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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.
What else can I help you with?
Can a fish get eaten by another fish then get eaten by a shark?
Yes. It happens regularly.
What happens if fish loses its scales?
the scales cover the fish's body so it would be skin of the fish or another layer.
What happens when air has reached its dew point?
condensation Another question that follows: As an air mass cools to its dew point; relative humidity increases
What is a large fish?
A fish which happens to be particularly large.
What happens if you feed a fish a fish finger?
ARMAGEDDON!
What is another name for devil fish?
Another mane for 'Devil Fish' is 'Poo Fish'.
What is another name for flying fish?
Another name for a flying fish is a Ray-Finned fish.
What happens if you scream at a fish?
Then the fish would swim away.
What happens when you don't take care of a fish?
The fish will die.
What happens if you step on a lionfish?
If you stab a puffer fish it will die. Nothing special happens because of the type of fish.
What is another name for fish?
Finfish is another name for fish.
What happens when beta decay occurs?
Alpha rot follows.
