mermaids and sirens

Nona is a name sometimes given to the ninth child -- but unlikely to serve that purpose today. Musical cred: the name of a song by Motley Crue.

Japanese name that would have no trouble assimilating — though many would associate it with the dried seaweed used to wrap sushi. Kim Kardashian and Kanye West use Nori as a nickname for their daughter North.

Pearl, like Ruby, has begun to be polished up for a new generation of fashionable children after a century of jewelry box storage. The birthstone for the month of June, Pearl could also make a fresher middle name alternative to the overused Rose. Cool couple Maya Rudolph and Paul Thomas Anderson named their daughter Pearl Minnie, followed by Jack Osbourne, and several celebs have put it in the middle spot, as in Busy Philipps's Cricket Pearl, Jake Owen's Olive Pearl and Caleb Followill's Dixie Pearl .

Overly teasable.

Ray, still and forever, is one of the all-time hippest boys' names, with its jazzy Ray Charles biopic overtones. It's one of the coolest middle names), but works perfectly fine as a first.

Modern surfer boy. Just don't call him Reefer.

nature namesare in, and even fish names like Pike and Salmon are open for consideration.

Tetra is a Greek numeral prefix meaning "four", so it could make a fitting choice for a fourth child or for an IV.

As likely to be tied to the detergent as to the rhythms of the ocean.

The Greek god Triton was the messenger of the sea and the son of sea god Neptune. He is usually represented as a merman, the the head and upper body of a human and the lower body of a sea creature. In The Little Mermaid he is the father of Ariel.

Yes, nature lovers are starting to name their children after all forms of life, including fish, but consider carefully before you cast your line into these tease-infested waters.

The Turkish name for the Danube River. Tuna is technically a unisex name in Turkey, yet it is more common among boys.