Navigation Links
Condition of bluefin tuna in gulf of maine is declining
Date:8/23/2007

Fat Makes Tuna That Tastes Good, But These Bluefin Are Skinny

DURHAM, N.H. The quality of giant bluefin tuna caught in the Gulf of Maine has declined significantly since the early 1990s, researchers at the University of New Hampshire have found by analyzing detailed logbooks from a commercial tuna grader at the Yankee Fishermans Co-op. The findings, published this week in Fishery Bulletin, indicate potential changes in food sources, shifts in reproductive or migratory patterns, or the impact of fishing may be the cause of this decline.

Walter Golet, a Ph.D. candidate in UNHs Large Pelagics Research Lab, along with UNH research assistant professor Andy Cooper and Large Pelagics Lab director Molly Lutcavage, partnered with veteran tuna grader Robert Campbell at the Yankee Fishermans Co-op in Seakbrook, N.H. to analyze the quality of 3,082 Atlantic bluefin tuna (Thunnus thynnus). In a drawer, he had two or three notebooks with every fish he graded in the last 14 years, from 1991 2004, says Golet. Golets findings corroborated observations by fishermen, brokers and cooperative managers: Not only is the number of giant bluefin in the Gulf of Maine declining, the condition of those fish caught is of much lower quality.

Specifically, Golet and co-authors analyzed the fat and oil content and shape of the tuna. Fat content is in high demand for the market, because thats what makes the meat taste good, he says, noting that fish with well-marbled tail meat, fat in their mid-section muscle and belly, and a rotund shape can command upwards of $50 per pound on the sushi market.

Beyond the tekkamaki, however, fat content is a valuable indicator of the overall health condition of the bluefin. Highly migratory, traveling from their spawning grounds to the Gulf of Maine and possibly across the Atlantic, Atlantic bluefin have high metabolisms and energetic needs. Not surprisingly, bluefin caught in June, shortly after arriving in the
'/>"/>

Contact: Beth Potier
beth.potier@unh.edu
603-862-1566
University of New Hampshire
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Plant genes identified that can form basis for crops better adapted to environmental conditions
2. Life in deadly conditions
3. New vaccine for condition that kills 500,000 children a year
4. UF scientists test improved gene therapy method for hereditary heart conditions
5. Food-crop yields in future greenhouse-gas conditions lower than expected
6. Chronic jet-lag conditions hasten death in aged mice
7. How badger culling creates conditions for spread of bovine TB
8. Tropical forests -- Earths air conditioner
9. New online portal merges vast data on Gulf of Maine ecosystem
10. Maine Researchers Find Exceptions to Old Rules of Genetic Inheritance
11. UMaine teams with fishermen to study affects of trawling on seafloor ecology
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:4/24/2014)... New Rochelle, NY, April 24, 2014D-ribose is a ... nutritional supplement, and as a starting compound for ... of Escherichia coli to increase the ... step toward achieving more efficient industrial-scale production of ... in Industrial Biotechnology , a peer-reviewed journal ...
(Date:4/24/2014)... simple and cheap way of making a high-powered lens ... microscope. , Costing less than a cent, the lenses ... countries and remote areas. , The lens fabrication technique ... National University (ANU) Research School of Engineering, who collaborated ... Medical Research to find ways to transform the lentil-sized ...
(Date:4/24/2014)... Initial treatment for a brain infection caused by fungus could ... due to study by University of Liverpool scientists. , ... often fatal but are relatively neglected in medical research. ... Africa, Australasia and South East Asia and mainly affect people ... people a year. , The University research team has tested ...
Breaking Biology News(10 mins):Droplet lens 2Treatment for deadly yeast disease reduced to 3 days 2
... Reportlinker.com announces that a new market research report is ... Forecast to 2012 - http://www.reportlinker.com/p096440/Global-Biometric-Forecast-to-2012.html ... the fastest emerging markets for the past few years ... and the advent of new technologies that offered numerous ...
... and "Invasive Alien Species in the Caribbean Basin of Concern ... will be presented at a joint meeting between the Southeastern ... Caribbean Division of the American Phytopathological Society (APS). The ... San Juan, March 19-22, 2011, as hundreds of entomologists and ...
... To the surprisingly inventive uses for banana peels ... of house plants scientists have added purification of ... which concludes that minced banana peel performs better than ... journal Industrial & Engineering Chemistry Research . ...
Cached Biology News:Reportlinker Adds Global Biometric Forecast to 2012 2CSI and alien invaders in Puerto Rico 2
(Date:1/14/2014)... leading provider of strategic communications services to corporations and organizations preparing ... the United States and Europe , ... returning to the firm,s Washington, D.C. office. ... two years of service as Associate Commissioner for the Office of ...
(Date:1/14/2014)... 14, 2014 EquitiesIQ, a leading informational ... ALQA). Alliqua is an emerging biomedical company acquiring, developing, ... care market. , Free report download: http://equitiesiq.com/reports/alliqua/ ... seasoned management team and Board, which launched the company’s ...
(Date:1/14/2014)... BETHESDA, Md. , Jan. 14, 2014  Organovo ... institutes from the National Institutes of Health (NIH) to ... more effective treatments to patients on a faster timeline. ... Translational Sciences (NCATS) and the National Eye Institute (NEI) ...
(Date:1/14/2014)... January 14, 2014 In recent years, ... and methods in product development and promotion has led ... This mistrust, fueled by concerns about the insidious impact ... reports of spectacular fines to the world’s biggest pharmas ...
Breaking Biology Technology:Former FDA Associate Commissioner Returns To 3D Communications 2EquitiesIQ Initiates Coverage of Alliqua, Inc. 2EquitiesIQ Initiates Coverage of Alliqua, Inc. 3Organovo Announces Collaboration with National Institutes of Health 2Organovo Announces Collaboration with National Institutes of Health 3The Sunshine Act: Necessary Regulation or Unnecessary Dysregulation? New Life Science Webinar Hosted by Xtalks and IRB Services 2The Sunshine Act: Necessary Regulation or Unnecessary Dysregulation? New Life Science Webinar Hosted by Xtalks and IRB Services 3
... With the first observation of thermoelectric effects at ... transistors have a nanoscale cooling effect that reduces their ... William King and electrical and computer engineering professor Eric ... April 3 advance online edition of the journal ...
... conventional optical instruments, light cannot be focused to spot ... effects. An important approach to beat this diffraction ... an allusion to their radiofrequency counterparts. They have the ... nanometer-scale dimensions, which are orders of magnitude smaller than ...
... Diego have produced the first high resolution structure of a ... was published in a paper in this week,s early online ... of Sciences by a team of chemists headed by ... UCSD. The scientists said the ability to carry structural ...
Cached Biology Technology:Self-cooling observed in graphene electronics 2Transmission lines for nanofocusing of infrared light 2Transmission lines for nanofocusing of infrared light 3
...
RABBIT ANTI PORCINE CARBOXYPEPTIDASE B...
LabFax: Immunochemistry...
... Maker, 1. Modular system for large ... up to six lab-cast or precast ... with 18- or 24-cm Immobiline DryStrip ... gel cassettes.Innovative design simplifies loading and ...
Biology Products: