That depends on the time of the year, in the winter nearly all freshwater lakes are frozen, most rivers with the exception of the fast moving ones (the rivers never completely freeze). Even the bering sea has Sea Ice. But, in the summer many lakes in Alaska can get up in to the 70s.
Depends on which ocean, and at which depth.
Oh no. Alaskan crab fishermen call it a "loss" when they lose a crab pot. Best to lose a crab pot than risk a life in the cold waters in Alaska.
No, they do not.
Yes.
Snow and Cold as heck
Different species of starfish can be found in warm, cold, and temperate waters.
they live in cold waters. sometimes though they tend to prefer it if the heat of the water is lukewarm.
This depends entirely on the location and the season. In the north, the waters are warm all year around. In the south, the waters are very cold in winter.
they come from the colder waters on the bottom of the oceans
no, they swim over warm and deep waters sometimes
warm waters in the summer cold waters in the winter
One can book a fishing vacation to Alaska from numerous websites. Salmon fish is found in abundance in Alaskan waters. One can contact a travel agent and get discounts for booking in advance.
The most plankton rich areas in the world are in the icy waters of Antarctica.