Buried in the mud of countless centuries — something has begun to grow….
A rural Colombian village is attacked by a horrible sea serpent, aroused by industrial pollution of a nearby lake. Based on a real event that took place in June of 1971.
- Release Date: July 11, 1980
- Runtime: 98 minutes
- Production countries: United States of America
- Original Title: Monstroid
- Original Language: English
Genres: Horror, Science Fiction