5 Worst Invasive Fish Species скачать в хорошем качестве

5 Worst Invasive Fish Species

What are the worst invasive fish species? In this video i will be trying to that question and many others you may have about invasive fish species. An invasive species is any plant or animal that has be introduced into an ecosystem where it doesn't belong, normally having negative impacts on native animal and plant species. Invasive fish don't only endanger native fish species but they can also cause millions of dollars worth of damage. Attributions Mosquitofish images: J. Maughn https://www.flickr.com/photos/jmaughn/ David A. Hofmann https://www.flickr.com/photos/2332636... Shawn Taylor https://www.flickr.com/photos/atlnature/ Smithsonian Environmental Research Center https://www.flickr.com/photos/serc_bi... schizoform https://www.flickr.com/photos/schizof... Brown trout images: Tom Hart https://www.flickr.com/photos/thart2009/ Billy Bob Bain https://www.flickr.com/photos/astros/ Curtis Fry https://www.flickr.com/photos/fritogr... NYS DEC https://www.flickr.com/photos/nysdec/ USFWS Mountain-Prairie https://www.flickr.com/photos/usfwsmt... Michael Meiters https://www.flickr.com/photos/psychof... Grand River Conservation Authority https://www.flickr.com/photos/grandri... Joe https://www.flickr.com/photos/cmdrgravy/ otama https://www.flickr.com/photos/otama/ NOAA Great Lakes Environmental Research Laboratory https://www.flickr.com/photos/noaa_gl... Walking catfish images: budak https://www.flickr.com/photos/budak/ Kenneth Cole Schneider https://www.flickr.com/photos/rosyfinch/ Vassil https://commons.wikimedia.org/wiki/Us... Wibowo Djatmiko https://commons.wikimedia.org/wiki/Us... Northern Snakehead images: NYS DEC https://www.flickr.com/photos/nysdec/ harum.koh https://www.flickr.com/photos/harumkoh/ Smithsonian Environmental Research Center https://www.flickr.com/photos/serc_bi... Chesapeake Bay Program https://www.flickr.com/photos/chesbay... Brian Gratwicke https://www.flickr.com/photos/briangr... Bowfin images: NYS DEC https://www.flickr.com/photos/nysdec/ Petroglyph https://www.flickr.com/photos/2811311... Common Pleco images: Jean-Francois Brousseau https://www.flickr.com/photos/phrakt/ Bishoy Zak https://www.flickr.com/photos/bishoy_... Kenneth Cole Schneider https://www.flickr.com/photos/rosyfinch/ Denis Delannoy https://commons.wikimedia.org/w/index... Walking catfish Footage: vladeb https://www.flickr.com/photos/2812216... Mosquitofish footage: dangerousfishbowl    / @dangerousfishbowlchannel   Brown trout footage: jmkennedyie    / @jmkennedyie   Simon Greenwood    / Канал   banded galaxias image: Nga Manu Images NZ https://www.flickr.com/photos/1296624... Florida flag fish image: CheepShot https://www.flickr.com/photos/2375569... Our first problem invasive fish species is the mosquitofish. the mosquitofish was originally native to the southern united states and Mexico but has now been introduced into many other countries around the world. They were originally imported to help combat the spread of malaria but have now become a problem species to get rid off. Our next invasive fish species is the brown trout. Many people see the brown trout as a positive fish to have in an ecosystem as they're a popular food fish and they are also very popular with fishermen. The brown trout was originally native to continents in the united states but has since been introduced into the southern hemisphere when it continues to threaten vulnerable species of fish such as the new Zealand native galaxiids. Our next Invasive fish species is the walking catfish. The walking catfish is originally native to south east Asia but has since been introduced into places such as the USA. The walking catfish is a particular problem as its able to move from one water source to the other by "walking" across land. Our Forth invasive fish species is the northern snakehead. The northern snakehead is a tough hardy predatory fish and because of this it can have a huge impact on an ecosystem where it doesn't belong. One of the reasons why it has had such an impact in the US is because it can survive in cold water and it is also a great parent. Our last invasive fish species is the common pleco. The common pleco is originally native to south America but has become a notorious invasive species all thanks to the aquarium trade. Plecos are often sold while they are small but of course grow very large. The common pleco is a particular problem in Florida as they pester manatees and erode river banks. What do you think is the worst invasive fish species? Let me know in the comments below?