They are called Ghostiks.
They have no bottom jaw, and they have transparent cloaks. Their cloaks can be based off any animal.
Don't know where the arms come from. They have jars around their necks with their little life force in them whatever. And they float, of course. And you can never seem to be able to see under their cloaks. (Maybe there isn't anything under there.) Anyway a cliche species XD
No they aren't open, but I can make adopts.
There are two types of Ghostiks.
1 Ghostly Ghostiks.
These ones are transparent with only a faint outline around them (that can be any color). They are shyer than Fleshly Ghostiks, but they are more common. They can pass through things at will.
2 Fleshly Ghostiks
Fleshly Ghostiks can float also, but they are not transparent. Fleshy Ghostiks have bad smells, unlike Ghostly Ghostiks that either smell good or have no scent at all. Fleshly Ghostiks are less common, but not as shy. They do not have the ability to pass through things willingly like the Ghostly Ghostiks.