Thunnus albacares reaches 2.4 m and 200 kg. Circumtropical and tropical temperate tuna (Thunnidae). Fusiform body metallic blue back, golden-yellow flanks, silver belly. Distinctive feature: bright yellow secondary fins (finlets), second dorsal and anal can elongate into sickles in large adults. Lives in dense schools from 0 to 250 m in open water of all tropical and warm-temperate oceans. Listed NT by IUCN. Fast thermoregulated predator. Massive industrial commercial fishery (longline, seine). Iconic encounters West Africa (Senegal) and Maldives. Wide-angle photo subject for metallic colors and schools.
Photo of Yellowfin tuna
Frequently asked questions
How big is the Yellowfin tuna?
Yellowfin tuna (Thunnus albacares) reaches 100–240 cm in length.
At what depth can you find the Yellowfin tuna?
Yellowfin tuna is found between 0–250 m deep.
Is the Yellowfin tuna dangerous to divers?
Danger level: Harmless.
What is the conservation status of the Yellowfin tuna?
IUCN status: Near threatened (NT).
Where can you find the Yellowfin tuna?
Found in: Asian Pacific, Caribbean, East Atlantic, Eastern Pacific, Indian Ocean & Red Sea, Macaronesia.