An aquarium of 50 liters
Aquarium (lat. aquarium ) — transparent container for permanent keeping of aquatic organisms. It typically refers to a home aquarium (room) aquarium for keeping fish aquarium in home; for technical…

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Aquarium fish catfish
This species belongs to the family of Armored catfish, Callichthyidae or Kalligrafie This family is included in the squad SOMO-shaped (Siluriformes). Members of the family — small fish that live…

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Fish grown artificial, dangerous product?
Interested in your opinion - how to choose safe salmon, all adored the fish. A few tips: 1. Do not buy fish with meat a bright pink color. Diet artificial…

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humans

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

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

Scorbanova Family (Scorpaenidae)
Representatives of the family Scorpaenidae are widely distributed throughout the tropical seas and temperate. Several species also occurs in Arctic waters. Many scorbanova reach large sizes and are considered commercially…

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Sharks in Tenerife
Going on vacation, I want to prepare for it perfectly, to protect yourself and your family from various surprises and avoid problems. And sometimes, tourists who decide to visit the…

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