Thunnus Essays

  • Research On Tuna

    1708 Words  | 4 Pages

    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

    1731 Words  | 4 Pages

    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

  • Where Does the Responsability of Consreving Ocean Life Lies

    694 Words  | 2 Pages

    Going to a Japanese restaurant for Bluefin tuna sushi or a fish and chip restaurant for Atlantic cod is a luxury that many people enjoy. However, these consumers may not know that they are eating endangered species. Do consumers put too much trust in the government and fisheries? Should they pay more attention to the source of their food? This essay will address the issue of where the responsibility of conserving ocean-life lies. The responsible parties are national governments, fisheries, and consumers

  • When Economic Incentives Overshadow Moral Reasoning: Bluefish Tuna

    1826 Words  | 4 Pages

    When economic incentives overshadow moral reasoning, people often disregard, or temporarily repress moral arguments, and eagerly turn toward the economic incentives. In 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

  • The Importance of the Ocean

    1249 Words  | 3 Pages

    How important is the ocean? Plants that grow in the ocean produce half the oxygen all of the world’s population needs to survive (The Nature Conservancy, 2014). The Carbon dioxide the body releases is also absorbed by the ocean’s waters (The Nature Conservancy, 2014). Medicine that is used to fight cancer and cure disease is formulated from ingredients from the ocean (The Nature Conservancy, 2014). Not only does the ocean keep the people of the world healthy but it accounts for 128 billion dollars

  • Essay On Overfishing

    957 Words  | 2 Pages

    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

  • Ecological Concerns Caused by the Canned Tuna Industry

    1728 Words  | 4 Pages

    information regarding the biological species, habitat, trade name, fishing methods and their related advantages, disadvantages and the sustainability of the various canned tuna species. Albacore Tuna The scientific name for the Albacore tuna is the Thunnus Alalunga. It is typically a large fish, ranging at approximately 4 to 5 feet in length and weighs roughly 80-90 pounds. It is metallic, identified by a dark blue color running along its topside and a silvery white strip marking the sides of its belly

  • Outdoor Tourism Essay

    1104 Words  | 3 Pages

    For example, northern Bluefin tuna (Thunnus thynnus) has been documented in ocean waters ranging from 2.8to 30.6°C, while maintaining relatively constant internal body temperatures (~25°C)- up to 21°C above ambient temperatures (Block et al., 2001). In addition to water temperature, factors

  • Sustainable Seafood Week Case Study

    1199 Words  | 3 Pages

    oysters, jig-caught squid, mature cuttlefish, trapped spanner crab (curacha, Ranina ranina), mangrove forest-raised tiger prawns (Selva Shrimp, Penaeus monodon), and handline single-hook caught mahi-mahi (dorado, Coryphaena hippurus), yellowfin tuna (Thunnus albacares), and narrowbarred Spanish mackerel (tangigue, Scomberomorus commerson). True to its commitment, information on these seafood species, including where and how they were caught or produced, could be found in every booth, table and corner

  • The Benefits Of Bluefin

    1608 Words  | 4 Pages

    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

  • Endocrine Disrupting Chemicals (EDC’s) and the Environment

    2636 Words  | 6 Pages

    INTRODUCTION The endocrine system of animals is a main source of bioregulatory compounds. Hormonal actions regulate all aspects of animal life: reproduction and development, digestion, metabolism, behavioural responses etc. (Hertenstein 2006, Norris 2007). Hormones and glands of vertebrate and invertebrate endocrine system differ in structure and function, but their main regulatory role remains conserved. However, the balance among the environmental clues, hormonal signals and organisms’ responses