What does it mean when you dream of fish tails?

Answer 1

Dreams can use puns and word play as well as symbols and metaphors. A dream of "fish tails" might be a pun on the expression, "fish tales," meaning an exaggerated or untrue story. As such, the dream reflects your suspicion that someone has not told you the whole truth.

Answer 2

"Fish tales" are reports or stories that are exaggerated or entirely untrue. The dream suggests that the dreamer has received information that could be exaggerated or unreliable. If the question meant to refer to "fish tails," the interpretation would be very different.