It could mean that they are playing if they are just following each other but if the fish that is following the other fish and nudging on the butt, by the tail, it means that they want to create babiy fish (eggs), so both fish are opposite sexes, (female and male). Hoped that helped.
Yes. It happens regularly.
the scales cover the fish's body so it would be skin of the fish or another layer.
condensation Another question that follows: As an air mass cools to its dew point; relative humidity increases
ARMAGEDDON!
A fish which happens to be particularly large.
Another mane for 'Devil Fish' is 'Poo Fish'.
Another name for a flying fish is a Ray-Finned fish.
The fish will die.
Then the fish would swim away.
If you stab a puffer fish it will die. Nothing special happens because of the type of fish.
Finfish is another name for fish.
He deserts her.