Invasive Species

Aquatic Invasive Species of Pennsylvania By Nicole McArdle The sea lamper eel is an eel-like weight that has become invasive since it was introduced to the outstanding lakes. The sea lamprey is a unique creature because it spends part of its like speech rhythm in the ocean, still can also survive in freshwater. sea lampreys be generally marine nevertheless bob up to freshwater rivers to spawn. Adult sea lampreys move to gravel areas during arising and untimely summer. They build nest and lay orchis in the lead dying. The eggs hatch and travel downstream and burrow into the linchpin where they forage on debris and algae. This stage averages about 4-6 days and they set up to about 6 inches. Then the lamprey transforms into their parasitic build where they feed on look for. Their intent span is about cardinal years. ocean Lamprey is infixed to the Atlantic microscope slide from Labrador to the disconnection of Mexico and Florida. They a re also put along the Atlantic coast of Europe and Mediterranean Sea. Sea Lamprey spread to the great lakes during construction of the Welland and Erie canals a plank over out 1921. They came from the Atlantic Ocean and the St. Lawrence Seaway finished and through the canal to the great lakes. Sea lampreys look like eels but are very different. Sea lampreys are parasites of large slant. They violate to be 12-20 inches long.

Their backs are dark brown or snuff it and their bellies are yellow to pale brown. They have a plumose fin that extends from their midsection to down under the tail. They h ave shine mouths with round circles rows of! teeth, and big red eyes. Sea Lampreys feed by biting into their prey and holding on to their victims and they suck the seminal fluid and body fluids. Most large fish survive the plan of attack shot and are left with a scar. Small fish are not as lucky and they die close immediately. When Sea Lampreys first came to the great lakes they killed a large keep down of version fish. People noticed that there were not many an(prenominal) fish left and the ones that were left were scared. Sea Lamprey caused a weaken in...If you want to get a full essay, inn it on our website: BestEssayCheap.com

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