,820 m
Water temperature
Recorded in surface water of 17–30 °C
Names and classification
- English
- Grideye fish
Names in 1 more languages
- Japanese
- Chochinhadaka, チョウチンハダカ
Other scientific names: Ipnoceps pristibrachium, Ipnops agassizi
Similar species
- grideye fish
Ipnops murrayi
TripodfishBathypterois grallator
Tribute SpiderfishBathypterois guentheri
Ventrad spiderfishBathypterois ventralis
Black Deepsea LizardfishBathysauropsis gracilis
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).
- 59 open-data records from 1891 to 1994.
- Species data updated November 3, 2026.
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