5 most amazing marine life
1. The Humboldt Squid. The size of this predatory marine life can exceed 2 meters. Inhabits squid off the coast of Central America at a depth of 700 meters. The…

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Food for pond fish - there are plenty to choose from
Pond fish unlike their aquatic counterparts quite demanding on the quality of feed that offers people. For this reason, the feed for these fish should be chosen carefully and deliberately.…

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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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food

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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

Plaice

Plaice (Pleuronectes platessa) is a fish of flatfish family.

Flounder is a common name for several species of marine flat fish. Different from other fish very flattened body and location of the eye on one side. Lives on the seabed, some go in the river.

Flounder has oval body, length 25-40cm, small and smooth scales, a crest of bone mounds (mounds 4 to 7) from the eye to the beginning of the lateral line. Eyes often located on the right side. The dorsal fin begins over upper eye. Color: ocular side brown, with reddish or yellow-orange spot in adults, often with light edging; blind side is white, sometimes with dark spots.

Found in the North-East Atlantic, from the White sea to South Portugal, the North sea; the Western Mediterranean sea. Most often over sandy bottom, in the North-East Atlantic from the coastal zone up to 200 m in the Western part of the Mediterranean sea up to 400 m depth. In the sea of Japan (Tatar Strait, between the Gulf of DeKastri and G. Alexander). Also penetrates into brackish water estuaries and lagoons in search of food. Continue reading

How fish breathes?

Hundreds of thousands of years ago, long before the appearance on Earth of man, the oceans already swam fish. At that time they were the most highly developed creatures.

Since then, they began to develop a variety of ways so that now only some species only vaguely resemble the first primitive ocean fishes.

As a rule, fish has an elongated and tapering shape. People have copied it in the construction of ships and submarines, as it is the best adapted to movement in water.

Most fish use their tail as a motor. With the help of fins and they control their movements. Except for one species of fish, all the others breathe by means of gills. Fish swallows mouth water that passes through the gills and out through the hole. Water also contains oxygen, and it through the gills into the blood of fish, as the air through the lungs in the blood of man. Continue reading

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Fish in the garden pond.
In order to breed breeds that are demanding oxygen (carp, pike, etc.), you need to set a large enough reservoir. If to breed carp or carps to grow, a reservoir…

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View aquarium fish: goldfish
At present, there are dozens of varieties of goldfish. The most similar to silver carp goldfish common. Different from carp, mainly for its yellow-gold color. One of the varieties of…

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