Southern Bluefin Tuna

The southern bluefin tuna (Thunnus maccoyii) is a large, migratory fish found primarily in the temperate waters of the Southern Hemisphere. Known for its robust size and prized for its high-quality flesh, especially in sashimi markets, this species is heavily targeted by commercial fisheries. It inhabits deep, oceanic waters and is recognized for its impressive endurance and strength, making it a popular species among sport fishermen.
Length~180 (max 250)
Weight~100 (max 260)
WaterSalt
Water Temp3-30° F
Depth50-600 ft
- Other names-
- Length~180 (max 250)
- Weight~100 (max 260)
- WaterSalt
- Water Temp3-30° F
- Depth50-600 ft
Popular lures for Southern Bluefin Tuna
Regulation for Southern Bluefin Tuna
- SeasonAlways open
- Bag limit2
- Vessel limit6
- Trophy limits-
- Max size-
- Min sizeNo
- Measurement-
- Prohibited methods-
Living Conditions
🐟 Habitat preferences
- Southern bluefin tuna inhabit deep, pelagic oceanic waters
- They are found in temperate regions but migrate to warmer, tropical waters for spawning
- This species is highly migratory, often covering vast distances across the Atlantic, Indian, and Pacific Oceans
- Their diet is diverse, including fish, crustaceans, cephalopods, and other marine organisms
♻️ Life cycle and mating behavior
- Spawning occurs in warm tropical waters, often at depths where water temperatures range from mild to warm
- It is unclear if these tuna spawn annually or at less frequent intervals
- Post-spawning, the juveniles remain in nursery areas before joining adult migration patterns
- As they mature, their powerful swimming capabilities enable them to undertake extensive migrations across the oceans