Tematica Pesci

Thunnus obesus Lowe, 1839

Phylum: Chordata Haeckel, 1874

Subphylum: Vertebrata Lamarck J-B., 1801

Classe: Actinopterygii Klein, 1885

Ordine: Perciformes Bleeker, 1859

Famiglia: Scombridae Rafinesque, 1815

Genere: Thunnus Starks, 1910

Descrizione

Sul dorso è color blu scuro, mentre sui lati e sul ventre è biancastro. Lungo i fianchi corre una banda bluastra iridescente.

Diffusione

È una specie cosmopolita e oceanodroma, è diffuso nell'atlantico occidentale, nel Pacifico e nell'Indiano, in generale in tutte le zone tropicali o subtropicali. Risulta completamente assente nel Mar Mediterraneo.

Sinonimi

= Germo sibi Temminck & Schlegel, 1844 = Germogus obesus Lowe, 1839 = Neothunnus obesus Lowe, 1839 = Orcynus sibi Temminck & Schlegel, 1844 = Parathunnus mebachi Kishinouye, 1915 = Parathunnus obesus Lowe, 1839 = Parathunnus sibi Temminck & Schlegel, 1844 = Thunnus mebachi Kishinouye, 1915 = Thunnus obesus Lowe, 1839 = Thunnus sibi Temminck & Schlegel, 1844 = Thynnus obesus Lowe, 1839 = Thynnus sibi

Bibliografia

–Collette, B.; Acero, A.; Amorim, A.F.; et al. (2011). "Thunnus obesus". The IUCN Red List of Threatened Species. 2011. en.
–"Thunnus obesus". Integrated Taxonomic Information System.
–Froese, Rainer; Pauly, Daniel (eds.) (2018). "Thunnus obesus" in FishBase.
–Lowe, T. E. (2000). "Blood oxygen-binding characteristics of bigeye tuna (Thunnus obesus), a high-energy-demand teleost that is tolerant of low ambient oxygen". Marine Biology. 136 (6): 1087-1098.
–Holland, Kim N. (1992). "Physiological and behavioural thermoregulation in bigeye tuna (Thunnus obesus)". Nature. 358 (6385): 410-412.
–Farley, Jessica H.; Clear, Naomi P.; Leroy, Bruno; Davis, Tim L. O.; McPherson, Geoff (2006). "CSIRO PUBLISHING - Marine & Freshwater Research". Csiro.au. 57 (7): 713-724.
–Schaefer, Kurt M.; Fuller, Daniel W.; Miyabe, Naozumi (2005). "Reproductive Biology of Bigeye Tuna (Thunnus Obesus) in the Eastern and Central Pacific Ocean" (PDF) (Bulletin). 23 (1). La Jolla, California: Inter-American Tropical Tuna Commission: 7-8.
–Schaefer, Kurt M. (2010). "Vertical movements, behavior, and habitat of bigeye tuna (Thunnus obesus) in the equatorial eastern Pacific Ocean, ascertained from archival tag data". Marine Biology. 157 (12): 2625-2642.
–Arrizabalaga, H. (2008). "Bigeye tuna (Thunnus obesus) vertical movements in the Azores Islands determined with pop-up satellite archival tags". Fisheries Oceanography. 17 (2): 74-83.
–Howell, Evan A. (2010). "Spatiotemporal variability in bigeye tuna (Thunnus obesus) dive behavior in the central North Pacific Ocean". Progress in Oceanography. 86 (1-2): 81-93.
–Evans, Karen (2008). "Behaviour and habitat preferences of bigeye tuna (Thunnus obesus) and their influence on longline fishery catches in the western Coral Sea". Canadian Journal of Fisheries and Aquatic Sciences. 65 (11): 2427-2443.
–Dagorn, L. (2000). "Movement patterns of large bigeye tuna (Thunnus obesus) in the open ocean, determined using ultrasonic telemetry". Marine Biology. 136 (2): 361-371.
–Young, Jock W. (2010). "Feeding ecology and niche segregation in oceanic top predators off eastern Australia". Marine Biology. 157 (11): 2347-2368.
–Josse, Erwan (1998). "Simultaneous observations of tuna movements and their prey by sonic tracking and acoustic surveys". Hydrobiologia. 371/372: 61-69.
–Musyl, Michael K. (2003). "Vertical movements of bigeye tuna (Thunnus obesus) associated with islands, buoys, and seamounts near the main Hawaiian Islands from archival tagging data". Fisheries Oceanography. 12 (3): 152-169.
–"Cambridge Journals Online - Aquatic Living Resources - Abstract - A critique of the ecosystem impacts of drifting and anchored FADs use by purse-seine tuna fisheries in the Western and Central Pacific Ocean".
–Sibert, John R. (2003). "Horizontal movements of bigeye tuna (Thunnus obesus) near Hawaii determined by Kalman filter analysis of archival tagging data". Fisheries Oceanography. 12 (3): 141-151.
–Hampton, John; Gunn, John (1998). "CSIRO PUBLISHING - Marine & Freshwater Research". Csiro.au. 49 (6): 475-489.

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	Data: 22/07/2005 Emissione: Pesca sportiva Stato: Ascension Island

	Data: 07/01/1986 Emissione: Ittiofauna Stato: Madeira

	Data: 23/11/1966 Emissione: Giornata del francobollo Stato: Spanish Sahara

	Data: 16/02/2004 Emissione: Ittiofauna Stato: British Indian Ocean Territory

	Data: 15/12/1997 Emissione: Tonni Stato: Cape Verde