Activities - diving - Mauritius
Mauritius island, surrounded by the third largest coral reef in the world. The temperature of the air. In summer 30 +degrees Celsius with humidity of 80%. Winter warm 23 degrees…

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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…

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AQUARIUM fish: compatibility of species
This is perhaps one of the most important aspects of a proper and healthy maintenance of fish at home. It is important to know that only in brackish or freshwater…

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marine

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

Dangerous marine life around Koh Samui and Koh Tao

Jellyfish

In the waters of the Gulf of Thailand is inhabited by many species of jellyfish, most of them pose no danger to the bather. However, occasionally there occur and deadly members of this family — jellyfish. This jellyfish cylindrical body and a very long blue or blue tentacles (length of tentacles of some species of jellyfish reaches 4-5 meters). In August and October of 2015 near the Islands of Samui and Phangan were registered two fatal accidents with the girls who decided to go swimming at night and saw the presence in the water of this dangerous jellyfish.

If you are going to swim in the sea, pay attention to the coastal strip. If the sand contains up washed up jellyfish, so you should be doubly careful when bathing. As a rule, jellyfish that can sting you, quite visible in the water because of their dark or bright color (transparent jellyfish are not dangerous to the bather). But the situation may be complicated by the agitation of the sea, or opaque because of suspended sand in the water. It is especially dangerous to bathe in the dark. Continue reading

Aquarium fish - House of Friends
One of the few Pets that require from the owner of the minimum of attention, are aquarium fish. They are not annoying, do not litter and do not bite your…

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Predatory fish in the fall - Altai Angler
With the onset of autumn, after a hot summer — the fish are finally activated. The temperature in the reservoirs is greatly reduced and predatory fish often comes out of…

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