Dogtooth tuna

Gymnosarda unicolor

Fish
IUCN: Least concern

Usual depth11–29 m
Water temperature20–30 °C
Best monthsMarch, April, and May
How commonOccasional

About this species

The dogtooth tuna, also known as white tuna, is a species of pelagic marine fish which belongs to the family Scombridae. Despite the name "tuna", it is not actually a tuna. Instead, it is a bonito.

Text from the Wikipedia article “Dogtooth tuna”, 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: 13 records
February: 52 records
March: 61 records
April: 67 records
May: 71 records
June: 54 records
July: 39 records
August: 15 records
September: 4 records
October: 22 records
November: 8 records
December: 11 records

Depth and water temperature

Depth

Mostly recorded at 11–29 m · Deepest record: 282 m

0–10 m: 28 records
10–20 m: 180 records
20–30 m: 125 records
30–40 m: 13 records
40–50 m: 9 records
50–60 m: 9 records
60–70 m: 2 records
70–80 m: 0 records
80–90 m: 1 records
90–100 m: 2 records
100–110 m: 0 records
110+ m: 1 records

Water temperature

Recorded in surface water of 20–30 °C

20–22 °C: 1 records
22–24 °C: 5 records
24–26 °C: 23 records
26–28 °C: 83 records
28–30 °C: 344 records

Names and classification

English: Dogtooth tuna, dogtooth tuna, Dog-tooth Tuna, Peg-tooth Tuna, scaleless tuna, White-flesh Tuna, White Tuna

Names in 6 more languages

German: Einfarben-Thun
Spanish: Atún de colmillo, casarte ojón
French: Bonite à gros yeux, Thon à dents de chien, Thon à Gros Yeux, Thon Blanc, Thon Dents de Chien, Thon Gros Yeux
Japanese: Isomaguro, Tokakin, イソマグロ, イソマグロ属
Thai: ปลาทูน่าเขี้ยวหมา, ปลาโอเขี้ยวหมา, ปลาโอฟันหมา
Simplified Chinese: 大梳齒, 疏齒, 裸狐鰹, 裸鰆, 長翼

Other scientific names: Gymnosarda nuda, Pelamys nuda, Scomber vau, Thynnus unicolor

Similar species

Frigate mackerel
Auxis thazard
Wahoo
Acanthocybium solandri
Narrow-barred Spanish mackerel
Scomberomorus commerson
Allison tuna
Thunnus albacares
Slender tuna
Allothunnus fallai
Kawakawa
Euthynnus affinis

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).
656 open-data records from 1836 to 2023.

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