No.
the fishes body is not to eat only the inside
I like it to be about 70 degrees when I eat fish. The temperature of the fish is not an issue, other than killing any parasites in it. Many people eat uncooked fish at room temperature or cooled, or warmed a little to bring out the flavors of the fish.
Fish should be cooked to an internal temperature of 145F (63C) to ensure it is safe to eat.
Eat a hot, protein-rich meal just before bed to increase your body temperature.
Yes. Depending on the fish, but all fish can freeze if the temperature of the water reaches a certain temperature.
Fish should be cooked to an internal temperature of 145F (63C) to ensure it is properly cooked and safe to eat.
because the body saves energy by decreasing the metabolic reaction rate of oour body, thereby decreasing the temperature of the body
Well if they are pond fish, It is because of the cold weather and the cold temperature slows them down and they don't need to eat as much.
the scales cover the fish's body so it would be skin of the fish or another layer.
The job of the metabolism is to keep body temperature up, but when it's already warm the body doesn't need that much energy to maintain the body temperature. In other words, we eat less.
Whales eat krill and other fish. Fish eat other fish, depending on what type of fish it is.
Other fish will eat bits and the rest of the body will rot. Dead fish should be removed as soon as possible to avoid an excess of poisons being produced in the water by the decomposition of the body.