Underwater world and its inhabitants (underwater civilization that exists parallel to ours) - Earth before the flood: disappeared continents and civilizations
From legend to reality — one step. Underwater civilization in the legends, stories and eyewitness accounts After the disasters. destroyed the majority lived on the earth reasonable creatures, that they,…

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Dangerous animals of the Black sea
These prickly predators lurk among the rocks, under the seaweed, and, like all bottom fish, change color to the color of their environment, can quickly lighten or darken depending on…

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breeding

Seahorse

Seahorse refers to ray-finned fish. Forms a genus in which there are 54 species. They live in shallow waters in tropical and subtropical marine waters worldwide. In the Pacific ocean are found from North to South America. In the Atlantic from Nova Scotia and further South. There is a colony at the mouths of the European rivers. For example, in the Thames. Three species live in the Mediterranean sea.

Appearance

Body length varies from 1.5 to 35 cm External appearance resembles a chess knight. The skin is thin and stretched bony plates in the form of rings. Each type have their number of rings. The neck is flexible and well expressed. For seahorses is characterized by vertical rather than horizontal movement in the water. They tremble dorsal fin and pectoral fins behind the eyes.

This is the most slow swimming fish in the world. Their top speed is 2-1,5 km/h. Caudal fin not. These bad swimmers most of the time are stationary, hooked prehensile tails for marine vegetation. Snout long and tubular end stigma. It works like a pipette, drawing the food along with water. Eyes have the ability to move, independently from each other. Continue reading

Fish farming

Pond fish farming is the way of fish farming. There are other ways, but in structure and content, pond fish farming is practically no different from livestock. The pond performs the functions of the original farm, only the difference in habitat.

Pond fish farming is a traditional way of fisheries management, which is one of the sources through which live steam and the fish is in the quality of the product to the consumer.

Cost-beneficial to further development of pond fish farming. To achieve increased fish production is possible through intensification of this method of fish farming in existing areas and by building on small rivers of new reservoirs.

Ponds by type of location are distributed differently, there are floodplain ponds, channel and beam. Continue reading

Fish in the pond at the cottage

I live in the pond and successfully overwinter wild crucians and bleak. For the summer produced by goldfish (comet rock) and small koi, but the experience of overwintering in such a small volume and in small, in General, the depth is often unsuccessful, so you have to translate them for the winter in the aquarium.

Since it is known that fish suffer in the winter from the cold and from lack of oxygen and due to an excess of putrefactive gases, we tried to ventilate the pond in the winter months. In any case, we should start with the most careful harvesting of plant residues in the fall is to cut and remove the dying leaves of the Nymphaeum, to catch fallen leaves, you can compost excess plants grown .

Now on sale a lot of any devices for the wintering of fish in a pond. First we tried a “hole warmer” Polish production (at least so was claimed).

This design we did not like. First, its 300 watts is expensive in the “warmer” winter. Continue reading

Sharks
SHARK . superorder of cartilaginous fish. Includes 8 units and approx. 350 species distributed in all oceans. The most diverse and numerous sharks in the tropics, but occur also in…

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MOSFET - Compatible aquarium fish
There are many different species of aquarium fish and when selecting an important principle is their compatibility. To pay attention to this important point should be before purchasing the fish…

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