Blue Marlin

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Biology Project 108

Transcript of Blue Marlin

  • 1. BLUE MARLIN By Shon Wiles

2. TAXONOMICAL INFO Kingdom Family Animalia Istiophoridae Phylum Genus Chordata Makaira Class Species Actinopterygii Makaira nigricans Order Perciformes 3. PHYSICAL APPEARANCEBelly: silvery white Top: Cobalt BlueUpper Jaw: Elongated Spear Tail: Cresent-shapedDorsal/Anal Fins: Pointed Lateral Line: InterwovenMax Length Male: 368 cm. Max Length Female: 626 cm. 4. LIFE FACTS Rapid growth for a few years. Age 2 (males) and Age 4 (females) - sexual maturity Highly fertile 500K to 55M eggs per spawn Age Weight Estimated maximum age is greater than 20 Seafood Watch - cite 5. REPRODUCTION Female releases eggs, Male releases sperm Fertilization happens in open water Eggs float with the current Eggs hatch into larvae two days after fertilization No parental care High mortality 6. FEEDING Hunt during the daytime Alone Use of bill (slice/stun) Prey Octopi Squid Blackfin Tuna Frigate Mackeral 7. CONSERVATION Decreasing Population High vulnerability of extinction from fishing Low survival rate when released Required billfish release if within 200 miles of U.S. coastline Longline Fishing Caribbean Region Over 1k tons taken by Japanese and Cuban fisherman 8. THREATS Longline Fisheries Parasites 73% incidental landings Digenea (flukes) Swordfish Fisheries Didymozoidea (tissue fluke) By-catch Monogenea (gillworms) Big Game Recreational Fishing Cestoda (tapeworms) Nematoda (roundworms) Predators Acantheocephia (spiny- Carcharodon carchariashead worms) (white shark) Copepods Isurus oxyrhinchus (shortfin mako) Barnacles 9. FAST FACTS Highly Migratory Largest Pacific 1,376 lb. May 31, 1982 Kaaiwai Point, Kona Largest Atlantic 1,402 lb 2 oz. Feb 29, 1992 Vitoria, Brazil Rumored 3,000 lb get-away Most fish over 300 lb - female 10. WORKS CITED Anatomy of the Blue Marlin. Blue Marlin 3 Charters Sport Big Game Fishing Hochsee Angeln Sportvissen Puerto Rico Gran Canaria. Web. 7 Oct 2011. http://www.bluemarlin3.com/tbf/anatomy-bluemarlin.php. Blue Marlins, Blue Marlin Pictures, Blue Marlin Facts National Geographic. Aniamals Animal Pictures Wild Animal Facts Nat Geo Wild National Geographic. Web. 9 Oct 2011. http://animals.nationalgeographic.com/animals/fish/blue-marlin. "Blue Marlins, Makaira Nigricans at MarineBio.org." MarineBio.org - Marine Biology, Ocean Life Conservation, Sea Creatures, Biodiversity, Oceans Research... Web. 27 Nov. 2011. http://marinebio.org/species.asp?id=386. FLMNH Ichthyology Department: Blue Marlin. Florida Museum of Natural History. Web. 8 Oct 2011. http://www.flmnh.ufl.edu/fish/gallery/descript/bluemarlin/bluemarlin.html. Makaira Nigricans Lacepede, 1802. Iucnsis.org. Species Information Service. Web. 9 Oct 2011. https://sis.iucnsis.org/reports/draft/170314_0?empty=false&limited=true. Mazurek, Robert, and Jesse Marsh. "Seafood Watch - Seafood Report -Blue Marlin - Striped Marling - Hawaii Region." Monterey Bay Aquarium. 25 Apr. 2008. Web. 15 Oct. 2011. http://www.montereybayaquarium.org/cr/cr_seafoodwatch/content/media/MBA_SeafoodWatch_HIStripedBlueMarlinReport.pdf. "The Biggest Marlin Ever Caught." Marlinmag. Ed. Staff. Bonnier Corporation, 07 Dec. 2010. Web. 25 Nov. 2011. http://www.marlinmag.com/species/fish- species/biggest-marlin-ever-caught. "Understanding Marlin Reproduction." LahainaNews.com | News, Information, Lahaina and Western Maui, Hawaii Lahaina News. Web. 27 Nov. 2011. http://lahainanews.com/page/content.detail/id/500184/Understanding-marlin_reproduction.html?nav=21.