The series is famous for its practical effects and world-building.
: Initially a standard "surfer dude," Zac discovers he is actually a natural-born merman who was adopted by humans, making his transformation a return to his true self. Mako: Island of Secrets
: Located at the heart of a dormant volcano, the Moon Pool is the source of all mermaid magic. Under the light of a full moon, it has the power to transform humans into merpeople. The series is famous for its practical effects
: A recurring theme is the conflict between "land-walking" merpeople and the traditional pod, exploring whether one's nature is defined by where they are raised or their biological origins. Behind the Scenes Mako: Island of Secrets