Trident Cuttlefish
Erythalassa trygonina
- Usual depth40 m
- Water temperature26–29 °C
- Best monthsJuly and October
- How commonRare
About this species
Erythalassa trygonina, the trident cuttlefish, is a species of cuttlefish in the monotypic genus Erythalassa from the Red Sea and the western Indian Ocean. They are also a major source of food for larger marine life like dolphins, seals, and seabirds.
Text from the Wikipedia article “Erythalassa trygonina”, 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: 0 records
- March: 0 records
- April: 0 records
- May: 0 records
- June: 0 records
- July: 2 records
- August: 0 records
- September: 0 records
- October: 2 records
- November: 0 records
- December: 0 records
Depth and water temperature
Depth
Mostly recorded at 40 m · Deepest record: 40 m
Water temperature
Recorded in surface water of 26–29 °C
Names and classification
- English
- Trident Cuttlefish
Names in 1 more languages
- Japanese
- ササノハコウイカ
Other scientific names: Doratosepion trygoninum, Sepia trygonina
Similar species
Pharaoh CuttlefishAcanthosepion pharaonis
Smith's CuttlefishAcanthosepion smithi
Australian Giant CuttlefishAscarosepion apama
Broadclub CuttlefishAscarosepion latimanus
Reaper CuttlefishAscarosepion mestus
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).
- 9 open-data records from 1884 to 1986.
- Species data updated November 2, 2026.
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