Goldfish
(Carassius s. Cyprinus auratas) - belongs to the carp family (Cyprinidae) and is considered by some researchers a variation of crucian carp (Sagai vulgaris s. carassius). Since ancient times cultivated…

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Construction and repair of ponds
The depth of the pond determines the slope of the underwater Bank. Is the slope less than 30° . but quite often it is necessary to construct more ponds with…

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Feeding aquarium fish
The basic principles for the feeding of aquarium fish: 1. To feed the fish need 1-2 times a day, giving as much food as they'll eat in 5-10 minutes. Fish,…

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Can fish talk?

Many answer this question with a clear “No!” This view is even entrenched in the saying: “like a clam”. But is it really?

Once scientists have tested new designs of underwater microphones – hydrophones. They were not intended to learn, can talk to fish, and for other purposes. But what was found during these tests have led scientists to doubt, whether so silent marine life.

As soon as the instruments were lowered into the depths of the ocean, as in the headphones he heard a real choir of the most incredible sounds: squeaking and growling, grunting and hissing, cawing and screeching. They were all in disbelief and could not really explain, where did these sounds. When re-testing everything was explained very simply. It turns out that this talking to each other fish. Scientists were even able to conclude which of the sea creatures how to speak.

It turns out that the black sea horse mackerel barking like a dog, and the sounds, which publishes the mullet, like the clatter of horses ‘ hooves. The sea makes noises and grunts burbot, and crucian carp, carp and carp, swallowing food, pretty prichmoknet. Seahorse presencial. Loach and eel peep. Azov bull growls. African casuistic meows like a cat.

Perhaps the most talkative of marine fish Trigla. She constantly grunts and croaks.

It turned out that there is no fish or sea animal, which would each in their own way not talking. Fish, like people, is more talkative and not so good. Even those who seem silent, speak, they emit high frequency sounds that are inaccessible to the human ear.

So now I will not say: “it”, but faithful is the saying: “roars like a Beluga”. Caspian fishermen claim that the Beluga emits a loud heavy sigh, resembling a roar. And Beluga whistle and hiss.

In their own way and talking crabs, and shrimp and various mollusks in countless live on the seabed. For example, pink shrimp POPs, lobster creak, rubbing his antennae on the shell. But the voice of the shrimp Alpheus resembles the sound of a cork flying out of bottle.

That same report to each other marine life? Scientists have found that fish “discuss” among themselves primarily five main issues: give each other signals about the whereabouts of food; warn about the dangers; that is the place from where they are at present; of the direction of motion, and furthermore, males and females give each other special signals during spawning.

Reef, Bamboo shark
Krasnoborodko Vasily Vsevolodovich (Institute "Oceanology") tells and shows the birth of a shark out of the egg, as well as the farming of marine sharks bamboo sharks. The taping of…

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Enemies of algae
In the fight against plant algal blooms, caused by active reproduction of algae, is the control of the concentration of nutrients: micronutrients, nitrogen - and phosphorus-containing molecules, and potassium. However,…

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