I like the appearance of the creature, except im having a hard time picturing a fish creature with a magic wand hanging out of its jaw. Think maybe it should be explained why its able to use magic or why its inteligent enough to know how to.
Every now and again, the region encounters a dense blue fog. Every now and again, things disappear into the fog never to be seen again and things appear out of it from other places or world. It seems the fog is the material form of some minor diety charged with moving things around the universe to balance cosmic forces.