The lionfish

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    23-Jun-2015
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Transcript of The lionfish

  • 1. ThelionfishBy Mathilde Sezanne 1

2. SummaryI. IntroductionII. A dangerous predatorIII. Invading the US Atlantic coast2 3. Introduction also called turkey fish, dragon fish and scorpion fish. native to the reefs and rocky crevices of the Indo-Pacific. invades the US South Atlantic coast The Indo-Pacific3 4. Average length: 1 foot (0 .3 meters). Average life span in the wild: Up to 15 years Popular as food in some parts of the world Prized for aquarium trade. Lionfish inhabit coral reef from about 30 to 165feet deep. 4 5. A dangerous predator The lionfish belongs to the Pterois group: he has long, slenderspines with small venom glands and a less potent sting The lion fish is not poisonous, its venomous.5 6. A dangerous predator If attacked, a lionfish delivers a potent venom via its needle-like dorsal fins. It relies on camouflage and lightning-fast reflexes to captureprey, mainly fish and shrimp. When on the hunt, Lionfish willcorner their prey using their large fins and then suck thevictim down.6 7. 7 8. How does it sting? 8 9. Medical treatment You need to immerse the affected part in hotwater for about 30 minutes. Lionfish toxins,which are proteinaceous in nature, are degradedand denatured by heat. Hospital treatment is then used to decrease thepain and monitor for allergic reactions. Medicalanalgesia, removal of spines, administration ofprophylactic antibiotics, and tetanusimmunization are the mainstays of treatment. 9 10. The invasion Population densities continue toincrease in the invaded areas, resultingin a population boom of up to 700% insome areas between 2004 and 2008 The fact that lionfish are able toreproduce monthly throughout theentire year means that this is an effortthat must be maintained monthly forthe maintenance of current populationdensities.10 11. The invasion Not only are they voracious predators that out-competemany other species for food resources, but they alsohave few known natural predators of their own. 11 12. Thank you for your attention 12