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Bobtail squid

Euprymna hyllebergi

  • Cephalopods
  • IUCN: Data deficient
  • Usual depth384 m
  • Water temperature29–30 °C
  • Best monthsJuly, August, and December
  • How commonRare
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About this species

Euprymna hyllebergi, the Thai bobtail squid is a species of squid belonging to the family Sepiolidae and is native to the eastern Indian Ocean. It is commonly found in the Andaman Sea of Thailand and in the Gulf of Thailand. E. hyllebergi can grow up to 35mm in mantle length and can be found in depths as low as 74m. The Thai bobtail squid is covered in chromatophores, which are pigmented cells that can expand or contract and are used to camouflage the squid. The normal lifespan of the Thai bobtail squid is between 92 and 122 days for males and between 80 and 113 days for females.

Text from the Wikipedia article “Euprymna hyllebergi”, 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: 1 records
  • August: 1 records
  • September: 0 records
  • October: 0 records
  • November: 0 records
  • December: 1 records

Depth and water temperature

Depth

Mostly recorded at 384 m · Deepest record: 384 m

  • 380–390 m: 1 records

Water temperature

Recorded in surface water of 29–30 °C

  • 28–30 °C: 11 records

Names and classification

English
Bobtail squid
Names in 2 more languages
Japanese
アンダマンミミイカ
Thai
ปลาหมึกหูช้างไทย, หมึกหูช้าง

Similar species

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).
  • 11 open-data records from 1997 to 2011.
  • Species data updated November 2, 2026.

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