Abyssal halosaur
Halosauropsis macrochir
- Usual depth882–2,657 m
- Water temperature6–29 °C
- Best monthsJuly and August
- How commonOccasional
About this species
The abyssal halosaur is a species of bottom-dwelling, deep-sea fish in the family Halosauridae that is found in all oceans at depths from 1100 to 3500 meters. It is the only member of its genus.
Text from the Wikipedia article “Abyssal halosaur”, 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: 2 records
- February: 10 records
- March: 17 records
- April: 26 records
- May: 31 records
- June: 25 records
- July: 122 records
- August: 161 records
- September: 27 records
- October: 19 records
- November: 50 records
- December: 47 records
Depth and water temperature
Depth
Mostly recorded at 882–2,657 m · Deepest record: 3,516 m
Water temperature
Recorded in surface water of 6–29 °C
Names and classification
- English
- Abyssal halosaur, abyssal halosaur, Black Halosaur, Halosaur
Names in 3 more languages
- French
- Halosaure rayé, Longnaze rayé
- Japanese
- Kuroobitokagegisu, クロオビトカゲギス
- Simplified Chinese
- 短吻擬海蜥魚
Other scientific names: Aldrovandia macrochir, Halosauropsis macrochira, Halosaurus goodei, Halosaurus macrochir, Halosaurus niger
Similar species
- Gilbert's halosaurid
Aldrovandia affinis
- Baldhead halosaur
Aldrovandia phalacra
- Halosaur
Halosaurus ovenii
- Australian halosaur
Halosaurus pectoralis
- Challenger halosaur
Aldrovandia mediorostris
- rostrate halosaur
Aldrovandia rostrata
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).
- 1,058 open-data records from 1882 to 2022.
- Species data updated November 3, 2026.
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.