Spotted-cheek Damsel

Found singly or in small loose schools, over shallow areas of lagoons and coastal reefs.
Eastern Central Pacific - Tonga

Damselfish are egg layers.
First they clear a site ready for a nest, then engage in a mating dance with rapid swimming and fin movements, during this time the males will often turn a shade or two darker and may display white blotches. Spawning occurs at dawn.