Frozen fish
Coming on the market, you can very surprised, reading the names of frozen fish on the counter of the store. And if pink salmon or salmon from suspicion that it…

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Predatory fish piranhas. Piranha aquarium
Piranhas have long been known for their predatory and aggressive nature, which has been covered not only in educational programs about animals, but also art films. Such ruthless behavior piranhas…

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bacterial

Canadian Elodea or water plague

The birthplace of Elodea canadensis, as its name suggests, North America . Is one of the most popular in the world of aquatic plants. In the last century, the Elodea has been introduced and acclimatized in many countries of Europe. In Russia it is widely distributed in European Russia and Western Siberia in stagnant and slowly flowing waters. Plant, because of its ability to grow very quickly and create a dense cluster, hindering navigation and fishing, also known as “the plague water” or “water infection”.

Long, threadlike stems of Elodea is covered in long, transparent sheets, bright green color up to 1 cm in length and 0.5 cm in width. The plant stems can grow up to 3 m long and form a powerful thickets. Grows floating freely in the water column throughout the year.

Elodeja canadian very undemanding plant . Just feels better in moderately warm and cold-water aquariums. Tropical aquarium plant long to grow. The recommended water temperature 16 – 24 °C. tolerates a long period of temperature decrease to 12 °C. Stiffness and active reaction of water to Elodea do not matter, it grows well and is very soft and in hard water. But it is necessary to consider the characteristics of water when you move plants from one tank to another. Continue reading