CARE FOR AQUARIUM FISH - My files - file Catalog
Before you have a particular aquarium fish, not be amiss to ask, what conditions are considered optimal for the species: temperature, hardness and acidity of water, the requirements for lighting,…

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Marine aquariums
The ocean. Its limitless expanse excite and beckon and uncharted depths simultaneously frighten and fascinate. It was here millions of years ago life appeared. Resting on the red, or any…

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The Candiru catfish is the most blood-thirsty fish of the Amazon.
Scary fish inhabited the Amazon. Electric eels Zap 650 volts, the stingrays pierced the victim through tails, piranhas eat just... But all outdid catfish Candiru. Candiru catfish or vandellia (lat.…

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sticks

Sharks

Sharks are color blind

At the University of Queensland examined the eyes of the shark and came to the conclusion that those deprived of color vision.

The research object of scientists were 17 species of sharks. During microspectrophotometric analysis, it was found that 10 of them were no cones, intended for color vision, and their role was partially assumed the highly sensitive sticks. The remaining seven species that belong to three different families, had one type of sensing elements designed to detect wavelengths from 532 to 561 nm.

It is known that whales, dolphins and killer whales also stick with the cones of one type, which is able to recognize green color. Continue reading

What sharks live in the Black sea?
The fauna of the Black sea is markedly poorer than the Mediterranean sea. In the Black sea is home to 2.5 million species of animals (including 500 single-celled species, 160…

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The JUWEL LIDO 200 AQUARIUM, BLACK - Pet shop Afalina
The Juwel Lido 200 aquarium impresses with its spaciousness and height, which combine to create a unique atmosphere. Sleek design, solid quality and an excellent functionality guarantee a novice aquarists…

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