Persparsia kopua
Encyclopedia
Persparsia kopua, is a tubeshoulder of the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Platytroctidae
Platytroctidae
The tubeshoulders are a family, the Platytroctidae, of marine osmeriform fishes. They are found throughout the world, except for the Mediterranean sea. Tubeshoulders live at moderate depths of to , and some have light-producing organs...

, found around the world in the southern hemisphere (apart from South America
South America
South America is a continent situated in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. The continent is also considered a subcontinent of the Americas. It is bordered on the west by the Pacific Ocean and on the north and east...

) between latitudes 30° S and 50° S. Its length is up to 14 cm. Persparsia kopua is a mesopelagic
Mesopelagic
The mesopelagic is that part of the pelagic zone that extends from a depth of 200 to 1000 metres below the ocean surface. It lies between the photic epipelagic above and the aphotic bathypelagic below, where there is no light at all...

species.
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