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Longtail Tuna (Thunnus tonggol) Photographs and Information



Longtail tuna are taken by trolling and as an incidental handline catch by prawn trawlers.  Longtail tuna are popular with recreational fishers on the east coast.

Longtail tuna are distributed across northern Australia.  They are a neritic species that appear to make a north-south migration following southern intrusions of warm water.

Spawning occurs in summer and they first spawn at 60-70 cm fork length.  The maximum size is unknown, however fish 136 cm long, weighing 30 kg have been recorded from southern Queensland.

Longtail tuna are usually eaten fresh or smoked and are used for canning.

Did you know?
Tuna cannot pump water over their gills like other fish, instead they swim with their mouths open which forces the water over their gills. If they stop swimming they will suffocate.

Did you know?
Tuna have hearts that are much larger than other fish, they are about 10 times as large, relative to the size of the body.

Did you know?
The longtail tuna is an exceptionally voracious predator, easily consuming the equivalent of two percent of its body weight (around one kilogram) in prey every day.

Longtail Tuna (Thunnus tonggol) Photo

Map showing where LONGTAIL TUNA are found in Australian waters

Scientific Name Thunnus tonggol
Location NSW, QLD, WA
Season All year round
Size 25 kg
Australian Species Code 37 441013
Taste, Texture Rich. Mild & meaty when cooked. Medium.

 

Nutritional Information
For every 100 grams raw product
for Tuna fillet.

Kilojoules 521 (124 calories)
Cholesterol 30 mg
Sodium 37 g
Total fat (oil) 0.5 g
Saturated fat 33% of total fat
Monounsaturated fat 13% of total fat
Polyunsaturated fat 54% of total fat
Omega-3, EPA 14 mg
Omega-3, DHA 100 mg
Omega-6, AA 15 mg


Angling for Longtail Tuna | Tuna Fishing :

It is a prized sporting fish which will take small lures and also live bait.  Big schools can often be seen on the surface but are often virtually impossible to hook. At other times this fish will take lures and baits without any previous indication of its presence. The fight is a tough one, both on the surface and deep down.  Trolling small feathers over “holes” in the bottom and between coral reefs at high tide produces strikes.

 


Cooking Longtail Tuna:

Longtail tuna are usually eaten fresh or smoked and are used for canning. Raw Longtail tuna fillets are pink to red with a medium to firm texture and a rich, mild and meaty taste when cooked. Videos on how to prepare fresh tuna recipes, delicious recipes using tuna - both canned tuna and fresh tuna.


Commercial Fishing for Longtail Tuna:

Longtail tuna are taken by trolling and as an incidental handline catch by prawn trawlers. Scientific name: Thunnus tonggol. Companies and contacts who are Longtail Tuna exporters, processors, wholesale suppliers of Long tail tuna and seafood buyers agents.


Links and resources about Longtail Tuna

History of the West Coast Tuna Fishing, all about San Diego tuna boats, The tuna association of Ecuador, International Game Fishing association and the Commonwealth Fisheries Association which covers wild harvest fisheries and environmentally sustainable fisheries in Australia.

 

 

 


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