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Lloyd's Slickhead

Narcetes lloydi

  • Fish
  • IUCN: Not evaluated
  • Usual depth763–1,282 m
  • Water temperature20–29 °C
  • Best monthsJanuary and May
  • How commonRare
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About this species

Lloyd's slickhead is a species of fish in the family Alepocephalidae (slickheads). The fish is found in the Indo-West Pacific: on Indian Ocean ridges, in the Arabian Sea and the South China Sea. This species reaches a length of 50 cm (20 in).

Text from the Wikipedia article “Narcetes lloydi”, 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: 9 records
  • February: 1 records
  • March: 0 records
  • April: 0 records
  • May: 6 records
  • June: 1 records
  • July: 0 records
  • August: 1 records
  • September: 1 records
  • October: 0 records
  • November: 3 records
  • December: 1 records

Depth and water temperature

Depth

Mostly recorded at 763–1,282 m · Deepest record: 1,530 m

  • 590–600 m: 18 records

Water temperature

Recorded in surface water of 20–29 °C

  • 18–20 °C: 1 records
  • 20–22 °C: 4 records
  • 22–24 °C: 7 records
  • 24–26 °C: 1 records
  • 26–28 °C: 8 records
  • 28–30 °C: 3 records

Names and classification

English
Lloyd's Slickhead
Names in 2 more languages
Japanese
Kuroguchiiwashi, クログチイワシ
Simplified Chinese
魯氏黑口魚, 黑頭魚

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).
  • 58 open-data records from 1906 to 2008.
  • Species data updated November 4, 2026.

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