Traits

Only available if you use Wickfruit 

Spikey looking fur, can be described as coarse

Only available if you use Emaina Spell

curly fur

Extra ruff fur, usually longer and hanging down.

Ribinas with a feathery neck

A poofy cloud-like ruff

Ruff covering the body, leaving only part or little bit of it visible.

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

Ruff that is more puffy the usual

Only available if you use Wickfruit

Spikey looking fur, can be described as coarse.

Only available if you use Emaina Spell

Curly fur

Bigger paws then usual

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