Free Tuna Essays and Papers

The allusive bluefin tuna is one of the largest, fastest and highly sought after fish in the wild sea. The Bluefin tuna can weigh over half a ton, grow to over four metres in length, and dive to depths of 1,000 metres. They can reach speeds of 70 miles an hour and even raise their body temperature far above that of the surrounding water in order to traverse arctic waters. They are among the most ambitiously migratory of all fish, with some tagged bluefin being tracked swimming from North American

Biology: The average length of a Skipjack Tuna is 32 inches long (80cm) and weigh anywhere between 7-22 pounds (8-10kg). The current record for the biggest Skipjack Tuna weighs in at 76 pounds (34.5kg) and was 43 inches long (108cm). The colour of the top region is either dark blue or purple, and the lower region including the belly are primarily a silver colour with anywhere from 4-6 dark, broken lines that run across the body (FLMNH). The body shape is elongated and possesses a fusiform shape

Dolphin Safe Tuna Tuna fishermen off the Pacific coast have been using dolphins in order to catch tuna. What occurs is fishermen set nets on specific dolphins, attempting to catch yellowfin tuna, which is found living in the same area as the dolphins. After trapping the dolphins, the fishermen simply pull them up onto the boat with the tuna and let them die. This procedure has killed nearly seven million dolphins since the 1950s. The extremely high death rate of dolphins caused the United

Research of Food Sample : Saltwater fish (Tuna) INTRODUCTION The availability of saltwater fish products in the market was depend on the coastal fishing vessels operation. One species that is widely consumed around the globe is Tuna (Thunnus sp.). Tuna is widely available both in Pasific and Atlantic ocean. The nutritional content of tuna, both bluefin tuna and yellowfin tuna according to the USDA National Nutrient Database can be seen in Table 1 (1). Fish nutritional composition is varied between

Atlantic Bluefin Tuna The Atlantic bluefin tuna, Thunnus thynnus is a sleek, fast-moving giant that once lived efficiently in the world's oceans for millions of years. This marvel of evolution has endured countless hardships of climate change, predators, and shifts in prey populations, however, nothing compares to the pressures placed on the bluefin by the fishery today. It is a species in dire need of preservation. The Atlantic Bluefin tuna cruise the coasts of the Northern Atlantic and migrate

Introduction Canned tuna quickly grew into one of the most popular seafood products in the United States due to low cost, and its source of protein; making it number two in the top ten consumed sea food products (Campling et al. 2007). Harvesting of the canned Tuna species has raised significant ecological issues and concerns related with economic and environmental sustainability (WWF n.p). Types of Canned Tuna Species There are five main commercial tuna species: Albacore, Yellowfin, Bluefin, Big

government subsidies and the widespread use of corn in american diet. Additionally, Robert Kenners documentary Food inc. he talks about how the government funds the food industries. Finally, is the video “Bluefin Tuna,” narrated by Sasha Issenberg they talk about the overuse of the bluefin tuna fish and how they are going extinct because how many are being eaten which can relate to much more that just the fish. I agree that industrial farming pesticides processed foods threatens the human race and

January 2009, a 440 lb Bluefin tuna sold for $173,000 (Keim, 2009). The average weight and size of a bluefin tuna is 770 lbs and 2-2.5 m. This high selling price reflects an irresistible incentive to catch these immense fish and sell them to the highly demanding market. Demand for bluefin tuna has grown so high that demand is starting to supersede the supply. In anticipation of resolving this problem, commercial fisheries began large-scale fishing of the tuna. Bluefin Tuna have very fast swimming speeds

that allow them to continue exercising at extremely high speeds without necessarily dying. Tunas, for example, are pelagic thunniform swimmers that have evolved these special adaptations that allow them to maintain high cruising speeds and high metabolic rates. They possess special adaptations in muscle, cardiovascular, and respiratory physiology that set them apart from many other species of teleosts. Tuna, like many lungless fish, do not possess a structure that pumps water over their gills in

The Bluefin tuna, Thunnus Thynnus, is a top predator of the oceans, and the most valuable fish in the world. David Attenborough once called it a “superfish”. Despite its Darwinian advantages commercial fisheries have exploited Bluefin for decades, and the population has fallen to an estimated 36% of its already depleted 1970 level1. Originally, fish were caught by rod and reel, one by one. During the 1980s commercial fisheries developed techniques, such as the use of long lines, drift nets and purse

The problems the world oceans are facing nowadays are as big and deep as the sea itself, ranging from acidification, and destruction of coral reefs to overfishing and the consequences of the fishing practices. Fish as such has historically been a main food, and still constitutes a steady supply of protein for many civilizations worldwide. Due to an exploding earth population, this has led to a skyrocketed demand and in its result to overfishing (Fitzgerald, 2013). The question arising here is

The consumption of Blue fin tuna needs to slow down because the Blue fin Tuna population is trending towards extinction. Accoring to “Overfishing of Blue fin Tuna: Incentivizing Inclusive Solutions,” it is estimated that 53% of tuna is exploited, while Blue fin Tuna have shown a significant decrease in the stock of reproductive Blue fin tuna by 80% since 1972 (Boon 1). By these statistics, it is clearly shown how much we take them for granted. Originally, Blue fin tuna were considered an inexhaustible

Majority of fish do not live in stagnant water because there is no flow in it. In this theory, the entire watercourse will become stagnant water when there is no more fish and living things living in the oceans and seas. Have you ever noticed that each fish we consume is becoming very valuable now? In the supermarket or market, it is very easy to find different kinds of fish. In fact, we will be shocked about the statistics and facts that the ecosystem in our ocean is being destroyed. There are 52%

brings about. The major portion of the total fish harvest consists of few fish species, which are divided into two primary groups. Pelagic species - those which live in the near-surface layers of the oceans, this include several species of herring, tuna, salmon, anchovies, pilchard, sardines, menhaden, and mackerel. Demersal species - fish that live in the near-bottom layers of the ocean, this includes cod, sole, halibut, haddock, hake, and flounder. Large catches are also made of a group of fish

fish as family, like brothers and a hope to gain respect by the constant battles he has with them. ' No flying fish broke the surface and there was no scattering of bait fish. But as the old man watched, a small tuna rose in the air, turned and dropped head first into the water. The tuna shone silver in the sun and after he had dropped back into the water another and another rose and they were jumping in all directions, churning the water and leaping in long jumps after the bait. They were circling

Throughout history, the survival of mankind has revolved around consuming and devouring anything and everything within its clutches. Whether it be hunting animals or gathering wild berries, mankind has carried its ravenous existence throughout its time on Earth. Lately an issue has risen from the depths of our history. An issue that has never been proposed as a problem thus far, but as mankind has realized with the increased desire for oil. Nothing lasts forever. Mankind as a population has grown

process for canned tuna is as follows: (i)     Problem Recognition – Consumers of canned tuna are motivated primarily by the need to satisfy their physiological need of hunger which is the most basic level of needs under Maslow’s hierarchy of needs. Problem recognition can also stem from stock-outs where consumers run out of canned tuna supplies. In addition, motivation of purchase can be marketer-induced to incite new needs/wants by introducing consumers new uses of canned tuna through the introduction

parts in watches. Cheaper oils have been found, so dolphins are not hunted for this reason anymore. Dolphins can be caught in tuna nets by accident. Since dolphins have to breath at the surface they drown in tuna nets. It is estimated that 4.8 million dolphins were killed in tuna nets from 1959 to 1972. Under pressure from animal rights activists tuna consumers will not accept tuna from canners that do not protect dolphins. Animal rights activists also believe that dolphins shouldn't be in captivity for

would be the Bluefin tuna. Bluefin tuna is a successful

of Portugal. The yield of Spain's forests is insufficient for the country's wood-pulp and timber needs. The fishing industry is important to the Spanish economy. The annual catch was about 1.5 million metric tons in 1990 and consisted primarily of tuna, squid, octopus, hake, sardines, anchovies, mackerel, blue whiting, and mussels. Mining The mineral wealth of Spain is considerable. In 1990 annual production included about 36 million metric tons of coal and lignite, 1.5 million tons of iron ore,