Samanoid species of fish in great lakes?

There are no "Samanoid" species of fish in the Great Lakes. It's likely you are referring to the Salmonidae family, which includes fish like salmon, trout, and char.

Here are some Salmonidae species found in the Great Lakes:

* Lake Trout (Salvelinus namaycush): Found in all five Great Lakes.

* Rainbow Trout (Oncorhynchus mykiss): Introduced to many Great Lakes tributaries and some lakes themselves.

* Brown Trout (Salmo trutta): Introduced to some Great Lakes tributaries and some lakes themselves.

* Atlantic Salmon (Salmo salar): Introduced to several Great Lakes tributaries, but not a natural inhabitant of the lakes themselves.

* Chinook Salmon (Oncorhynchus tshawytscha): Introduced to the Great Lakes in the late 1800s and are now a significant fishery.

* Coho Salmon (Oncorhynchus kisutch): Introduced to the Great Lakes in the 1960s and are a popular sportfish.

If you are looking for information on a specific fish, please clarify the name.