''Blue edged sole'' (Soleichthys heterorhinos) is a sole from the Eastern

Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or ~19.8% of the water on Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by th ...

and Western

Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...

. It occasionally makes its way into the aquarium trade. It grows to a length of 18 cm. ''Soleichthys heterorhinos'' exhibits

biofluorescence Fluorescence is the emission of light by a substance that has absorbed light or other electromagnetic radiation. It is a form of luminescence. In most cases, the emitted light has a longer wavelength, and therefore a lower photon energy, tha ...

, that is, when illuminated by blue or ultraviolet light, it re-emits it as red, and appears differently than under white light illumination. Biofluorescence potentially assists intraspecific communication and camouflage.

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* Soleidae Taxa named by Pieter Bleeker Fish described in 1856 {{Pleuronectiformes-stub