Species: Thunnus alalunga, Albacore tuna


Thunnus alalunga (Bonnaterre, 1788)
Albacore tuna
Body elongate, fusiform, moderately compressed; greatest body depth at about origin of 2nd dorsal fin; no fatty eyelid; teeth slender, conical; top of tongue with 2 cartilaginous ridges; 25-31 gill rakers; 2 dorsal fins, barely separated; 1st dorsal XII-XVI; 8-9 finlets after dorsal and anal fins; pectoral fin very long (reaches well past 2nd dorsal base) and with straight point; short, forked bony process between pelvic fins; 1 large + 2 small keels on tail base; tail fin deeply forked; indistinct scaly corselet on front of body; small scales cover body behind corselet; lateral line complete, front covered by corselet.
Faint iridescent blue stripe along flank; first dorsal deep yellow; second dorsal and anal light yellow; anal finlets dark grey; tail grey, with white rear border.
Size: 152 cm.
Habitat: oceanic.
Depth: 0-600 m.
Circumglobal, temperate; Alaska to the Gulf of California and the Revillagigedos, the Galapagos and to southern Peru.

High Resolution Map Download
- Salinity
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- Marine Only
- Marine
- Inshore/Offshore
-
- Offshore
- Offshore Only
- Water Column Position
-
- Mid Water
- Surface
- Water column only
- Near Surface
- Habitat
-
- Water column
- FishBase Habitat
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- Pelagic
- Feeding Group
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- Carnivore
- Data
- Diet
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- Bony fishes
- Pelagic crustacea
- Data
- Octopus/squid/cuttlefish
- Egg Type
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- No data
- Pelagic
- Pelagic larva
- Global Endemism
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- East Pacific + all Atlantic (East+West)
- East Pacific + Atlantic (East +/or West)
- All species
- TEP non-endemic
- "Transpacific" (East + Central &/or West Pacific)
- All Pacific (West + Central + East)
- Circumtropical ( Indian + Pacific + Atlantic Oceans)
- Regional Endemism
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- Eastern Pacific non-endemic
- Tropical Eastern Pacific (TEP) non-endemic
- Continent + Island (s)
- Island (s)
- Continent
- All species
- Residency
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- Vagrant
- Climate Zone
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- Northern Subtropical (Cortez Province + Sinaloan Gap)
- South Temperate (Peruvian Province )
- North Temperate (Californian Province &/or Northern Gulf of California)
- Antitropical (North and South temperate)
- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
- IUCN Red List
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- Near threatened
- Listed
- CITES
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- Not listed
- Length Max
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- 152
- Depth Range Min
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- 0
- Depth Range Max
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- 600