Posted by dgray21 | Posted in Science | Posted on January 16, 2019
The Sea Lamprey have been invading the great lake food chain and the trout, causing their population to decrease. The trout have been continuously lowering ever since the Sea lamprey came to the great lakes attached to those boats according to the article. It’s been going on for about 10 years now.
When we dissected we found millions of razor-sharp teeth. I took one out and examined it with a magnifying glass. The teeth are very sharp, like tiny buzz saws. I almost touched one! Eek! This shows how they can eat any fish without getting killed by anything. The average amount of teeth is 60! Using those razors it can bite through almost anything. The lamprey uses their teeth to chomp into the side of the trout and then eats all of the insides of the fish. This can help them get food for their kin. The lamprey can stay on a trout for hours, sucking the insides of it.
The Lamprey’s eggs are very tiny. However, they have 60 to 100,000 causing reproduction very often. All of this can show that the lamprey can reproduce and cause to invade even more. Using this information can show you that the more sea lamprey there is the less trout there is. With the amount of Sea lamprey towering over the trout population, the trout is in danger of extinction in the Great Lakes
Sea Lamprey looking at the shape looks like it swims very fast. Using these abilities, the lamprey can swim and chomp
through anything in its way. Using its fin and wiggling its body it can soar through the waters. They are called S-Swimmers. Meanwhile, the trout are different swimmers. The trout use their fins and body to push themselves and gain momentum. They are Half-Body swimmers Other lampreys (Otherwise known as native) do not have a record for invading anything. Sea lamprey needs the most food, therefore, eating the trout. The sea lamprey has no predators allowing it to eat all the other fish. The lamprey is very fast causing them to be faster than the trout. This causes them to be able to chase a trout and always catch it.
The internal parts of the fish were very important to its processes. It had lots of long thin tissue. It was a little hard but we found some intestines, a heart, and other things. The most interesting thing I saw was how small of a stomach it has compared to how big of an appetite it eats! There was a long string of intestines that looked like almost human, intestines. This means that the lamprey is lighter and quicker,
Which would make it able to chase the trout because of their speed.
