Atlantic Bigeye


Species Name: Atlantic Bigeye

Family Name: Scombridae

The Atlantic Bigeye, scientific name ⁢Thunnus obesus, ‌falls under the family Scombridae. This family, colloquially known as the mackerel family, includes other top sea predators such as tuna and bonitos.

Conservation Status

Current Status: Vulnerable

Conservation ⁣Efforts

The Atlantic Bigeye tuna has been ‌listed⁣ as vulnerable by the International Union for Conservation of Nature⁢ (IUCN). Conservation efforts have been enforced worldwide to protect the species from over-exploitation. Protection​ measures include limited fishing ​quotas and the promotion of sustainable ​fishing practices.


Length200 cm180-250 cm
Weight75 kg15-200 kg
Lifespan10 years



The Atlantic Bigeye is found in the tropical‌ and temperate parts⁤ of the Atlantic Ocean.

Migration Patterns

These predators often​ go‍ for ⁢long-distance ⁣migrations which are influenced ⁣by⁢ ocean temperatures and food availability.


Water TypeDepth RangeTemperature Range
Open Tropical Oceans0-400 metersWarm

When and Where ​to ‌See

Seasonal patterns

They⁣ are more abundant during warmer periods ​but can be spotted ​throughout the year.

Time of day

Atlantic Bigeye tuna ⁢is nocturnal and tends to be closer to the surface during nighttime.

Best ‍Fishing Locations

Top Fishing Places

  • Madeira, Portugal
  • The ‍Canaries, Spain
  • Cape Verde
  • The Azores
  • Florida, USA
  • Bahamas
  • Saint Helena
  • Puerto ​Rico
  • Bermuda
  • Senegal

How to Catch

Preferred Baits ⁣or Lures

For best results, ​use natural baits like squid‌ and mackerel.

Fishing Techniques

Trolling⁤ techniques ⁤are most effective ​when it​ comes to catching Atlantic Bigeye tuna.

Identification Guide

The Atlantic Bigeye tuna can ‌be identified ​by the two distinct dorsal fins, a streamlined body, and a silvery-white belly.


How to Cook

Atlantic Bigeye‌ tuna’s dense and firm meat can be enjoyed raw in sushi, cooked in steaks, or‌ grilled ⁣on a barbecue.

Nutritional Information

Atlantic Bigeye tuna is⁣ low in fat and is a good source of‌ Vitamin⁣ D, ‍and Omega-3 fatty acids.

Additional ⁢Information

Predators and ​Threats

Sharks, dolphins, and humans are ​among the known threats of Atlantic Bigeye tuna.

References and Further Reading

  • Food and⁢ Agriculture Organization of ‍the United Nations –‍ Species ‌Fact Sheet
  • International Game Fish Association – World Record ‍Game Fishes