The main occupation of the islanders is fishing and this is where the largest tuna fishery in Sicily can be found.

In the Eastern Tropical Pacific tuna fishery, thousands of dolphins drowned in purse-seine nets, until preventive measures were introduced.

An example is in fisheries where bycatch of species such as dolphins are called collateral mortality ; i. e., they are species that die in pursuit of in the legal death of fishery targets, such as tuna.

There have been claims of prey depletion by seabirds of fishery stocks, and while there is some evidence of this, the effects of seabirds are considered smaller than that of marine mammals and predatory fish ( like tuna ).

At first, mahi-mahi were mostly bycatch ( incidental catch ) in the tuna and swordfish longline fishery.

Examples are the salmon fishery of Alaska, the cod fishery off the Lofoten islands, the tuna fishery of the Eastern Pacific, or the shrimp farm fisheries in China.

Spinner dolphins, as with other species impacted by the ETP tuna purse-seine fishery are managed both nationally by the coastal countries and internationally by the IATTC.

As the vessels used for sportfishing became larger, faster, longer-ranged and more seaworthy, big-game species are now pursued on grounds ranging from 60 or 70 miles ' distance from port, such as the submarine canyons of the United States continental shelf, to hundreds of miles as in the case of the San Diego long range fishery, where large live-aboard vessels range far out into the Pacific searching for tuna schools.

The purse seine fishery primarily operates in the Pacific Ocean, in the historic tuna grounds of the San Diego tuna fleet in the eastern Pacific, and in the islands of the western Pacific, where many US tuna canneries relocated in the 1980s ; but significant purse-seine catches are also made in the Indian Ocean and in the tropical Atlantic Ocean, especially in the Gulf of Guinea by French and Spanish vessels.

Purse seine vessels locate tuna via onboard lookouts, as was done in the pole and line fishery, but they also employ sophisticated onboard electronics, sea-surface temperature and other satellite data, and from helicopters overhead.

Purse seining for yellowfin tuna became highly controversial in the late 1970s when it became apparent that the eastern Pacific fishery was killing many spinner dolphin, pantropical spotted dolphin and other cetaceans ( often referred to as ' porpoise ' by the tuna fleet ) that accompany the fish.

By far the largest fishery using artisanal methods exists in Philippine and Indonesian waters where thousands of fishermen target yellowfin tuna around fish aggregation devices or payaos, although this fishery far exceeds the artisanal scale in terms of tonnage caught and the numbers of participants involved and should more properly be considered a commercial handline fishery.

* The fishery sector lands cod, herring, plaice, sole, mackerel, eels, tuna, salmon, trout, oysters, mussels, shrimp, and sardines.

In the Sri Lankan gillnet fishery, one dolphin is caught for every 1. 7-4. 0 tonnes of tuna landed.

This compares poorly with the rate of one dolphin per 70 tonnes of tuna landed in the eastern Pacific purse seine tuna fishery.

A variation, the " empanada gallega " ( Spanish empanada ), is a big, round meat pie made most commonly with tuna and mackerel (" caballa " in Spanish ).

Although 115 species of fish have been identified in the waters near Clipperton, the only economic activity in the area is tuna fishing.

The country also is one of the eight signatories of the Nauru Agreement Concerning Cooperation In The Management Of Fisheries Of Common Interest which collectively controls 25-30 % of the world's tuna supply and approximately 60 % of the western and central Pacific tuna supply.

Kiribati is one of the eight signatories of the Nauru Agreement Concerning Cooperation In The Management Of Fisheries Of Common Interest which collectively controls 25-30 % of the world's tuna supply and approximately 60 % of the western and central Pacific tuna supply.

Though the composition of a bocadillo varies by region, it is usually a baguette filled with salad and a choice of meats, fish ( usually tuna ), or omelette.

Fishing is a potential source of revenue, but the islands ' tuna output dropped by over one-third during the 1990s.

' " An example which combines homophonic and homographic punning is Douglas Adams's line " You can tune a guitar, but you can't tuna fish.

" The phrase uses the homophonic qualities of " tune a " and " tuna ", as well as the homographic pun on " bass ", in which ambiguity is reached through the identical spellings of ( a string instrument ), and ( a kind of fish ).

The industrial fishing operations struggle with high costs, and Senegalese tuna is rapidly losing the French market to more efficient Asian competitors.

Tekkamaki () is a kind of Hosomaki filled with raw tuna.

Although it is believed that the name " Tekka ", meaning ' red hot iron ', alludes to the color of the tuna flesh or salmon flesh, it actually originated as a quick snack to eat in gambling dens called " Tekkaba " (), much like the sandwich.

Negitoromaki () is a kind of Hosomaki filled with scallion ( negi ) and chopped tuna ( toro ).

Fatty tuna is often used in this style.

Tsunamayomaki () is a kind of Hosomaki filled with canned tuna tossed with mayonnaise.

Ramen soup is generally made from stock based on chicken or pork, combined with a variety of ingredients such as kombu ( kelp ), katsuobushi ( skipjack tuna flakes ), niboshi ( dried baby sardines ), beef bones, shiitake, and onions, and then flavored with salt, miso, or soy sauce.

A tuna is a saltwater finfish that belongs to the tribe Thunnini, a sub-grouping of the mackerel family ( Scombridae ), which includes the bonito ( Sardini ) and mackerel ( Scombrini ) tribes.

An active and agile predator, the tuna has a sleek, streamlined body, and is among the fastest-swimming pelagic fish – the yellowfin tuna, for example, is capable of speeds of up to.

The increased popularity of bluefin tuna for sashimi is reported to have brought this popular species to the verge of extinction.

They generally contain only one filling, often tuna, cucumber, kanpyō, thinly sliced carrots, or, more recently, avocado.

The Monterey Bay Aquarium is one of very few in the world to exhibit both bluefin and yellowfin tuna.

* Bigeye tuna, one of two fish called ahi in Hawaiian.

Grey fished out of Wedgeport, Nova Scotia, for many summers and set a world record for the largest blue-fin tuna on August 24, 1924 when he caught one weighing 758 pounds.

Their sense of smell is extremely acute, being capable of detecting one part tuna extract in 10 billion parts of sea water.

Tuvalu is one of the eight signatories of the Nauru Agreement Concerning Cooperation In The Management Of Fisheries Of Common Interest which collectively controls 25-30 % of the world's tuna supply and approximately 60 % of the western and central Pacific tuna supply.

Tonga is, however, notably not one of the eight signatories of the Nauru Agreement Concerning Cooperation In The Management Of Fisheries Of Common Interest which collectively controls 25-30 % of the world's tuna supply and approximately 60 % of the western and central Pacific tuna supply.

The 1980s saw the rise of " dolphin-friendly " tuna capture methods in order to save millions of the species in the eastern Pacific Ocean and it is now one of the most abundant dolphin species in the world.

Can shapes are usually one of two shapes that maximize the volume and minimize the material, the " soup tin " or the " tuna tin.

The Atlantic bluefin tuna has been the foundation of one of the world's most lucrative commercial fisheries.

This tuna is one of the most highly-prized fish used in Japanese raw fish dishes.

Japanese began eating tuna sushi in the 1840s, when a large catch came into Edo one season.

Because the tuna are taken from the wild to the pens before they are old enough to reproduce, farming is one of the most serious threats to the species.

The school maintains two fishing vessels, one of which is the ocean-going tuna fishing ship Shōnan Maru, launched in 2005.

A further variation of bibimbap, called hoedeopbap uses a variety of raw seafood, such as tilapia, salmon, tuna or sometimes octopus, but each bowl of rice usually contain one kind of meat.

The yellowfin tuna is one of the largest tuna species, reaching weights of over, but is significantly smaller than the Atlantic and Pacific bluefin tunas that can reach over and slightly smaller than the bigeye tuna and the southern bluefin tuna.