The most surprising,unusual and interesting
Well, none of these most dangerous fish in the world . not found in our waters.
Verrucosa or fish – stone. The most venomous fish in the world. Has a size of 35 – 50 cm, found mostly in the southern seas and oceans, on the bottom near coral reefs. It is also found in shallow water. This amazing fish is well camouflaged beneath the rocks waiting for their prey. And it feeds on small fish, shrimp and crustaceans. The most dangerous thing in this fish is its strong poison. On the back of the fish has twelve spines with venomous glands. If you accidentally step on the fish, even in shoes, her strong sharp spines that easily puncture the sole, and will attach themselves to the human foot. Venom is a toxin produced by the fish, causes extreme pain, paralysis and tissue death deep in his penetration. If you get poison in a large blood vessel, death may occur within two hours. Continue reading
It turns out that our aquarium fish are not so simple. The first fish appeared about 300 million years ago – it was one of the first vertebrates. Fish, the most ancient group of vertebrates. The variety of fish amazing – in a class of fish includes about twenty thousand species, but in aquariums, mostly inhabited by bony fish. It’s not any special selection, but the fact that almost all modern fish can be attributed to that unit.
Actually, in the original, aquarium fish not intended for life “in glass”. Exotic for us are floating in the aquarium, piranhas, and catfish are common as no surprise. It’s not right. They also come from the tropics and other exotic locations, but, accustomed for generations to live in aquariums, these fish change their quality, appearance and habits. The fish aquarium is not a question of reproduction in artificial environments, and with each successive generation they are more used to the characteristics of “their water”. Continue reading
For example, the stores sold frozen tilapia, which is also owned by the family. It is known that the dimensions may be very varied, as some species have a length of about 2.5 cm, and others – more than 100 centimeters.
The total number of species of this family is about two thousand, and many of them not yet described. Certain types of fish are common only in some water basins, and at the moment they are on the verge of extinction.
Because the family is quite diverse, this article will talk about those fish that live in aquariums. The majority of aquarium fish has a high, laterally compressed body, single dorsal fin. Cichlids have a bright color, which is especially noticeable during spawning. Continue reading