This tiny Striped Triplefin, also known as a Neon Triplefin,  is fully grown at about one inch (40mm). The yellow-tipped tentacles of a nearby feather star appear gigantic in comparison, though each is the size of a pencil lead.  Its bright colors and shiny scales give this small fish a distinct glow as it perches on a coral colony. Identification: Helcogramma striata

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