Is there any mermaid games on ds অথবা dsi ?

Well the only ones there are is...
Dora the Explorer: Dora Saves the মৎসকুমারী [Nintendo DS Game]
Disney's The Little Mermaid: Ariel's Undersea Adventure [Nintendo DS game]
But they'll both play on either DS অথবা DSi.

Legendary Starfy has a mermaid