The folklore of the mermaid remains ever active in our collective unconscious as a reminder of our deep connection with the sea. From the dangerously seductive (think Sirens) to the innocently beautiful (think Ariel), the iconography of the mermaid arouses in us such powerful emotions, which is why designers continually integrate features of the mermaid in their work.
Example #1: Roland Mouret Spring 2009: This one-shouldered white gown has angled corners reminiscent of fins; the diagonal hem reminds one of a tail:
Example #2: Balenciaga Fall 2008 Booties: The dove-gray shade and the fin-like edges on these hot booties undoubtedly look like Abe Sapien from Hellboy 2:
Abe Sapien from Hellboy 2:
Example 3: Zac Posen Candied Lurex Mermaid Dress, $1,900 at Eluxury.com: Although the hem is relatively normal, the bust looks like a clam shell: