Great white shark, the heroine of the novel by P. Benchley “Jaws” and the movie of the same name, has a bad reputation as man-eater. Yes, it is the world’s largest predatory fish and a great hunter. But if she is so bloodthirsty towards people as we are shown in various films?
Small colonies of white sharks are regularly observed at the southern coast of Australia, off the coast of California and South Africa, in the Red sea, in the Central part of the Adriatic and the Mediterranean sea, off the coast of New Zealand, in the Caribbean sea, off Madagascar, Kenya, Seychelles and the coast of Mauritius. This, of course, not all places where you can accidentally encounter this formidable mistress of the seas and oceans. Continue reading
Phractocephalus red (Phractocephalus hemiliopterus), redtail Catfish or a Red tail catfish – aquarium fish of the family Pimelodovye or flathead catfish.
In Nature, Red tail catfish lives in South America, in the Amazon basin. Such fish often lead the lovers of big fish, also trigger them in public aquariums to attract the attention of visitors. In their homeland, in Colombia and Brazil, this fish is called perrera. These catfish are also bred in commercial purposes for food, although their meat has a dark color.
Appearance and sex differences
Phractocephalus red – very attractive aquarium fish. Its oblong body is a large flat head with large eyes, wide mouth and three pairs of whiskers, two of which adorn the lower jaw of the fish and one upper. In this case two pairs of antennae have long red-tail catfish. Continue reading
Portrait Krylatov the mass consciousness of the part of the public aquarium, which has so far avoided a direct clash with the sea, entrenched two extreme view on the sea aquarium. The first one is insanely difficult and scary. The second is the amount of salt dissolved in water can not change anything seriously. However, as always, lies somewhere in the middle and is similar to the following:
Marine aquarium itself isn’t much more complicated freshwater. Both can be practiced at the elementary level, and climbing up into the jungle.
Marine aquarium is fundamentally different from freshwater and freshwater mechanical transfer of concepts, skills and techniques in the marine aquarium leads to fatal consequences.
A saltwater aquarium requires much more powerful, complex and expensive equipment, more complicated and expensive materials than freshwater. Continue reading