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Freshwater and Marine Aquarium

Freshwater and Marine Aquarium – which one to choose?

All aquariums, depending on the biological filling divided into two types – freshwater and marine.

Freshwater aquarium designed to hold fish, other animals and plants that live in fresh water. It is possible to settle the discus, barbs, dwarf gourami, zebrafish, neon, angelfish and many other fish that are found naturally in rivers and lakes.

In the marine aquarium, filled with salt water, will feel perfectly corals, fish such as zebrasoma, groupers, psevdohromisy, Anthias, stone and sand perch, mullet, as well as other inhabitants of the seas and oceans.

According to the external features of the model fresh and saltwater aquariums do not differ from each other: they have the same shape, are used for their production identical materials. The difference lies in the technique used for the sustenance of the inhabitants of the aqua systems and maintenance of aquariums.

To ensure optimum habitat marine inhabitants is difficult. To do this, you must keep under control the chemical composition of the water, use a certain type of soil, marine aquatic systems equipped with powerful filtering and aeration.

In terms of complexity include freshwater aquarium considerably easier. Continue reading

Sole.

fSole

Buying gourmet sole, you can fall into the trap: instead of this tender and tasty fish sellers often slip cheaper Pangasius

Sole or European solea – a fish flatfish family unit of salts. He lives only in marine waters, mainly in tropical and subtropical seas.

Outwardly, this fish is very similar to flounder: it has the same flattened laterally body structure (only more elongated) and both eyes, like flounder, are located on one side. Sole characterized by relatively modest dimensions: its average height is 30 cm. The color of his scales – grayish brown with dark spots on the top and lighter underneath. Since the body of this fish is “dressed” in melkocheshuychaty cover, it is sufficiently stiff to the touch. And because of the similarity of sole with the shoe soles of the people it is called “salt fish” – from the word Sole, which is present in the names of flatfishes.

This inhabitant of the sea belongs to the category of delicious fish. Once upon a time it was only available aristocracy, and nowadays sole worldwide considered synonymous with fine dining. To us it is a treat brought mainly from Vietnam in various forms – frozen, fresh, smoked or salted dried. Vietnamese manufacturers are also made from sea  language various canned and semi-finished products. Continue reading

The most dangerous freshwater fish in the world

Goliath Tiger fish (lat. Hydrocynus goliath)

Goliath Tiger fish for bloodthirsty slightly inferior piranha. It has a 32 razor-sharp, teeth, and is widely regarded as one of the most terrible and dangerous freshwater fish in the world. It feeds on fish. Because of its power, it can safely swim against the tide. As a result, the weaker fish, which can not overcome the strong stream of water come into her own teeth. Her arms are 32 huge tooth size similarities with the great white shark teeth. There are cases when the fish to attack people and even crocodiles!
Fish react to loud splash of water or a sudden movement. It can also locate their prey by low-frequency vibration. So what of the future victim to hide from her.
Fish Tiger (Hydrocoyon lineatus) belongs to the species of the genus characids piranha lives in freshwater rivers in South America and Africa. Reaches 2-4 kg, but some subspecies (Hydrocoyon goliath) have a weight up to 50 kg. It feeds on fish and unlike the Amazon relative to people not to attack.
Polo saber-toothed fish in the river Cheb (Namibia) attracts anglers from all over the world. Despite the terrible tusks, tiger fish much stronger for the same weight of most freshwater predators because of what draws attention and fishing lovers. Besides
small tiger striped fish that are no heavier than 4 kg, caught in Africa Senegalese subspecies, now he can already pull 15 kg. With this appearance and strength – it is a real monster! Continue reading

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