Manyray Loosejaw
Aristostomias polydactylus
- Usual depth104–2,139 m
- Water temperature15–30 °C
- Best monthsFebruary, March, and June
- How commonRare
About this species
Aristostomias is a genus of barbeled dragonfishes native to the ocean depths in the Pacific, Atlantic, and Indian oceans. They are noted for their elongated bodies, large heads, and distinct loosejaw. Aristostomias feed on midwater fishes and follow daily vertical migration patterns. They are known for their red bioluminescence and visual systems built to perceive red light.
Text from the Wikipedia article “Aristostomias”, 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: 3 records
- February: 5 records
- March: 5 records
- April: 4 records
- May: 3 records
- June: 5 records
- July: 1 records
- August: 2 records
- September: 2 records
- October: 5 records
- November: 2 records
- December: 5 records
Depth and water temperature
Depth
Mostly recorded at 104–2,139 m · Deepest record: 3,658 m
Water temperature
Recorded in surface water of 15–30 °C
Names and classification
- English
- Manyray Loosejaw
Names in 1 more languages
- Japanese
- クマドリホシエソ
Similar species
- Grimaldi's loosejaw
Aristostomias grimaldii
- Loosejaw
Aristostomias lunifer
- Strangemouth Loosejaw
Aristostomias xenostoma
- Ribbon sawtail fish
Idiacanthus fasciola
- Gunther's boafish
Stomias affinis
- Twinlobe Snaggletooth
Astronesthes bilobata
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).
- 92 open-data records from 1929 to 2015.
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