Rose Byrne, the narrator, introduces Puff, a baby Valentin's sharpnose puffer on the Great Barrier Reef. He is smaller than a fingernail. She calls him an orphan looking for a forever home in the coral.
Theme. Orphan is a word some kids grab even when the pictures are pretty water. The rest of the film is survival, not a missing-mum plot.
What to say. You might say: 'They named this tiny fish Puff. The film does not show a parent. He is looking for a hole in the coral to live in.'
