Fish of the Black sea
Katran - black (Squalus acanthias ponticus) Reaches a body length of 2 m (usually 1.5 m). Found only in the Black sea waters to depths of 60 m. Attention. All…

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Preparations for the care of water in the garden pond
Algae is a natural part of any body of water, including garden ponds. As one of the most important parts of the food chain, they are the basis of life…

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What is a sea sponge?
Sponges that are sold in stores and are used for washing dishes or cleaning the kitchen, not real. They are made from synthetic materials, although very similar to a real…

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Piranhas river monsters

The Number – Cypriniformes
Family – Priniv
The genus/Species – Serrasalmus nattereri

Basic data:
SIZES
Length: average 20 cm, in some species up to 50 cm.
Mass rarely exceeding 1.5 kg.

REPRODUCTION
Spawning: March-August.
Caviar: a few thousand eggs.
The incubation period is 10-15 days, depending on water temperature.

LIFESTYLE
Habits: constant float huge flocks.
Food: primarily fish; attack mammals, floating or come to the waterhole, and birds.

RELATED SPECIES
18 known species of piranhas, 4 of which are dangerous to humans, although fatal cases have been identified. Continue reading

Do all fish spawn?

Most fish lay eggs, and it is fertilized outside of their body. Fish that spawn, are called oviparous. But some fish give birth to live fry. Such fish are called viviparous.

To live-bearing are guppies, sword fish. The eggs of these fish are fertilized inside the mother’s body and develop there until the fry. At a certain time they are born. This happens 21 days after fertilization.

The number of eggs, fertilized and deferred, differs greatly depending on the type of fish. Some fish lay eggs and abandon her, without showing her any more interest. This is a fish that produce huge amounts of eggs. Those fish that look after their young, they lay only a few eggs.

Caviar can be of two types. One kind of eggs floats on the water surface, the other sinking. The caviar, which floats, is called pelagic. It is usually tiny, bright and contains a lot of protein. Caviar, which is sinking, is called Donna. It is usually harder and more protein in it. Continue reading

The truth about modern fish. Explain why cheap fish better.

Pros: tasty, inexpensive, very useful

Someone in my family loves fish. I have therefore tried many kinds of fish and ways of cooking. And in this case, the issue price of not standing in the first place.

At first, I often bought salmon. She is tender, beautiful and expensive.

Tried to buy tilapia, sea language, sea bream, trout, carp, catfish, pike, sturgeon, hake, and do not list.

Later read a lot about what fish to bring us where it was harvested, the conditions in which it inhabits. And found a bad moment.

It turns out that in addition to dividing the fish of the sea and river, the fish is divided more and growing conditions. So, fish is artificially grown and living in natural conditions.

Fish grown in razvodnyh (fish farms), to put it mildly, is not subject to the use. Fish live in artificial ponds in a large quantity, often in dirty water, fed unnatural feed, is constantly sick. Therefore, it is continuously fed with antibiotics (to prevent mass mortality), as well as growth hormones (to quickly sell the fish maximum weight. Continue reading

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The blue Marlin
The blue Marlin is one of the largest fish in the world ocean. It can weigh up to 800 kg, with a length average body length of 200 to 300…

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The mantis shrimp
Males shrimp-mantis have a very bright appearance. In the eyes dazzled by such a variety of colors. In addition, these shrimp have a unique vision that allows them see objects…

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