How to Choose the best types of fish to eat - big fish
How to Choose the best types of fish to eat and cooking
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Study: Big fish more vulnerable to extinction
A recent American study concluded that a large marine species is at greater risk of extinction than small sized organisms, which changes the belief that has prevailed for 500 million years and places responsibility for human hunting.
A recent American study concluded that a large marine species is at greater risk of extinction than small sized organisms, which changes the belief that has prevailed for 500 million years and places responsibility for human hunting.
A study published in the American Science Journal, today (September 15, 2016), said that fossils of five mass extinctions occurred, the last of which occurred when an asteroid hit Earth 65 million years ago.
Large fish in modern times, such as tuna and shark, as well as mammals, including whales and seals, were at risk of entering the "red" list of endangered species more often than small fish and mollusks.
According to the study, large fish and other large marine organisms are at greater risk of extinction than small-sized organisms. Modern threats are "dominated by larger bodies, not past extinctions," said Jonathan Payne, a researcher at Stanford University and head of the study team. "This kind of impact has not occurred in the ocean before ... in half a billion years," he added, noting that human fishing is the greatest threat to marine life.
According to the study, large fish and other large marine organisms are at greater risk of extinction than small-sized organisms. Modern threats are "dominated by larger bodies, not past extinctions," said Jonathan Payne, a researcher at Stanford University and head of the study team. "This kind of impact has not occurred in the ocean before ... in half a billion years," he added, noting that human fishing is the greatest threat to marine life.
big fish little fish cardboard box
Fish colors vary between light gray, bright red, and green-like brown to the dark colors of the bottom fish. Bony fish are usually distinguished by the beauty of their colors and their multiplicity, while the colors are uniform in cartilaginous fish.
Fish acquire their colors from pigment deposited or suspended in special cells with ribs or branches; The polygonal cells contain the yellow pigment, while the branched cells contain the orange, red, brown and black pigment. There are other branched cells, in which light-reflecting crystals accumulate from a substance called "guanine", which are produced by digestive albumin materials, and the blood carries them to these cells that abound the belly of the fish and are attributed to the white and silver color.
Fish acquire their colors from pigment deposited or suspended in special cells with ribs or branches; The polygonal cells contain the yellow pigment, while the branched cells contain the orange, red, brown and black pigment. There are other branched cells, in which light-reflecting crystals accumulate from a substance called "guanine", which are produced by digestive albumin materials, and the blood carries them to these cells that abound the belly of the fish and are attributed to the white and silver color.
Bluefish:
According to specialists in the field of marine fishing, fish are divided into three main types, including blue fish, which are caught on the surface of the sea, and they are highly migratory, such as sardines, blue tuna, lacha, coils ....., as well as white fish found in the depths of the sea, which are caught from During equipped ships and boats, it is difficult for traditional made boats to return with them, such as gray couscous, Bosnan fish, "myrrh", merolone fish, spins, bass, pago, marberry and ricoche which are always present among the rocks ... in addition to other types of fish, which is what is known In crustaceans, such as shrimps of all kinds, "cruises", hats, calamari, langostin.Mahi-mahi.
Mackerel.Perch. Rainbow trout.Sardines.cichlid
.guppy
.koi
.betta
.catfish.
Blue fish contain between 8 to 15 percent of muscle fat, which is large, although essentially unsaturated, has many benefits to the body, and is called the "blue salon" because it lives in shallow cold water, which affects skin color, It gives it a bluish color. For easy identification, see its tail, which you find high.
Varieties of blue fish are rich in omega-3 acids, they work to regulate cholesterol levels and prevent cardiovascular diseases, which are essential for some of the basic functions of the body. Blue fish also have many other nutritional benefits.
Common blue fish
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fish names in french
Thon
Sardine
Espadon
Saumon
Sardine
Espadon
Saumon
Rouget
Limon
Maquereau
Chinchard
Hareng
Anguille
Anchois
types of fish in english .fish names (mahi mahi. mackerel.cichlid.betta . catfish. goldfish .tetra . tuna.guppy. koi )
How to Choose the best fish
fish definition:
Fish are among the most diverse aquatic vertebrates. As there are approximately 34,000 varieties of different types of marine fish, and marine fish are divided into three basic groups of fish: bony fish, cartilaginous fish and lamperes, and here comes some information about each of them
Skeletons are characterized by the presence of a skeleton, unlike cartilaginous fish whose structure consists of strong and flexible tissues called cartilage, where skeletons are anatomically characterized by the presence of gills and bladder air covers, and are divided into two sub-groups: fish with radial fins and fish with lobe fins.
Cartilaginous fish are so named because their body frame consists of cartilage instead of skeletons, cartilage provides sufficient flexibility to enable these fish to grow to massive sizes such as sharks and rays, and cartilaginous fish are characterized by their breathing through abscesses or gills.
Eel are vertebrate vertebrates, have a long narrow body, lack scales like other types of marine fish, and are characterized by a mouth full of small teeth, and resemble snakes to a large extent, but it is necessary not to confuse them, and there are two types of eels: the parasite and the non-parasite, and among the most famous Types: Chilean and Australian eels.
The importance of marine fish
The most obvious reason for the importance of fish is its role as an important part of the food supply in the world, as well as its use in fighting diseases by devouring mosquitoes that transmit diseases such as malaria. Fish are laboratory animals of great value as well, providing research on fish Which adapts while being captive in aquariums, a broad base for understanding the more flexible behavior of higher vertebrates, and on the other hand there is an aesthetic and recreational importance, as millions of people keep live fish in home ponds for the simple pleasure of observing the beauty and behavior of animals, and hunting is also a sport Another way to enjoy the fish's natural environment is in which many are immersed.
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