species

International Black sea day

International Black sea day (International Black Sea Day) is celebrated to commemorate the day in 1996 when six black sea countries — Bulgaria, Romania, Turkey, Georgia, Russia and Ukraine — signed the Strategic action plan on rehabilitation and protection of the Black sea .

This Plan was developed after a thorough research of the marine environment, which showed that its viability has deteriorated significantly in comparison with the previous three decades.

Its main purpose was to draw international attention to what irreparable damage to the sea causes overfishing, water pollution and global warming .

On this day in the participating countries this document a variety of activities devoted to the problems of the Black sea and preserving its unique ecosystem. Their main aim is the formation of public opinion in defense of the sea and facilitation of education of ecological culture of the population.

Fishing on the Black sea

On the Black sea can be successfully catch fish with spinning. For those who first planned to go fishing on the Black sea will give recommendations on caring for gear and introduce undesirable for a catch and even dangerous inhabitants of the Black sea: a sea Scorpion and a dragon. Continue reading

Our unique Black sea

Our city Odessa is located on the best sea in the world. There are living animals that can’t cause great harm, it’s just not natural cataclysms.

Lovingly the black sea washes the shores of Russia, Ukraine, Romania, Bulgaria, Turkey and Georgia. It is connected with other seas through the Bosphorus and Dardanelles and the sea of Azov – Kerch Strait.

Our sea is not too big (in the world), but that is not the last place. With a total area of 422 000 km from North to South the sea stretches for 580 km and from East to West 1150 km, the biggest depth – 2210 m, the average – 1240 m.

The length of the coast around the Black sea – 3400 km Into the sea fall into 3 major rivers: the Danube, Dniester, Dnieper.

Known than the Black sea?

First, one of its exclusive feature is the total absence of life at depths greater than 150-200 m (although there are a few anaerobic bacteria), due to the fact that at this depth the water is saturated with hydrogen sulphide. Continue reading

Viviparous fish

Viviparous fish are among the most popular aquarium fish species. Earned its popularity because of the ease of breeding in aquariums, even without any special conditions. Main popular representatives of the species: guppies, swordtails, and platys mollienesia. Due to the ease of breeding, viviparous fish have been widely disseminated among breeders. They are called viviparous, because they don’t spawn and immediately throw the fry, they develop the female in the abdomen after fertilization by the male of the female. Other viviparous fish kept in aquariums more often. They are less popular because of the modest color or bad habits — excessive aggressiveness or jednosti.

Sex differences viviparous:

Anal fin of females have fan-shaped. Anal fin of the male has the appearance of a twig (gonopodium) and can rotate in all directions.

Mosquitofish. A male and female.

Conditions viviparous fish:

Almost all types of viviparous fish will be suitable tank volume 100 litres, planted with aquatic plants. Some viviparus, for example mollienesia, doing a good job with small growths of algae on the plants, thereby helping us in cleaning and maintaining an aquarium. But there are those types of viviparous fish that don’t mind to eat some plants, especially tender leaves. Continue reading

Install and run marine aquarium
Installation of the aquarium takes approximately six to ten weeks (4-6 weeks during the chemical way). The process can be accelerated by adding live rock and live aragonite sand. This…

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In the Ukrainian rivers appeared dangerous predators
Every year commercial fish species is becoming less. Scientists warn that may soon Ukrainians can not take grandkids fishing — will catch nothing. "Back in the thirties dried up stoked…

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Fish nutrition in nature
To properly feed the fish in captivity, it is important to know how they feed in nature, and what habits related to nutrition, there are the fish of each particular…

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