Alfonsino vs Luminous Hake

Alfonsino is the common name for Beryx decadactylus, a reddish deep-water fish in the family Berycidae. It inhabits tropical and subtropical marine waters and is found in parts of the Atlantic and Indo-Pacific, where it occupies deep offshore environments rather than shallow coastal water. The species has commercial importance because alfonsinos are taken in deep-water fisheries and marketed as fo...

The luminous hake, Steindachneria argentea, is a deep-water marine fish and the only recognized species in the family Steindachneriidae. It is distinguished by a ventral bioluminescent organ beneath the head and along the underside of the body. The species inhabits the western Atlantic, including deep waters associated with the Gulf of Mexico and Caribbean region, and has been recorded at depths a...