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Alfonsino (Beryx decadactylus)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Beryciformes
Family: Berycidae
R. T. Lowe, 1843


Berycidae is a small family of deep-sea fishes, related to the squirrelfishes. The family includes the alfonsinos and the nannygais.

Berycids are found in both temperate and tropical waters around the world, between 10 and 1,300 m (33 and 4,265 ft) in depth, though mainly greater than 100 m (330 ft). They are typically red in colour, and measure up to 1 m (3.3 ft) in length.[2] Distinguishing features include spiny scales and large eyes and mouths.[3]


  1. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). "Berycidae" in FishBase. October 2012 version.
  2. ^ Froese, Rainer, and Daniel Pauly, eds. (2017). Species of Beryx in FishBase. January 2017 version.
  3. ^ Paxton, John R. (1998). Paxton, J.R.; Eschmeyer, W.N., eds. Encyclopedia of Fishes. San Diego: Academic Press. p. 161. ISBN 0-12-547665-5.