Spatiotemporal variability in bigeye tuna (Thunnus obesus
) dive behavior in the central North Pacific Ocean.
It may be typically absent in most large predatory fish stomach contents (literature reviewed by ), but a few individuals were eaten by dolphinfish, Coryphaena hippurus , bigeye tuna, Thunnus obesus
, yellowfin tuna, Thunnus albacares , albacore, Thunnus alalunga , swordfish, Xiphias gladius [40, 78], and lancetfish [40, 41].
In another example, significant differences in average oocyte size were observed along the anterior-posterior axis and between the center and periphery of ovary lobes in bigeye tuna Parathunnus sibi (= Thunnus obesus
: Lowe, 1839) (Yuen, 1955) and bluefin tuna Thunnus thynnus (Linnaeus, 1758) (Baglin, 1982).
Application of a habitat-based model to estimate effective longline fishing effort and relative abundance of Pacific bigeye tuna (Thunnus obesus
Sensory and biochemical aspects of quality of whole bigeye tuna (Thunnus obesus
) during bulk storage in controlled atmospheres.
Horizontal movements of bigeye tuna (Thunnus obesus
) near Hawaii determined by Kalman filter analysis of archival tagging data.
Using hook depth as a tool to selectively target pelagic species has been used extensively in commercial fisheries for decades, with most of the effort focused on bigeye tuna, Thunnus obesus
, and albacore, Thunnus alalunga, (Suzuki et ah, 1977; Sakagawa et ah, 1987).
Tunas (of the###Bigeye tunas (Thunnus obesus
Application of habitat-based model to estimate effective longline fishing effort and relative abundance of Pacific bigeye tuna (Thunnus obesus
Domestic waters Species Market size (a) Fresh (%) (b) (%) (c) Albacore (Thunnus alalunga) 9-20 kg, 68 cm 9 < 1 Bigeye (Thunnus obesus
) 15-20 kg, 90 cm 13 34 Bluefin (Thunnus thynnus) ~7 kg 2 38 Skipjack (Katsuwonus pelamis) ~3 kg, 35 cm 38 1 Yellowfin (Thunnus albacares) 5-20 kg, 34 7 40-180 cm Hg (mg/kg) global harvest (%) (a) Products Pacific Atl/Med (d) Indian Canned (white) and 0.17 (67) Atl 0.47/Med 0.87 (25) (8) fresh/frozen Fresh/frozen 0.29 (60) (25) (15) Canned (white) and (40) 0.13 (e) (60) (0) fresh/frozen Canned (light) and fresh, (67) 0.17 (13) (20) smoked Canned (light) and fresh, 0.06 (60) Atl 0.31 (15) (25) smoked Abbreviations: Atl, Atlantic; Med, Mediterranean.