Interesting facts about fish
Most of the fish for reproduction lay eggs, but there are a few species that give birth are ready fry. This, for example, the great white shark.
Mudskipper is a fish which spends the majority of his time out of the water and can “walk” on their own fins. In the gills the jumpers for a long time kept a small supply of water. They can also breathe through the pores of its wet skin.
The Stingray has more than 27,000 taste buds. Compared to him, a man almost four times less – “only” 7 000.
Most brands of lipstick contain substances included in the composition of fish scales. They give the lipstick a unique luster.
Fish lungfish can live out of water for several years. It secretes a slimy protective coating and in dry years, buries itself in the clay, sucking the air through the built-in breathing tube, which comes to the surface. Do lungfish have lungs and gills and.
Seahorses are the only fish able to swim upright.
Some fish like the white shark, can raise her body temperature to hunt in cold water.
Fish use sounds with low tones to pass messages to each other. They moan, growl, croak, mutter, hiss, whistle, creak and squeal. They crack the bones and grind their teeth. However, fish don’t have golosovatj.
To produce the sound they use other parts of the body, such as vibrating muscles, located in front of the swim bladder.
Schools of fish can reach a population of several million. They use their eyes and the so-called lateral line to Orient his body in the pack. The lateral line consists of a series of pores that pass through the body of the fish from head to tail. Special hairs in the pores feel the change in vibrations in the water produced by their relatives or predators.
Electric eels and stingrays can kill a horse for its current level.
The only fish that have eyelids are sharks.
Some fish, such as herbivorous fish, often there are no teeth in the jaws, but in the throat they have subhabrata “mills”, which are called pharyngeal (pharyngeal) teeth.
From water pollution in fish can change gender. Approximately one third of the fish in British territorial waters has changed gender due to pollution caused by sewage.
The oldest fish hooks ever found was made around 42 000 years ago.
Most marine fish flesh unsalted, but, nevertheless, there is shark, whose meat is the same salt as the ocean in which they live.
Most of the fish distinguish between colors, and uses them to camouflage or protect their territory. Some fish can see polarized and ultraviolet rays.
The age of fishes can be identified by growth rings on its scales. Over the years, the number of scales in fish does not increase, it along with the fish increases in size.
The ship is the keel at the bottom and protects it from tipping over. On the other hand, fish has a keel at the top. If the dual fins stop functioning to maintain balance, the fish will turn belly up, because the heavier side will tend down. This is what happens with a dead fish.
On average, flying fish can glide for 50 meters, but there were cases when individual instances were hovering 200 meters above the water. When flying, these fish can reach heights up to 6 meters.
Fish can … and drown. Like man, fish to sustain life requires oxygen. If dissolved in water will have little oxygen, the fish simply suffocate.
Most species of fish does not have a “reverse”. Swim tail first can only some of the eels squad.
The biggest fish in the world is the giant whale shark, which can grow up to 18 meters, which is approximately equal to the length of two school buses. It can weigh up to 25 tons, and it feeds on plankton. The whale shark more than 4 thousand teeth, although their length is only 3 mm.
The most poisonous fish in the world is or verrucosa the stonefish. The bite of this marine monster is causing shock, paralysis and even death, if in the first few hours after the poisoning not to take action.
The word “piranha” comes from the Tupi language of the Indians living in Brazil (sounds “pira nya”), which means “scissors”. This fish, living in fresh water rivers of South America, has sharp as razor blade teeth. Piranhas usually feed on fish, insects, seeds, fruit plants and even animals such as horses. Although the evidence that they kill people no, they do eat human corpses.
The fastest fish is the sailfish. She can sail with the speed of a car traveling on the highway.
The slowest fish is the seahorse, which move so slowly that, looking at them from the side, we can say that they are dormant. The slowest of them is the dwarf seahorse, which one hour covers a distance of 1.5 meters.
Some fish do not have scales. For example, the shark has a rough, like sandpaper, the skin.
In Japan the puffer fish is a exceptional, but lethal delicacy. It contains tetrodoxin, which is a deadly poison. Nevertheless, fugu is so delicious that Japanese gourmets risk their lives to prepare it. To serve this dish, a Japanese chef must have a certificate from a special school, where they teach the art of preparing this poisonous fish.
The male Emperor angel has up to five females in his harem. If “head of household” dies, then one of the females turns into a male and takes the place of its predecessor.