Neves

183 views
158 views

Published on

Published in: Education
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
183
On SlideShare
0
From Embeds
0
Number of Embeds
4
Actions
Shares
0
Downloads
1
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Neves

  1. 1.  A sea lamprey is a parasitic, eel like fish that is gray-blue on its back and silver white underneath. It is from 30.48 - 50.8 inches long. And it has a tooth lined, disc shaped mouth.
  2. 2.  Itentered Lake Ontario through the St. Lawrence River.
  3. 3.  Atlantic Ocean and the Mediterranean Sea.
  4. 4.  Thesea lamprey sucks the blood out of certain fish like the lake trout. This reduces the population of many important affected native fish.
  5. 5.  There has been a massive invasion of the Great Lakes since the Welland Canal opened in 1929. The populations of lake trout and other important game and commercial fish has been drastically reduced. This affects a multi-billion dollar industry. Efforts to reduce sea lamprey populations have been successful, allowing for successful efforts to restore lake trout. However, sea lamprey populations are increasing again.
  6. 6. • Male sea lampreys need to be trapped and sterilized• And you could use lampricides to kill lamprey larvae,
  7. 7.  http://www.iiseagrant.org/NabInvader/g reat_lakes.html
  8. 8.  I feel bad about all of the native animalsand plants that are being destroyed.

×