Marine Snow no Densetsu
English title: The Legend of Marine Snow
Japanese title: マリンスノーの伝説
Type: TV Special
Episodes: 1
Source: Unknown
Genres: Sci-Fi
Duration: 1 hr 34 min
Rating: G - All Ages

This little-known and poorly documented Leiji Matsumoto TV movie, tells the story of the revolution of the people of the ocean which are being invaded by the humans from the surface.

(Source: Senscritique)