Could. It is...eh, complicated. [SIGH. She's gone over it enough times she honestly just doesn't know who knows what at this point.]

Tail can be removed, yes. Every mermaid who has gone on their journey knows how-- or, most do. [Whatever details don't matter] But, have to keep one scale from tail in order to put tail back. My scale was stolen. But, that man gave it back. Or, one similar enough.

[Oona tilts her head, frowning lightly at him] ...You are sure you are alright? You are taking everything too well. It is strange.