This saltwater cousin to the puffers changes color several times during its development, and it is only in the final years of adulthood that it bears the hue from which it earns its moniker.
[Suitable for display in aquariums tier 2 and higher.] [Suitable for printing on medium canvases.]
Despite its name, the shading of this protogynous species is subject to variation as it transitions genders. As a result, some infer that its tenebrous title in fact references the deadly, viscous toxin it secretes.