Get ready for an incredible adventure! Fishtronaut and his friends are summoned to solve a mystery in the big city: the population is shrinking! Now the gang will have to figure out how to s... Read allGet ready for an incredible adventure! Fishtronaut and his friends are summoned to solve a mystery in the big city: the population is shrinking! Now the gang will have to figure out how to save them before they disappear altogether!Get ready for an incredible adventure! Fishtronaut and his friends are summoned to solve a mystery in the big city: the population is shrinking! Now the gang will have to figure out how to save them before they disappear altogether!