Not necessarily as lots of snails float from time to time. Pick it up and touch the foot with your finger and see if it reacts.
It is either well trained or dead.
Dead or dying
Because your goldfish is dead.
Signs that a fish is dead include floating at the top of the water, lack of movement, cloudy eyes, and a lack of response to stimuli.
They need it for when they come on top of the water
Fish do not normally "float around" they swim. If your fish is floating/sinking then it is probably dead.
It was formed by dead fish floating to the top to make an island.
Its Dead. When it floats up and the gills are not moving and breathing for sure it is dead
The stuff floating on top of boiled water is usually foam or impurities that rise to the surface during the boiling process. This can indicate the presence of contaminants or minerals in the water. It is important to skim off this floating material to ensure the water is clean and safe for consumption.
Install a floating pool skimmer
ice floating on top of water because water has more density than ice.
The floating stuff on top of boiled water is usually foam or impurities that rise to the surface during the boiling process. It is not harmful to consume, but removing it can improve the appearance and taste of the water or food being boiled.