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The 'alfonsino' or 'alfonsin', ''Beryx decadactylus'', is a deepwater fish of the family Berycidae that inhabits temperate and tropical ocean waters nearly worldwide, with the exception of the eastern Pacific. More generally, the name is also used to denote any member of the family Berycidae.

Alfonsinos have large eyes and deep, compressed bodies, with blood-red fins, and generally silvery-red bodies. This is a common adaptation to deepwater surroundings, where red is filtered out of the light spectrum.
This and several other species of the genus ''Beryx'', like the splendid alfonsino are commercially harvested throughout the world, often distributed under the names of imperador, red bream, and Tasmanian snapper.

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External links

★ Alfonsino at the Australian Museum