hold three sea littlest pet shop animals and in the other hand a flying over water toy bug and say spirits of the sea make me have a mermaid tail and collors that change and i will do what you want forever
Not really. Mermaids come from the imagination of authors and are not real. If the author wants the mermaids to reproduce then he or she would write that into the story.
The french word for sea is 'mer' (and there are similar such terms for sea in all the Latin-based languages) so the combination mermaid would mean maid-of-the-sea. This unusual construction is...