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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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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The species of fish.
Since the fish bred in aquariums generations, there was a clear tendency to choose the most colorful animals for breeding. So many of the most popular tropical aquarium fish kept…

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algae

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

Breeding fish in artificial reservoirs

Such fish as carp and tench in the main lead independent lives and inhabit deep waters, in stagnant water, away from other fish. White and motley silver carp are quite large fish and can reach a weight of over fifty pounds. Love the warmth, eats the phytoplankton, and green algae. Channel catfish often exceed thirty pounds. To food consume almost everything that may feed on small fishes. The eel is a predatory fish with a long torso and feeds on other fish eggs, small fish, frogs. Pike is a predatory fish, into the diet of its food consists of the larvae of dragonflies, leeches, tadpoles, and other fishes.

Fish food

Of course, to the fish to ensure the most suitable conditions for the existence of their need to feed. There are many videos, which explains the intricacies of proper nutrition of freshwater fish in home waters. Food can serve as feed for pigs, as well as special mixtures, wide range of which are sold in pet stores. At one time you have to throw so much feeding, how many fish can eat in 5-10 minutes. Continue reading

Amazon com the Arkhangelsk province

Fishermen in the Arkhangelsk region took out a strange catch in the area of ferry crossing Bereznik and aspen: they pulled from the water an unusual fish with the head of a turtle and fossilized scales.

According to the newspaper “Dinovite”, the fish has a head like a Brontosaurus, and also a large barbed needles and petrified of the scales. Its mouth looks like a suction Cup, similar to the mouth of sturgeon. The fishermen studied the various pictures on the Internet, but found no mention of such unusual instances. However, similar features are observed in fish such as sea hare and monkfish.

Later, the fish was identified, it became clear that this brocade pterygoplichthys, or armored catfish. He eats algae, and it plant aquarists. The habitat of this catfish – the water of the Amazon and Orinoco.

Recently anglers and ichthyologists meet more and more exotic species in the rivers of the middle zone of our country. In 2012, about catching the same armored catfish reported in the press Penza: Continue reading

Habitat Black Marlin
This type of Marlin lives in the tropical latitudes of the Indian and Pacific oceans. Marlin fish is pelagic, i.e., living in the water column. Black Marlin prefers to stay…

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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…

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