Jellyfish

Made from scratch by me? Rigged. 8.8k tris. 
Can be used however you'd like. Do not sell it on its own. 
Pic 1 : in unity 

Pic 2 : in blender

Pic 3 : transparent jellyfish in the dark

Pic 4 : transparent jellyfish in the light
You get the textures, unity paquage (import you're poi and dynamix bones before) and FBX.