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Frigate tuna (Alagaduwa)
Auxis thazard (bottom)
Conservation status
Least Concern  (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Scombriformes
Family:	Scombridae
Genus:	Auxis
Species:	A. thazard
Binomial name
Auxis thazard (Lacepède, 1800)
Synonyms
Scomber thazard Lacepède, 1800 Scomber taso Cuvier, 1832 Auxis tapeinosoma Bleeker, 1854 Auxis hira Kishinouye, 1915

The frigate tuna, frigate mackerel or alagaduwa (Auxis thazard) is a species of tuna, in the family Scombridae, found around the world in tropical oceans. The eastern Pacific population is now regarded as a separate species by some authorities, Auxis brachydorax.

Parasites

As most fishes, the frigate tuna harbours a number of parasites. Among these are a series of digeneans, which are parasititic within the intestine.

References

1. Collette, B.; Acero, A.; Amorim, A.F.; et al. (2011). "Auxis thazard". IUCN Red List of Threatened Species. 2011: e.T170344A6757270. doi:10.2305/IUCN.UK.2011-2.RLTS.T170344A6757270.en. Retrieved 16 March 2022.
2. Froese, Rainer; Pauly, Daniel (eds.). "Auxis thazard". FishBase. February 2018 version.
3. William Eschmeyer, ed. (30 April 2018). "Species that contain: Auxis and brachydorax". Catalog of Fishes. California Academy of Sciences. Retrieved 7 May 2018.
4. Pantoja, Camila; Telles, Bruno; Paschoal, Fabiano; Luque, José Luis; Kudlai, Olena (2022). "Digenean trematodes infecting the frigate tuna Auxis thazard (Scombriformes, Scombridae) off the Rio de Janeiro coast, Brazil, including molecular data". Parasite. 29: 44. doi:10.1051/parasite/2022044. PMC 9541523. PMID 36205525. [REDACTED]

v t e Tuna
True tuna	Tuna Thunnus Albacore Bigeye tuna Atlantic bluefin tuna Blackfin tuna Longtail tuna Southern bluefin tuna Pacific bluefin tuna Yellowfin tuna
Other tuna	Scombridae Black skipjack tuna Bullet tuna Dogtooth tuna Frigate tuna Mackerel tuna Leaping bonito Little tunny Skipjack tuna Slender tuna Auxis
Fishing and fisheries	Almadraba US bluefin tuna industry
As food	Botargo Cakalang fufu Chūtoro Katsuobushi Kezuriki Mojama Tekkadon Tuna casserole Tuna fish sandwich Tuna pot Tuna salad
Other	Dolphin friendly tuna Scombroid food poisoning Tuna Fishing (painting) Tunagate
Organisations	IATTC IOTC ICCAT CCSBT WCPFC International Seafood Sustainability Foundation#Practices Nauru Agreement Regional Fisheries Management Organisation
Related articles	List of tuna dishes

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• IUCN Red List least concern species
• Auxis
• Pantropical fish
• Fish described in 1800
• Taxa named by Bernard Germain de Lacépède
• Scombriformes stubs