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Atlantic cutlass fish

Trichiurus lepturus

  • Fish
  • IUCN: Least concern
  • Usual depth2–79 m
  • Water temperature15–29 °C
  • Best monthsApril, May, and October
  • How commonCommon
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About this species

The largehead hairtail or beltfish is a member of the cutlassfish family, Trichiuridae. This common to abundant species is found in tropical and temperate oceans throughout the world. The taxonomy is not fully resolved, and the Atlantic, East Pacific and Northwest Pacific populations are also known as Atlantic cutlassfish, Pacific cutlassfish, respectively. This predatory, elongated fish supports major fisheries.

Text from the Wikipedia article “Largehead hairtail”, 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: 680 records
  • February: 1,414 records
  • March: 1,544 records
  • April: 2,004 records
  • May: 1,855 records
  • June: 1,236 records
  • July: 1,212 records
  • August: 1,257 records
  • September: 1,455 records
  • October: 1,847 records
  • November: 1,628 records
  • December: 1,364 records

Depth and water temperature

Depth

Mostly recorded at 2–79 m · Deepest record: 930 m

  • 0–10 m: 2,359 records
  • 10–20 m: 203 records
  • 20–30 m: 169 records
  • 30–40 m: 126 records
  • 40–50 m: 137 records
  • 50–60 m: 97 records
  • 60–70 m: 78 records
  • 70–80 m: 78 records
  • 80–90 m: 48 records
  • 90–100 m: 13 records
  • 100–110 m: 57 records
  • 110+ m: 242 records

Water temperature

Recorded in surface water of 15–29 °C

  • 14–16 °C: 3 records
  • 16–18 °C: 5 records
  • 18–20 °C: 6 records
  • 20–22 °C: 19 records
  • 22–24 °C: 104 records
  • 24–26 °C: 46 records
  • 26–28 °C: 435 records
  • 28–30 °C: 14 records

Names and classification

English
Atlantic cutlass fish, Atlantic cutlassfish, Hairtail, Largehead hairtail, Australian hairtail, Beltfish, Blade-fish, Common Hairtail, Cox's Hairtail, Cutlass-fish, Cutlassfish, Cutlass Fish, Grey Ribbon Fish, hairtail, Hair tail, Hair-tail, Japanese Cutlassfish, Large-headed Hairtail, Large Headed Hairtail, Largeheaded Ribbonfish, largehead hairtail, Largehead hairtail, Hairtail, Large-head Ribbonfish, Northern Hairtail, Pacific cutlassfish, Ribbon Fish, Silver Cutlassfish, Silverfish, Silvery Hairtail, Snakefish
Names in 8 more languages
German
Degenfisch, Haarschwanz
Spanish
Cinta, Cintilla, Corbata, Correa, Espada, Machete, Peje Espada, Pez Sable, Sable, sable del Atlántico, sable del Pacífico, Sabre, Savola, Tajalí
French
Poisson Ceinture, Poisson Sabre, poisson-sabre commun, Poisson Sabre Commun, Poisson-sabre commun, Poisson-sabre, Sabre
Indonesian
Ikan Beledang, Layur
Japanese
タチウオ, 太刀魚
Korean
갈치
Thai
ปลาดาบเงินเล็ก
Simplified Chinese
天竺帶魚, 油帶, 白帶魚, 白魚, 肥帶, 裙帶, 高鰭帶魚

Other scientific names: Clupea haumela, Trachiurus lepturus, Trichiuris haumela, Trichiurus argenteus, Trichiurus coxii, Trichiurus haumela, Trichiurus lajor, Trichiurus malabaricus, Trichiurus nitens, Trichurus lepturus, Trichyurus lepturus

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).
  • 22,660 open-data records from 1758 to 2025.

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