First attested in the United States in _Keziah_ by J. C. Lincoln, the proverb is found in varying forms: There are plenty more fish in the sea; There are more fish in the sea than ever came out of it; The sea is full of other fish; Theres more than one fish, etc.

When someone says there are plenty more fish in the sea?

—used to say that there are many more people available for a romantic relationship I know youre sad because you and your boyfriend broke up, but hes not the only fish in the sea. Youre right. There are many/plenty more fish in the sea.

Is there really plenty of fish in the sea?

used to tell someone whose relationship has ended that there are many other people that they could have a relationship with: Dont cry over Pierre - there are plenty of fish in the sea!