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Understanding Fisheries: Essential Information on Edible Fish and Sustainable Fishing Methods

This guide provides a comprehensive overview of fisheries, focusing on edible fish, essential species, and various fishing methods. It covers types of fish such as pelagic fish, demersal fish, crustaceans, and mollusks, highlighting their importance in human diets. The document also discusses by-catch and the environmental implications of different fishing gear, including hook and lining, traps, longlining, trawling, purse seining, and gillnetting. For those interested in sustainable practices, it offers insights into the benefits and costs of these methods.

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Understanding Fisheries: Essential Information on Edible Fish and Sustainable Fishing Methods

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  1. Fisheries: Basic Information

  2. Fish that humans like to eat sometimes • From the top of the ocean to the bottom we have: • Pelagic Fish • Demersal Fish • Crustaceans • Mollusks Images from: http://cars.er.usgs.gov/Fishes_of_Isla_del_Coco/Release_Aug_2__2000/tuna.jpg; http://www.hoodsportndive.com/images/Ling%20cod%20w%20eggs-retouched.JPG; http://www.vifishandwildlife.com/Education/FactSheet/Images/Lobster.jpg; and http://www.newsday.com/media/photo/2003-03/6967347.jpg

  3. By-catch By-catch is the term for “non-target” fish and other marine animals accidentally caught by fishing gear

  4. Types of fishing gear used in U.S. fisheries

  5. Fishing Methods • To give you a sense of fishing methods I will show you a slide show of images. • To “take notes” I recommend the following: • List the method • Briefly describe the method • Hypothesize benefits and costs of the method, especially focusing on environmental benefits and costs

  6. Hook and Lining • Images from: http://aging.als.uiuc.edu/2002%2007%2001%206.GerardDurand%20fishing%20@%20Cedar%20Springs,%20VA.jpg and http://www.montereybayaquarium.org/cr/cr_seafoodwatch/sfw_gear.asp

  7. Traps and Pots Images from: http://www.montereybayaquarium.org/cr/cr_seafoodwatch/sfw_gear.asp and http://www.nefsc.noaa.gov/faq/images/loboat1.jpg

  8. Longlining Images from: http://www.montereybayaquarium.org/cr/cr_seafoodwatch/sfw_gear.asp; http://collections.ic.gc.ca/stgeorges/longLining.gif; http://www.seaswap.info/background/longlining.html; and http://www.photolib.noaa.gov/fish/images/big/fish0832.jpg

  9. Trawling/Dragging Images from: http://www.montereybayaquarium.org/cr/cr_seafoodwatch/sfw_gear.asp; http://www.mcbi.org/DSC_statement/trawler%20in%20Olympic_large.jpg and http://www.savethehighseas.org/gallery/gpbottomtrawlertasman355.jpg

  10. Purse Seining Images from: http://www.montereybayaquarium.org/cr/cr_seafoodwatch/sfw_gear.asp; http://www.igb-berlin.de/abt4/mitarbeiter/Mehner/pictures/bild2.jpg; and http://www.photolib.noaa.gov/fish/images/big/fish0768.jpg

  11. Gillnetting Images from: http://www.montereybayaquarium.org/cr/cr_seafoodwatch/sfw_gear.asp; http://www.hbu.cas.cz/fishecu/gillnetting.JPG and http://www.state.tn.us/twra/fish/Reservoir/fishcomsurv/gillnetting2.jpg

  12. In North Carolina… “the most important fish in the ocean” • http://www.washingtonpost.com/national/health-science/as-an-essential-atlantic-fish-declines-experts-debate-course/2011/07/29/gIQAC3vNmI_story.html • http://www.northcarolinasportsman.com/printer_friendly.php?id=1391

  13. For more information: http://www.montereybayaquarium.org/cr/cr_seafoodwatch/sfw_gear.asp http://www.oceanconservancy.org/news-room/aquaculture/oc-testifies-offshore-aqua.html

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