Traits

Paws with more fur then usual

Only Ribinas in Arias Peak have this trait

Extra fur/fluff on the legs

Only Ribinas in Evoca Shoal and Louse Morass have this trait

Paws with webbing 

Only Ribinas in Evoca Shoal have this trait

Fins on the legs

The claw is clearly visible and has a distinct claw shape. It is thicker and has a bony structure.

A serpent's tail

A leaf tail with one or mutiple leaves

A basic fish tail

A small, or a short tail

A bobbed or a nub tail

Tail that is thinner then usual

Any elemental themed tail, such as fire, water, smoke, etc

Only available if you use Serenity Spell

A thinner tail with a thick fur tuft at the end.

Black patches covering the Ribina