The lifespan of the blue-mouthed hanging is about 10 to 12 years. After understanding the lifespan of the blue-mouthed hanging, let's take a look at other information about the blue-mouthed hanging!

The maximum length of the blue-billed hanging is 13.7cm, and the blue-billed hanging inhabits a clear Waters between 2 and 30 meters deep in lagoons and sea-facing coral reefs, usually singly or in small groups. Blue-billed algae mainly feed on macroalgae, silk algae and single-celled algae attached to gravel. The blue-mouthed hanging head is small, and the outline of the back of the head is not particularly protruding. The mouth is small, the end position, the snout is papillary, the upper and lower jaws have bristle-like slender teeth, the teeth are movable, and the teeth are enlarged and flattened.