The Alfonsino Fish Breed is a beryciform fish found in the Eastern Pacific, inhabiting waters from southern California to Chile. The species is believed to have originated in the north-east Pacific Ocean, near Japan and Korea. It then spread southwards into the tropical waters of Mexico, Central America, and the Galápagos Islands.
The alfonsino, also known as the alfonsin, red bream, or imperador, is a deepwater fish that can be found anywhere in the world. It is commonly found in temperate and subtropical ocean waters.
The family Berycidae has two genera: Beryx and Centroberyx . Alfonsinos are any of eight species of fish in the genus Beryx. Representatives of this family can be found in deep sea habitats of the Atlantic, Pacific, and Indian oceans.
The ocean sunfish is typically associated with deep-sea corals, and schools are known to form over seamounts. Adults are demersal and search for prey along the ocean floor, primarily fish, cephalopods, and crustaceans.
They are found in the North Atlantic and Pacific oceans. The species is named after Alfonso X of Castile who sponsored a medieval Spanish encyclopedia called Las Siete Partidas, which included the first known description of the alfonsino.
In 1829, Georges Cuvier published the first scientific description of the alfonsino in his third volume of ichthyology. He named it Beryx dodecadactylus. In 1990, G. E. Maul renamed it Beryx decadactylus
This is a type of fish that has high oil content and firm, white flesh. The fish can be used in a variety of dishes including fish cakes and croquettes.
Table of Contents
Alfonsino Fish Physical Appearance
- The Alfonsino Fish is a deep-bodied fish with large eyes and a compressed body.
- It has an orange underside and a yellow breast, and its fins are red.
- Its anal fin is larger than most fish species’, and it has a deeply forked tail fin.
- Alfonsino, like most of the deep-sea fish, is adapted to living in darkness.
- Its body is generally red in color with white spots scattered over it; this coloration provides camouflage that helps it blend into its surroundings.
- The most common size for this breed is 35.0 cm, but they can grow up to 100cm.
- The average weight for an alfonsino is 2.5 kg.
- Juveniles have heavy head spines.
Alfonsino Fish Habitat
The Alfonsino Fish is found in both the eastern Atlantic and western Pacific oceans, with its range including the Arctic Ocean, Greenland, Iceland, Scandinavia south to Brazil in the west and South Africa in the east. It has also been reported off the coasts of Argentina and Hawaii.
Alfonsino are deepwater fish that migrate vertically during the day and horizontally at night. They usually live near the seafloor, although they have been found up to 1300 meters down. Alfonsino tend to form schools around seamounts. They are associated with rocky/sandy substrates, although juveniles are pelagic.
Alfonsino Fish Feeding
The most common food sources for this species are crustaceans, cephalopods, and small fish. The most abundant prey in its diet is small fish. This species is quite different from the splendid alfonsino, which has a slower digestion rate and a broader dietary range.
Alfonsinos are slow growing, as is common among members of Berycidae. Alfonsinos reach sexual maturity at about 7 years old and can live up to 69 years with estimates ranging as high as 85, females being slightly larger on average than males.
The reproductive season of this species occurs during the summer months, June to September, though males can reproduce year-round.
Economic Important of the Alfonsino Fish
Alfonsino Fish are an economically important fish species, targeted by commercial fisheries. They are caught by both bottom trawlers and longline tuna boats for their meat and sold in local markets.
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