Bigeye Tuna at a glance
- Scientific name
- Thunnus obesus
- Typical size
- 30-60 inches, 50-200 lbs
- State record
- 227 lbs 12 oz
- Water
- Saltwater
- Habitat
- Offshore
- Rarity in the Fishdex™
- Legendary
Habitat
Found in tropical and subtropical waters worldwide, typically in deeper offshore waters beyond the continental shelf. Anglers target them with deep-dropping techniques, trolling large baits, or fishing around seamounts and drop-offs in 200-1000+ feet of water.
Catch one and it is yours
Log a bigeye tuna through the Cobia Camera and this entry fills in with your photo, your personal best, and the exact conditions on the day. The app also carries the slot and season rules for wherever you are standing.
How the Fishdex™ worksBigeye Tuna questions people ask
Bigeye Tuna is Thunnus obesus.
A typical bigeye tuna runs 30-60 inches, 50-200 lbs. Cobia records the length and weight of every bigeye tuna you log and keeps your personal best on its Fishdex entry.
Found in tropical and subtropical waters worldwide, typically in deeper offshore waters beyond the continental shelf. Anglers target them with deep-dropping techniques, trolling large baits, or fishing around seamounts and drop-offs in 200-1000+ feet of water. It is a salt water species, filed under offshore in the Fishdex.
Yes. Log one through the Cobia Camera and this entry fills in with your own photo, your personal best, and the conditions on the day you caught it. The app also carries the slot limits and season dates for wherever you are standing. It is free.






