# Bigeye tuna (*Thunnus obesus*)

Canonical page: https://creaturedata.com/animals/bigeye-tuna  
Data as of: 2026-11-11

The bigeye tuna (Thunnus obesus) is a bony fish in the family Scombridae, subfamily Scombrinae, within the order Scombriformes. Its scientific name carries the authority (Lowe, 1839), and it belongs to the genus Thunnus. The IUCN Red List global assessment places the bigeye tuna in the Vulnerable (VU) category, an IUCN threatened category. Other English names for this fish include Bigeye, Big-eye tuna and Big-eye tunny.

## Quick facts

| Fact | Value |
|---|---|
| Weight | Not recorded |
| Length | Not recorded |
| Lifespan | Not recorded |
| Main food | Not recorded |
| Habitat | Not recorded |
| Young per litter or clutch | Not recorded |
| Conservation status | Vulnerable (IUCN) |
| Countries on record | Not recorded |

## Classification

- kingdom: Animalia
- phylum: Chordata
- class: Teleostei
- order: Scombriformes
- family: Scombridae
- genus: Thunnus
- species: *Thunnus obesus* (Lowe, 1839)

Synonyms: *Germo obesus*, *Germo sibi*, *Neothunnus obesus*, *Orcynus sibi*, *Parathunnus mebachi*, *Parathunnus obesus*, *Parathunnus obesus mebachi*, *Parathunnus sibi*, *Parathynnus sibi*, *Thunnus abesus*, *Thunnus mebachi*, *Thunnus obesus mebachi*, *Thunnus obesus sibi*, *Thunnus sibi*, *Thunus obesus*, *Thynnus obesus*, *Thynnus sibi*

## Common questions

### What kind of animal is the bigeye tuna?

The bigeye tuna is a bony fish. It belongs to the family Scombridae in the order Scombriformes.

### What is the scientific name of the bigeye tuna?

The scientific name of the bigeye tuna is Thunnus obesus, placing it in the genus Thunnus.

### Who named the bigeye tuna and when?

The scientific name authority for Thunnus obesus is written as (Lowe, 1839), meaning Lowe in 1839.

### Is the bigeye tuna endangered?

The bigeye tuna is listed as Vulnerable (VU) on the IUCN Red List global assessment, which is an IUCN threatened category.

### What family does the bigeye tuna belong to?

The bigeye tuna belongs to the family Scombridae, subfamily Scombrinae, and suborder Scombroidei.

### What are other names for the bigeye tuna?

Other English names for the bigeye tuna are Bigeye, Big-eye tuna and Big-eye tunny.

## Sources

- [Catalogue of Life eXtended Release](https://www.checklistbank.org/dataset/316691), CC BY 4.0, 2026-10-16 XR. Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
- [Wikimedia Commons](https://commons.wikimedia.org), per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed), 2026-11-11. Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence).
- [Wikidata](https://www.wikidata.org), CC0 1.0, 2026-11-11. Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service).
- [Wikipedia (English)](https://en.wikipedia.org), CC BY-SA 4.0, 2026-11-11. Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).

Cite as: Bigeye tuna (Thunnus obesus). Retrieved from https://creaturedata.com/animals/bigeye-tuna