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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Marine aquariums
Marine aquariums can be divided into several types, depending on the animals that inhabit coral reef, fish, mixed and thematic. Of course, the most memorable and prestigious, but at the…

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How to make a pond for fish farming
There are many ways to create a pond to breed fish at home - as difficult, requiring a lot of physical and material costs, and simple and cheap. Before you…

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aquatic

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

How do you sleep aquarium fish?

Watching fish in an aquarium, you’d think they never rest or sleep. In the understanding of man, they are in constant motion. However, like all animals, fish periods of active behavior alternate with phases of slowing of physical functions – this is the dream fish.

Dream fish is different from our understanding of sleep. Structural features and habitat not allow the fish to fall into a state in which they would be completely disconnected from reality. In such a state is immersed most mammals during sleep. The fish also during sleep, the brain activity remains unchanged, – they are not able to fall into a state of deep sleep.

This feature and may cause the issue: how do aquarium fish sleep?

Studying the behavior of aquarium fish, you will notice that at certain times the fish are almost motionless, transfixed in the water. This is the sleeping fish. During sleep, the fish usually drift without active movement. But the slightest influence of external factors leads fish into an active state. Continue reading

How to make a pond for fish farming

There are many ways to create a pond to breed fish at home – as difficult, requiring a lot of physical and material costs, and simple and cheap.

Before you can create a pond for breeding fish, you should become familiar with the basic requirements to create an artificial pond.

Manual

1 the Pond should not be in the shade of trees or buildings, so it can be illuminated by the sun at least part of the day. It is best to create it among the flower beds and close to home. And if the choice of the shape of the reservoir can fully rely on imagination, the depth of the reservoir depends on its purpose. For example, hoping to leave the fish in the pond for the winter, need to build special wintering pits or wells. Continue reading

The denizens of the deep
15. Lionfish Fish-LiveDrive our rating of the most unusual inhabitants of the deep and dangerous at the same time, amazing lionfish, also known as striped lionfish, or Zebra fish. This…

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How do you sleep aquarium fish?
Watching fish in an aquarium, you'd think they never rest or sleep. In the understanding of man, they are in constant motion. However, like all animals, fish periods of active…

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