The sentient inhabitants of the deep sea in ancient times
Recently many objects in the Solar system and beyond traces the oceans, often many times the size and depths of the earth. In particular, such water spaces under the ice…

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Fish for nano aquariums
Pufferfishes are generally aggressive, but this kind of lives in my community tank, including those with a fairly small gobies-brachygobius, shrimps-cherries and Amangani. I specifically put a picture here, where…

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Perch – predatory fish
This is a very interesting and extremely ancient type of fish (his ancestors appeared on Earth in the upper Cretaceous period) found in almost all water bodies of Ukraine. And…

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species

Pond fish farming

To highly productive fishing industry is part of pond fish farming. Pond fish farming is based on the breeding and rearing of fish under the guidance of a person. The main objects in pond fish culture are domesticated fish and its hybrids.

Qualitative improvement of fish stocks in reservoirs and a number of measures that ensure the preservation, the increase of fish – these are the main features of fish farming.

Fish farming can develop in both natural pond waters. In natural waters fish farming includes the following points: first of all this reproduction, the improvement and increase of the species composition of the ichthyofauna in the lake, river, reservoir, lagoon, estuaries.

Pond fish farming is the natural and the artificial breeding of fish is carried out breeding work in conducting activities on acclimatization of new fish species. Pond fish farming is the rearing of fish in intensive technologies, monoculture, polyculture, aquaculture. Pond aquaculture is primarily characterized by a high degree of use of all components of the forage base ponds, the phytoplankton, zooplankton, benthos, aquatic vegetation. The availability of feed, the development of fish depends on the nature of the reservoir. Continue reading

Fish pond. Types and features

Nowadays the waters, who build near or on the territory of the farms are classified into:

1. Decorative:

– with plants;

fish (decorative);

– with fish and plants.

2. Producitive:

– ornamental fish;

– fish of different kinds;

– non-decorative fish.

3. Combo:

– a reservoir with a septum, which divides the pond as it were into two. In the first live ornamental fish, while in the second the wild. Continue reading

Lewicki – crucians
A third of all Israeli Mediterranean catches of fish occurred in 2004, members of the family sparovek ( Sparidae ). He also owns 85% of the volume of our sea…

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Predatory fish
Scientists have noticed-farmers: it is very big losses from predators are produced at the will of the small Pets of rybhoznaya. What is it? Began to experiment. In a bath…

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