Tuna is kosher according to Jewish dietary law.

What is the scientific name of Tuna?

The scientific name of Tuna is Thunnus species.

Does Tuna have fins and scales?

Yes. Tuna has both fins and removable scales, which is the requirement set in Leviticus 11:9-12 and Deuteronomy 14:9-10 for a fish to be considered kosher.

Can I eat Tuna sushi or sashimi?

If Tuna is prepared in a kosher kitchen with kosher utensils and ingredients, Tuna sushi or sashimi can be kosher. Always verify the kosher certification of the restaurant or preparation source.

What is Tuna called in Hebrew?

Tuna is known as טונה (טונה) in Hebrew.

Where can I find more information about whether Tuna is kosher?

KosherFish.co references the Orthodox Union (OU) and Chabad lists of kosher and non-kosher fish. For specific halachic questions, consult your local Orthodox rabbi.

Tuna

Thunnus species

Kosher

Has fins and scales

Fins Yes

Scales Yes

Description

Tuna is eaten as sushi and sashimi, seared as steaks, and canned for sandwiches, salads, and casseroles.

Tuna range widely but thinly through the world's tropical and temperate oceans, roughly between 45 degrees north and south. Most of the commercial catch comes from the Pacific, with smaller shares from the Indian, Atlantic, and Mediterranean.

Also known as

Bluefin Tuna
Yellowfin Tuna
Skipjack
Ahi
Albacore

Kosher Tuna in foreign languages

Scientific	Thunnus species
Hebrew	טונה
Arabic	تونة
Spanish	Thunus
Portuguese	Atum
French	thon
Italian	tonno
German	Thunfische
Russian	Тунцы
Turkish	Orkinos
Chinese	鮪屬
Japanese	マグロ
Korean	다랑어속
Thai	ปลาทูน่าแท้

Gallery

Tuna — Whole on ice — Whole on ice · sodai gomi / CC BY 2.0

Tuna — Cooked dish — Cooked dish · Lucidoadrian / CC BY-SA 4.0

Warnings & Kosher Issues

Kosher. Tuna have fins and scales, which is why kosher-certified canned tuna is widely available.
Large tuna can carry higher mercury levels, a general health note rather than a kosher issue.