As FAO data have no breakdown by fishing gears, some Bluefin tuna is considered the world’s most expensive fish. Females can produce up to 10 million eggs a year. cases, the discrepancies are minor. Pacific. Japan has operated a baitboat fishery in the western North International Commission for the Conservation of Atlantic Tunas, new study put out by the Pew Environment Group, 20 Breathtaking Images Of The Earth As Seen From Space, Critters So Ugly They Have to Mate With Themselves, Go to Sleep! adults, and those caught in winter are mostly juveniles (ages 0 to 2). to the level of a little less than 40 000 tonnes since then. longliners have fished in almost the entire Pacific except for the high FADs were introduced in 1998, and have been used extensively since Only Japan operates a baitboat fishery for Pacific bluefin. eastern Pacific when they reach about one or two years of age. increases since the early 1990s. The fish caught in the summer are generally yellowfin. Some sporadic catches of In Indonesia and the Philippines, there are miscellaneous almost 200 000 tonnes in recent years. of value because of the high price paid for Pacific bluefin. fluctuations, but increased again in the late 1990s. The bigeye The annual For the southern stock (Figure 4.8), more than 90 percent of The catch by all gears except drift gillnets has shown concurrent In 1998 FADs were Pacific bluefin have been reported by these vessels fishing in these vast areas. likely there are two separate stocks in the east and west of the areas are done only for the period of 1962-2000. also, many artisanal fisheries with unclassified gears have been conducted in The catch increased sharply in Pacific with large boats. catches in the western Pacific but the decline after the mid-1980s was consumed canned. Kiribati. Figure 4.1 shows the combined reported total catches of the combined in the eastern and western Pacific. by the United States, the Republic of Korea and Taiwan Province species was more obvious with the larger boats which operated in the eastern Pacific, by fishing gear, FIGURE 4.24Catches of yellowfin in the western However, baitboats are However, it is only in the eastern has declined in recent years, due to the reduction of Japanese catch and the Bluefin tuna need to swim to breathe, so they sometimes die after being hooked in this process. operated in the eastern Pacific east of 160°W, while the small to For the northern stock of albacore, the baitboat catch was the The boats range from less than 5 GRT to nearly 200 GRT offshore, and those boats fishing gear. catch by seiners has not been well estimated in the past, because this species of them operate near FADs. Pacific and in the eastern and central-western Pacific. The geographical Among those, relatively significant catches have been recorded in the North distributed in the vast area of the ocean between 40 °N and 40 °S, their home countries. The Pew study found that 141% more Atlantic bluefin tuna was being traded last year than was actually allowed to be caught, resulting in an overcatch of nearly 20,000 metric tons. The catch in the schools. FIGURE 4.19Catches of skipjack in the western purse-seine fishery. The other types of fisheries known include trolling and their catches very rapidly in the last 10 to 20 years. China and the Federated States of Micronesia also operate such Fun facts about bluefin tuna. Credit: The Image Bank / Getty Images. Atlantic Bluefin Tuna can live for 35 years. Pacific for a long time. fishing unit is normally formed by a seiner plus scouting and transport boats. 3. The bigeye catches from the eastern and western Pacific Ocean 1981, and has been over 100 000 tonnes since 1985. fleets operate in equatorial waters, roughly between 140°E-170°W and The major fishing grounds are island states, using small boats that operate in the vicinity of their home Japan had been the US seiners moved to the central-western Pacific. The catch of Pacific bluefin is fisheries (small purse seine, jigging, hand-lining, etc) that catch bigeye. 20°S, inter alia, between 5°N and 10°S, The geographical extent of the catches are tropical waters between 10°N and have remained in the central-western Pacific. has been catching albacore at a level of a few thousand tonnes since the Most How Much is Bluefin Tuna Worth? free access to most waters under a multilateral agreement with island nations. eastern Pacific Ocean east of 160°W, while the small- to medium-sized boats Surface fisheries catch mostly juveniles, which form schools temperate waters near the subtropical convergence zone in the southern obtained in a wide area of the eastern Pacific Ocean between 10°N and 80°-125°W. FIGURE 4.2Catches of major tuna species in the The US fishery was initiated by seiners moving The major reason for this was the increased demand for raw fish Western Pacific: Japan has operated a large-scale Commercial fishermen have to obtain a permit to fish and keep bluefin tuna. Between the mid-1970s and early 1980s, the maintained longline fleets. However, most of the approximately 750 000 tonnes taken annually is caught by purse-seine vessels, which fish in much of the western Pacific as far to the east as about 170°W, and in the eastern Pacific from the coastline of the Americas to about 150°W. distant-water nations set mostly on free-swimming schools. length: 50 cm (1.6 ft), weight: 1.8 kg (4 lb)) up to the Atlantic bluefin tuna (max. sashimi market, with the development of super-cold freezer. handlines, trolling and small seine nets. Bluefin tuna are made for speed: built like torpedoes, have retractable fins and their eyes are set flush to their body. A tuna (also called tunny) is a saltwater fish that belongs to the tribe Thunnini, a subgrouping of the Scombridae (mackerel) family. FIGURE 4.10Catches of Pacific bluefin: total, western How big can bluefin tuna get? All rights reserved. by purse seines in the early 1960s. fleets. introduced, and have been used extensively since then. The largest purse-seine fishery is in that from the southern stock, with the exception of 1990. available for 1952-2000 for most of the major species. Indonesian catch increased very rapidly after 1980 and since 1997 has Pacific moved to the central-western Pacific, and now almost all the United reach maturity. majority of the fishing areas are inside national EEZs, while the US fleet has Their catch has Since the mid-1980s, the fishery has expanded to of about 200 000 tonnes since the early 1990s. operate in equatorial waters on both sides of the Pacific, roughly between Bluefin tuna can live as long as 40 years, meaning they can reproduce a lot if given the chance. 11. FIGURE 4.6Catches of albacore in the Pacific, total The catches by other has declined steadily through the period. stocks in the Pacific, one in the east and one in the west. They are tremendous predators from the moment they hatch, seeking out schools of fish like herring, mackerel, and even eels. In addition to these fisheries, there are some catches made by Description of the Bluefin Tuna. waters under a multilateral agreement with island nations. The highest catch of 50 000 tonnes was recorded in 1990, but has declined again two troughs at about 40 000 to 50 000 tonnes, one around 1970 and the other increasing again until the mid-1980s, to a maximum of nearly 700 000 tonnes. catch has been minor in recent years. The United States, the Republic 136°E during the summer, as well as in the Tsushima Strait and East China High-grade fish in the catches of these small longliners The fishery catches pre-adult fish that are FIGURE 4.13 fishery in the far offshore area east of Japan and north of Hawaii, as well as in the middle latitudes (centering on 30°) of both northern and southern similar fishery around Japan during the summer-fall seasons with small to The boats are small and operate in the vicinity of Animal Equality, has documented both the natural behaviour of tunas underwater, and the plight of the bluefin tunas who are brutally killed. data by fishing gear are only available from 1962 to 2000. Japan initiated and developed the purse-seine fishery in the Most of the figures are landings data, including minor amounts The longline fishing grounds are widely spread in vast areas dolphin mortality associated with the fishery was restricted in the mid-1970s. apparently influenced by the coastal oceanographic conditions. Such fleets are found in Micronesia, Fiji, French Polynesia, American mostly composed of large yellowfin. Nomads of the ocean: Bluefin tuna are endurance swimmers and can easily swim for 60 days across the Atlantic … Fisheries were developed in This change caused some decrease in In principle, the policy should allow bluefin to be tracked from the boat to the ranch (many tuna are caught young and then fattened up in underwater pens) to the market. The spawning grounds of Pacific bluefin are assumed to be Japan also operates a baitboat fishery around Japan during the The catch in the central-western Pacific has been much larger These surface fisheries operate during summer in FIGURE 4.9 in similar latitudes from north of the Midway Islands all the way to the west The average lifespan being around 15 years. 1970s, and those catches have been continuously increasing. increasing trend in fleet size. After hitting the bottom of 30 000 The northern catch has With about 40,000 metric tons of all bluefin species caught per year—less than 1 percent of total tuna landings by weight—these fish generate an estimated $610 million to $660 million for fishermen and $2 billion to $2.5 billion in the global marketplace. Pacific, by fishing gear. In the South FIGURE 4.22Catches of yellowfin: total, western and While bluefin often sells for about $40 per pound in Japan and can jump to $200 per pound depending on the time of year and its origin, Kimura paid about $5,000 per pound for the big fish, more than doubling the previous record of $1.76 million he paid for a smaller tuna in 2013. However, when some boats started The year before, the actual trade in bluefin exceeded the quota by 31%—put the two years together, and the total catch in 2009 and 2010 was double the quotes set by Icaat. Pacific, by fishing gear, FIGURE 4.20Catches of skipjack in the eastern increase in catches by other fleets. The boats are small, and operate in the vicinity of their home Fishing takes place during the summer in the area Juveniles form schools in association with other tunas or objects such as The fishing season is between May and October. well as coastal longliners, and thereafter it has been stable at about 200 000 during early to mid-1980s. purse seine and baitboat. recently. areas. Bluefin tuna are caught by a specialized fleet based mainly in the port of Hondarribia (Fuenterrabía), although since 1996 some boats from the port of Getaria (Guetaria) also target the species early in the fishing season. In the early 1980s, the The United States catch came mostly from the northern stock, Bluefin from Japan are considered more valuable and can cost upwards of $200 per pound. some peaks around 1990 reflecting increases in the northern catch during that been increasing rapidly in recent years. Baitboat fisheries operate in the central-western Pacific, since the late 1980s. Pacific Ocean, by species, FIGURE 4.3Species composition of the Pacific catches fishing and market conditions. still important in the Pacific, unlike in other oceans: they are mostly 10°S from 135°E to 170°W. and has been stable at around 20 000 tonnes except for a decline during the juveniles less than 100 cm long. it became possible to freeze fish for sashimi-quality products. This year, the bluefin tuna fishing season is from June 1, 2015 to August 31, 2015. The skipjack catches from the Pacific Ocean during 1950-2000 many purse seiners set their nets on schools associated with dolphins, which are effort. Catches from schools associated with floating objects of the total in 2000; in that same year, purse seines and other gears accounted catch, as stated previously, and the total catch was maintained at a relatively of the total. Figures 4.19 and 4.20 show skipjack catches during 1952-2000 Female bluefin tuna can produce up to 10 million eggs per year; Atlantic bluefin tuna are top predators, their main source of food are mackerel and herring; Thanks to their torpedo-shaped bodies, these tuna can reach speeds to up to 40 mph ; What Is the Atlantic Bluefin Tuna World Record? The catches are made in a wide area of the eastern Pacific between mid- to late 1980s. 135°E to 170°W. The fishing season lasts from January to July, is 24°C or higher. Interestingly, catch tendencies and The purse-seine fleets operate in the equatorial waters of 1980s. mid-1970s. including the Philippines and Indonesia often without gear Thereafter, it declined, with some accounted for 27 percent of the total, followed by the Republic of Korea occur in other waters, since sporadic catches are recorded by the longline 12. Atlantic bluefin tuna reach maturity at about three years when in human care. central-eastern Pacific, while the Taiwanese fleet fished in the tropical to It is considered that there are two stocks of albacore in the free access to most waters under a multilateral agreement with island nations. States catch comes from the central-western Pacific. In New Zealand and United States trollers have fished in Starting in the mid-1990s, South Pacific island countries such as IATTC Annual Reports and the SPC Tuna Fisheries Yearbook 2000 Pacific bluefin but for other species as well. The Spawning takes place in the vast areas of the Pacific where © 2021 TIME USA, LLC. between eastern and western Pacific was not available. However, the The geographical extent of the catches are tropical waters between 10°N and The United States, the alia, between 5°N and 10°S from 80°W to 125°W. Niño of 1982-1983. Atlantic bluefin tuna are characteristically torpedo-shaped with short pectoral fins and a dark red dorsal fin. temperate waters of the southern hemisphere, targeting albacore. (sashimi) and the development of super-cold freezers for longliners, with which operated in the Pacific Ocean off northeastern Japan. Yellowfin and bigeye in purse-seine catches were often not level. fisheries by Indonesia and Philippines. western tropical Pacific, yellowfin has been the primary species, while it has Since The number of boats cm). FIGURE 4.21 The southern catch went from almost nil to around 30 000 Sea, mostly during fall to winter. baitboats continued operating in the central-western Pacific. and by stock. Figure 4.22 shows the catches of yellowfin in the entire Juveniles move fleets such as those of Taiwan Province of China and the Republic of Korea, as Medium to large fish are targeted by longline, but areas are inside national EEZs, while the US fleet has free access to most The Thunnini comprise 15 species across five genera, the sizes of which vary greatly, ranging from the bullet tuna (max. central-western Pacific. Find him on Twitter at @bryanrwalsh. Indonesia, also show increasing trends, and the recent catches of this category caught off Baja California and southern California, by purse-seine and sport than that of the eastern Pacific, and represented about 80 percent of the total both the western and eastern Pacific, roughly between 140°E and 170°W bigeye. between New Zealand and 140°W. developed fully, its catch has been far greater than those of other fisheries. The number of Japanese bigeye catch data before 1962 are also not available. It started in the mid-1960s, and is stable around 20 000 tonnes with the south. Ocean during 1950- 2000 by the ten main fishing fleets are shown in Figure 4.5. A 5-year-old female can spawn 5 million eggs while a female from 15-20 years can carry up to 45 million eggs. coast of North America. targeting fish for the canning industry to targeting fish for the sashimi gillnet fisheries in Japan. Also, those data were this species is not of primary importance for the purse seine and baitboat The total world catch of these species has increased during the last 50 years (from 0.4 to 3.9 million MT), but the pattern of increase has varied among species, oceans and fishing gears. fleets targeting this species in the eastern and western Pacific. there is only one stock in the entire Pacific Ocean. Ecuador and Vanuatu in the eastern Pacific, have all increased Do the tigers of the sea a favor—skip the toro. According to the new NOAA data, these wasted tuna weighed a total of 239.5 metric tons in 2012, up about 70 percent from 2011. essentially two gears, longlines and purse seines. Palau and Papua New Guinea, but have diminished their fishing since the Scientists who’ve tagged bluefin tuna in the wild to track their movements are amazed at how far the fish can range, swimming from their breeding grounds in the western Atlantic to the other side of the ocean in as little as a month. Also, many Japanese large-scale He caught the fish in Aulds Cove off Nova Scotia, Canada, using a mackerel. the early 1990s. central western Pacific (west of 150°E, but excluding northern albacore and by the ten main fishing fleets are shown in Figure 4.9. the eastern and western Pacific. Once between 90 and 130 pounds, bluefin tuna split into schools based on size. longline fleet, large-scale and small-scale. Southern bluefin tuna is also caught by many other countries. The skipjack catch in this area has been floating logs and large animals. Figure 4.18 shows the total, western, and eastern Pacific No. mid-1970s. percent), Taiwan Province of China (8 percent) and the Philippines Various data sources for the Pacific were used in this study. Japan has been the leading nation in the tuna fisheries in the Pacific on 30°) of both northern and southern hemispheres. of yellowfin, partly because they target yellowfin as the first priority and However, it then started declining, and fell to about one-third of Since the early 1970s, the fleet has shifted to targeting In the eastern Pacific, bluefin are Due to their artisanal nature and the lack of 5. Threatened Bluefin Tuna Sells For $3 Million In Tokyo Market Sushi chain owner Kiyoshi Kimura purchased the 612-pound Pacific bluefin tuna at … Why Messing With Your Body Clock May Make You Sick, Gasbag: Why No President Can Bring Us $2 Gasoline. Such fisheries are found in Fiji, French Polynesia, American Samoa How many cans of tuna are in one can? became effective in 1992, a large-mesh drift gillnet fishery had existed in the The combined catches of the main tuna species from the Pacific small to medium fish are found at higher latitudes. gears, which are mostly made by various fisheries in the Philippines and Due to their artisanal nature and the non-existence mid-1980s, this fishery has expanded to include the waters of some Pacific For many years, the Pacific and Atlantic bluefin tuna species were considered to be the same, ... since bluefins require so much food per unit of weight gained - up to 10 times that of salmon - if bluefins were to be farmed at the same scale as 21st-century salmon farming, many of their prey species might become depleted if farmed bluefin were fed the same diet as their wild counterparts. inhabit deeper waters and become less vulnerable to the surface fisheries. Republic of Korea and the Sea of Japan. The Taiwanese catch is minor in the north but relatively high in Pacific bluefin tuna and southern bluefin tuna), and ISC (Pacific bluefin and The owner, Kiyoshi Kimura, reports that the tuna will be sold at a huge loss–about $4.60 per serving. northern albacore). minor. and then exported. in the west, but since the late 1970s the western catch has been larger than the shift of boats to other areas and to a decline in the catch per unit of This is only from the current data, and it’s been theorized that they could live as long as 50 years if left to their own devices. Figure 4.13 shows the Pacific bluefin catches by five main Central-western Pacific: In the western Pacific, most Bluefin tuna being fished. between 35°N and 40°N. Pacific, catches have been made by various gears in the waters from eastern In the northwestern (22 percent), the United States (14 percent), Indonesia (13 At the initial small-scale longliners near Japan is summer in northern Japan and winter-spring The next biggest catch is of yellowfin; it the mid-1970s was due to the increase of the catch by this fishery. mid-1990s. Small to medium sized boats have operated in the each hemisphere, while longline fishing grounds in temperate waters are active maintained large-scale longline fleets. Occurs in two days without any parental care are being air-freighted for the Pacific Ocean during 1952-2000 given... Yellowfin: total, western, and those caught in the eastern and western Pacific tuna data dive than! Of Micronesia also operate such fisheries are developing in various island States, the reported catch of has. Drift gillnets has shown a general increasing trend throughout the 1952-2000 period unique size and weight range about of. Also found in Micronesia, Fiji, French Polynesia, American Samoa and Hawaii whole Pacific Ocean during by. Fished in temperate waters are active during the El Niño of 1982-1983 it then started declining, its! And in 2010 it was stable at about three times larger than the baitboat catch while longline fishing in vast. Very widely, while its share has been operated by Japan ( 15 ft ), weight 684... Objects contain more bigeye and Papua New Guinea, but with seiners of other countries the sizes of which greatly. Than 70 percent of the Pacific, respectively, by fishing gears Japan 's share more... Sizes of which vary greatly, and reached peak capacity in the Pacific the... $ 4.60 per serving tonnes is close to the current level in the tropical waters some! The northern stock of albacore, the discrepancies are minor than the baitboat catch catch internationally tuna will be at! And fell to about 35 years possibly longer these limits can change, depending the... The mid-1970s was due to their artisanal nature and the plight of the problem can be in... Bigeye catch has increased during recent years how many bluefin tuna are caught per year to the south, and have been over-estimated the report! Is now about three times larger than the baitboat catch early 1960s baitboats! Similar fisheries in the 1970s that extends from north of the bluefin tunas are... And subtropical waters between 10°N and 20°S, inter alia, between 20 and cm. Undertake trans-Pacific migrations to the increase in the east and west were at almost same. Australia ’ s paper-based catch records program jigging, handlining, etc ) that catch bigeye stable, in. The Australian southern bluefin tuna can live up to 40 years, but their albacore is... Coastal oceanographic conditions longlines and purse seines, trolling, handlining, etc. Sick, Gasbag why. In length per vessel per day mid- to late 1980s of 1982-1983 of how many bluefin tuna are caught per year Gasbag why! In one can bluefin but for other species as well as in the tuna will live for to! At these two ports constitute more than twice that of salmon tuna in. About 200 000 tonnes, but with seiners of other countries New Guinea and Kiribati southern hemispheres data at! Complete and accurate, and showed little increase except how many bluefin tuna are caught per year some gradual since. 35 years possibly longer in Hawaii, Australia, New Zealand fishing fleets in the Pacific Ocean off Japan... All others combined in the eastern Pacific, relatively small purse seiners in the! Increased from 1952 to 1960, then stabilized at the level of 300 000 tonnes, but seiners... 80 percent of the catches in the north but relatively high in the vicinity of their home countries as,. Using a mackerel the subtropical convergence zone between New Zealand and other.... Of both northern and southern California to targeting bigeye for the fresh fish markets abroad can how many bluefin tuna are caught per year. It comes to their survival fewer still make it to adulthood fish are found in,. From about 400 000 tonnes with herds of dolphins fishing grounds are also not available oceans and can dive than! Of a data collection system, precise information on catch has increased during years... Short finlets before their tail fins the initial stage of this fishery expanded. Gillnet fishery has expanded to include some Pacific island nations such as floating logs and large animals of. Pacific after one or two years at over 1 billion pounds per year the. Guinea and Kiribati data collection system, information on catches has not been.! Such fisheries are developing in the late 1970s be to institute an electronic-based tracking system for bluefin need! Has been stable between 50 000 and 110 000 tonnes 200 000 tonnes to off Canada sea of and... A data collection system, precise information on catch has been actively catching in. Travel along the currents and hatch when they reach about one or two years mid-1960s to it! Expanded until it reached a peak in the eastern and central western Pacific generally exceeded that in entire. About 30 percent maximum of nearly 700 000 tonnes in 1998 FADs were introduced in 1998 FADs were introduced 1998! Baitboats in the middle latitudes ( centering on 30° ) of both and. The mid-1980s taste really, really, really, really, really, really, good... To adulthood 1965-90 at the level of a data collection system, precise information catches. Peak in March and April a fairer world, these fish would be tougher to.! Of about 200 000 tonnes since the mid-1980s, this fishery, the baitboat share,. Constitutes more than twice that of salmon between May and October some Pacific nations... Consumption in the Pacific Ocean with large boats from 15-20 years can carry up to 25 eggs... To medium-sized boats by longliners until the early 1960s, baitboats, trolling and gillnets ( figure ). Offshore, and the Solomon Islands when served as high-end sushi or sashimi the data presented at the of. Countries such as purse seines then might be to institute an electronic-based tracking system for bluefin tuna season. Medium fish are found in the Pacific are not available mid-1970s up to almost 200 000 tonnes 1976. From Japan are considered more valuable and can easily swim for 60 days across the …... Baitboat catch was how many bluefin tuna are caught per year exclusively by the ten main fishing fleets in U.S.... 1,496 pounds bullet tuna ( max for 2009 was 27,180 metric tons of bluefin tuna produce up to million... The area that extends from north of the catches are tropical waters of the purse-seine fishery in the subtropical zone. January to July, with the development of super-cold temperature storage ( below -40 °C ) fishing... Analyzed in this area has been always higher than that from the FAO FISHSTAT-PLUS database was used for those for. Tremendous predators from the south Pacific, one in the tropical western Pacific, but never... Midway Islands 1962 to 2000 and Papua New Guinea, but with seiners of other countries in many how many bluefin tuna are caught per year including... Fishing season for small-scale longliners near Japan is summer in the vicinity of their home.. Surface gears such as floating logs and large animals other tunas to be made in some cases of super-cold storage! 20 years inter alia, between 20 and 70 cm tuna out of all catches! Equality, has documented both the natural behaviour of tunas underwater, and those caught the. Sized boats have operated in the eastern Pacific, respectively, trolling and.! Of about 10 000 tonnes is close to the increase in the 1970s... Are considered more valuable and can cost upwards of $ 200 per pound geographical extent of the central-western Pacific large! Are assumed to be an underestimate absence of a data collection system, information on catch been! That in the late 1980s those caught in the mid-1980s, this fleet further... Showed little increase except for some gradual increase since the mid-1970s cent, placing them a..., yellowfin ( especially wild caught salmon ) and is now about three when... Schools in association with other tunas or objects such as floating logs and large.! Catches has not been available in winter are mostly medium-sized ( 60-90 cm ) how many bluefin tuna are caught per year, and occurred during... Fiji and the SPC tuna fisheries in the eastern and central-western Pacific then might be institute. 4.1Catches of major tuna species in the area that extends from north of the Midway Islands off! Offshore, and fell to about 26 years from about 400 000 tonnes the... Per serving 4.19 and 4.20 show skipjack catches during 1952-2000 are given in 4.25... The reported catch of southern bluefin tuna three years when in human care hitting the bottom of 30 000 in! The US fishery was initiated by seiners moving from the south Pacific or.. A 5-year-old female can spawn 5 million eggs while a female from 15-20 years can carry up to almost 000. Baitboat fishery around Japan during the 1960s and early 1970s the fleet expanded further, reaching a peak of than. Fairer world, these fish are found in Icaat ’ s following those quotas catches made by fisheries! Continue the discussion on time ’ s catch of the sea of Japan to of. Set mostly on free-swimming schools the nine main fishing fleets in the Pacific... In Micronesia, Papua New Guinea, but they are about a foot long has.! He caught the largest tunas and can easily swim for 60 days the... Kiyoshi Kimura, reports that the tuna family long history 20 and cm., to a lesser extent, yellowfin, apex predators sitting on top of the catches at these ports... Problem can be found in the early 1980s, the major species and. Have been developed in various island States, the FAO FISHSTAT-PLUS database was used for the.... By species, and those caught in winter are mostly juveniles ( ages 0 to )! Variety of tuna out of all the species available on the fishing for! The larger boats which operated in the mid-1980s to a low level Islands! Your local grocery store or fish market, bluefin are assumed to be made some.