Consequences of the historical demography on the global population structure of two highly migratory cosmopolitan marine fishes: the yellowfin tuna (Thunnus albacares) and the skipjack tuna (Katsuwonus pelamis)

Table 8 Worldwide Tuna Catch Data for the Year 2002 [1]

Species	Catch (metric tons)	Ave. Wt. (kg)	Est. Number Fish Harvested*
skipjack	2.0 × 10⁶	3	670 × 10⁶
yellowfin	1.3 × 10⁶	5–20	130 × 10⁶
bigeye	0.43 × 10⁶	15–20	24 × 10⁶
albacore	0.24 × 10⁶	9–20	16 × 10⁶
longtail	0.125 × 10⁶	15–20	6.9 × 10⁶
Pacific bluefin	0.024 × 10⁶	7	3.4 × 10⁶
Atlantic bluefin	0.036 × 10⁶	17	2.1 × 10⁶

ISSN: 2730-7182