When we read the price tag on “butterfish”, we don’t always know what we buy, then what under the trade name “butterfish” are hidden very different between fish from the three different families and four genera: two species from the family stromateid – stromateus (Stromateus brasiliensis) and the American butterfish (Peprilus triacanthus) . Australian seriolella (Seriolella brama) from the family centrality, as well as Escolar or gray delicacy mackerel (Lepidocybium flavobrunneum) from the family gimpelevich. Sometimes oil fish sold as toothfish is a much more valuable under the threat of destruction of fish, at least – on the contrary, often these names are given together. Usually trade name brings together related species. Here we have an unusual case – a trade name is formed primarily on the basis of similarity in the taste, although oily fish and have some similarities in appearance and lifestyle. Moreover, this name is not our invention. Perhaps it comes from the U.S. oil fish, which in English is called “butterfish”.
All oil – warm-water marine fish that live near the shore. It’s mainly fish medium 30-75 cm and weighing up to 4 kg. Larger than others – Escolar, reaching lengths of 2 m and weight 45 kg. fish oil is Usually kept flocks. They feed on various planktonic crustaceans and squid and small fish. Spawn in summer or autumn, caviar small, develops in the water column. Sexual maturity usually occurs at age two.
Caught oily fish, mainly pelagic (floating) trawls and seines. Our markets oil fish usually comes frozen carcasses and fillets, and smoked. Most of it is imported from Vietnam, USA, Indonesia, China. The taste of butterfish is similar to the taste of fat halibut. When cutting fish peretiraetsya and cut into thick steaks. In the industrial processing of meat of Escolar is used for the manufacture of balyk products of smoked.
Oily fish – oily fish with white meat and dark brown skin, which over time life fishes darken, becoming black. In appearance and way of life reminiscent of tuna, and she caught only as by-catch in tuna fisheries.