Drawn and painted in Photoshop.
No reference used.

The Trumpet-Nosed Flower-Scruncher uses its acute sense of smell to locate the sweetest-smelling flowers to eat.

I Got It..!,Wow!..so cute...

moonlight siree is a mammal hybrid from south florida, mix of siren and manatee, loves the shining effects of a full moon underwater

Or possibly a cat-manatee. A Steller's sea cat?

I am not used to working in color, or setting pictures underwater, so I would appreciate some constructive criticism.

This is really interesting trying to figure out what possible creature I could make up. This is my first chimera ever. Usually I stick to a standard dog when doing art :P I used watercolor and Prisma color pencils, as well as a fine tipped Sharpie for outlining. And I really need to get some watercolor paper x.X