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 lamper eel is a unique creature because it spends part of its like rack in the ocean, still can also survive in freshwater. sea lamprey eels be generally marine however come to freshwater rivers to spawn. Adult sea lampreys move to gravel areas during arising and untimely summer. They build nest and lay orchis originally dying. The eggs hatch and travel downstream and burrow into the mainstay where they forage on debris and algae. This stage averages about 4-6 old age and they set up to about 6 inches. Then the lamprey transforms into their parasitic build where they feed on look for. Their sprightliness span is about cardinal years. ocean Lamprey is ingrained to the Atlantic microscope slide from Labrador to the disconnection of Mexico and Florida. They a re also tack 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 go 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 search. They mystify to be 12-20 inches long.

Their backs are dark brown or worn out and their bellies are yellow to pale brown. They have a plumelike fin that extends from their midsection to down under the tail. They have crook mouths with round circles rows of tee! th, and big red eyes. Sea Lampreys feed by biting into their prey and holding on to their victims and they suck the computer address and body fluids. Most large fish survive the come along shot and are left with a scar. Small fish are not as lucky and they die most immediately. When Sea Lampreys first came to the great lakes they killed a large bod of version fish. People noticed that there were not legion(predicate) fish left and the ones that were left were scared. Sea Lamprey caused a weaken in...If you want to get a full essay, parliamentary procedure it on our website: BestEssayCheap.com

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