Marine aquarium fish
In this article we will discuss the most popular marine aquarium fish. They can be divided into several families. Angelfish are a large family of aquarium fish (Royal, Imperial, blue-crested,…

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Aquarium catfish Ancistrus
Homeland ancistrus — mountain rivers of South America. This is a small, length to 10 cm fish, unpretentious and practically omnivorous. Aquarists love them for their helpful ability to clean…

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Gurnard
The area. Gurnard, Trigla (Trigla) is a demersal species . inhabiting the seas of temperate and tropical zones of the World ocean. In the Black and Azov seas there are…

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Pond fish: breeding

Thus, the spawning period is defined more clearly than most tropical species, for which the importance is not so much the temperature, the amount of rainfall.

You can determine the start time of spawning, regularly measuring the temperature of the water in the pond, because the spawning usually begins at a temperature of about 20°C. At this temperature the eggs develop normally. Plus or minus 5 °C, and the fry will be deformed, because things will develop too quickly or too slowly.

Physical changes in the fish also indicate the approach of spawning. For example, the males of the family Cyprinidae appear white swellings, called tubercles. Fish such as Orfe, Rudd, goldfish and koi, the tubercles appearing on the Gill covers and pectoral fins, while Cipriani – along the scalp.

Some fishes, such as sticklebacks, coloring of the male becomes brighter, attracting mates and scaring off rivals. Females of all cold-water species become fuller males. Continue reading

Fish for pond, fish in the garden pond

Fish not only enliven the garden pond and eat the mosquito larvae and other insects. It should be noted that their presence does not affect the purity of the pond.

When choosing a fish species should be guided by the size of the reservoir.

For example, koi need space not less than 7.5 m 2. In addition, they are harmful to the plants-oxygenators.

Requires less space Golden Orff, she’s had enough of the pond with an area of 3.5 m 2. This beige-pink fish, graceful and active. Maximum its body length 50 cm, but it rarely reaches such dimensions.

For a very small pond like a goldfish or shubunkin.

The first one has a dark Golden color. Its varieties differ elongated waving tail fin. Continue reading

Are there sharks in Thailand
Shark species in the Gulf of Thailand where the most famous resorts many. The most dangerous of them are considered to be whale, black and white shark. There are less…

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Aquarium fish - catfish.
Under the collective name of soma mean -- more than 2,000 species of baleen variety of fishes from 31 families. Most of them inhabit freshwater reservoirs 5 continents (only 1%…

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