Why do the salmon huddle in the corners of the tank?
Maybe it is because they don't like all the loud noises that people make.
Or is it because they want to keep warm and trying to
sleep.
Their yolk sacs are their main source of food while they are
still young. It weighs them down when they try to swim to the top
of the tank. It also gets smaller as they grow. One of the salmon
only has a drop of yolk in the sac.
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