Skip to content

DiscoverSpeciesFish

Oceanic bonito

Katsuwonus pelamis

  • Fish
  • IUCN: Least concern
  • Usual depth21–202 m
  • Water temperature14–29 °C
  • Best monthsJanuary, March, and April
  • How commonCommon
All species

Photo credit: (c) Michel Frisch, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

The skipjack tuna is a perciform fish in the tuna family, Scombridae, and is the only member of the genus Katsuwonus. It is a cosmopolitan pelagic fish found in tropical and warm-temperate waters. Skipjack tuna can grow up to 1.1 m in length, and is a very important species for fisheries.

Text from the Wikipedia article “Skipjack tuna”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

  • January: 327 records
  • February: 306 records
  • March: 433 records
  • April: 377 records
  • May: 227 records
  • June: 152 records
  • July: 130 records
  • August: 160 records
  • September: 98 records
  • October: 121 records
  • November: 139 records
  • December: 155 records

Depth and water temperature

Depth

Mostly recorded at 21–202 m · Deepest record: 1,001.7 m

  • 0–10 m: 17 records
  • 10–20 m: 31 records
  • 20–30 m: 66 records
  • 30–40 m: 78 records
  • 40–50 m: 303 records
  • 50–60 m: 14 records
  • 60–70 m: 17 records
  • 70–80 m: 7 records
  • 80–90 m: 1 records
  • 90–100 m: 12 records
  • 100–110 m: 7 records
  • 110+ m: 228 records

Water temperature

Recorded in surface water of 14–29 °C

  • 12–14 °C: 2 records
  • 14–16 °C: 16 records
  • 16–18 °C: 14 records
  • 18–20 °C: 3 records
  • 20–22 °C: 13 records
  • 22–24 °C: 51 records
  • 24–26 °C: 67 records
  • 26–28 °C: 485 records
  • 28–30 °C: 113 records

Names and classification

English
Oceanic bonito, Skipjack tuna, Aku, Arctic bonito, Atlantic bonito, oceanic bonito, Oceanic Skipjack, Skipjack, skipjack tuna, Skipjack Tuna, Skipjack tuna, Oceanic Bonito, Skipper, Stripebellied Bonito, Stripe-bellied Tunny, Striped bellied bonito, Striped bellied tunny, Striped bonito, Stripey, Stripy, Tuna links
Names in 5 more languages
German
bauchstreifiger Bonito, Bauchstreifiger bonito, echter Bonito, Echter Bonito, Gestreifter thunfisch, Thunfisch, Thunfischwurst, Thunfischwürstchen, Thunfish, Tunfischwurst
Spanish
Atún, Atún de Altura, Atun Listado, Barrilete, barrilete listado, Bonita, Bonito de Altura, Bonito del Sur, Bonito de Veintre Rayado, Bonitol, Bonito Oceánico, Cachorreta, Cachureta, Cachurreta, Descargamento, Lampo, listado, Listado, Llampua, Merma, Palomida, Picosa, Rayada
Filipino
Tambakol, Tulingan
French
Bonite a ventre raye, bonite à ventre rayé, Bonite à ventre rayé, Bonite folle, Bonite folle, Bonite à ventre rayé, Bonite ventre rayé, Bonitou, Bounicou, listao, Listao, thonine à ventre rayé, Ton Rayé
Japanese
Katsuo, Nagakoban, Namaribushi, Tsuna Hamu, カツオ

Other scientific names: Euthynnus pelamis, Euthynnus pelamys, Gymnosarda pelamis, Gymnosarda pelamys, Katsowonus pelamis, Katsuwinus pelamis, Katsuwonis pelamis, Katsuwonnus pelamis, Katsuwonus pelamsi, Katsuwonus pelamys, Katsuwonus vagans, Katuswonis pelamis, Orcynus pelamis, Orcynus pelamys, Scomber pelamides, Scomber pelamis, Scomber pelamys, Thinnus pelamis, Thunnus pelamys, Thynnus pelamis, Thynnus pelamys, Thynnus vagans

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).
  • 23,660 open-data records from 1758 to 2024.
  • Species data updated November 3, 2026.

Log what you see on your next dive

The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.

Join the waitlist

DiveHive uses necessary cookies to work. With your permission we also use analytics to see which pages help. Analytics is off until you say yes, and we never record what you type.

  • NecessaryAlways on: your choice, security.Always on
  • AnalyticsOff unless you accept.Off
Privacy policy