Aquarium fish
When it comes to buying a pet, people often forget about aquarium fish. And for good reason, because it's a very aesthetic animals can teach responsibility because they require a…

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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…

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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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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

Who to fear on the Red Sea?

Until tempers cool about sharks Bay Sharm El Sheikh, I would like to remind that there in the Red sea is not less dangerous inhabitants. Will tell you about some of them:

Jerzy. If the people of Japan it is a real delicacy, it is possible for tourists on the Red sea, thanks to their sharp needles, the trouble is a real one. In shallow water there is a big risk to step on them. So always watch your step, if the bottom is not sandy. Sea urchins inhabit the coastal waters, often settling there in the cavities of the rocks. Reach a length of 35 centimeters (depending on the species).

If You stepped on a hedgehog, the first thing you need to remove the needle from the body. Doctors advise to clean the wound with hot water or drop into her injured body. Then clean the wound with warm water and soap and apply an anesthetic ointment. The prick hedgehogs in extreme cases lead to paralysis or even death. Continue reading

Types of jellyfish

Floating jellyfish in the sea often struck by its beauty. Such a wealth of shapes, colors, as among the jellyfish, not to meet many animals! Jellyfish inhabit all seas, and some of these sea animals prefer warm waters of the tropics and subtropics, while others liked the cool Northern parts of the oceans.

Some jellyfish can be found at a depth of 10km, and there are jellyfish that do not leave the coastal strip. It is noteworthy that each type of jellyfish is found only on the territory of the area is an animal does not apply to pandemic, that is common everywhere.

The largest jellyfish is Cyanea arctica – chosen by a cool North sea. The age of lanei can be identified by its colour – older individuals are covered with brown and red spots; the young specimens are painted in an intense orange color. Continue reading

The inhabitant of sea depths told the researchers about the secrets of immortality
The tiny freshwater polyp Hydra long been of great interest to scientists. In many respects it is connected with the fact that this animal is actually immortal and shows no…

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Types of jellyfish
Floating jellyfish in the sea often struck by its beauty. Such a wealth of shapes, colors, as among the jellyfish, not to meet many animals! Jellyfish inhabit all seas, and…

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