Butterfish
When we read the price tag on "butterfish", we don't always know what we buy, then what under the trade name "butterfish" are hidden very different between fish from the…

Continue reading →

The Sevastopol marine Aquarium – Museum of the Crimea
In 1897, together with the biological station was founded Sevastopol marine Aquarium-Museum. The first building of the biological station has survived. Although, it is known that it was organized on…

Continue reading →

The most unusual marine life
The vast world oceans inhabited sometimes quite strange creatures that defy logic and gravity. Sometimes they are a water angels, and sometimes a fiend. This is the most bizarre sea…

Continue reading →

Reef sharks – small but deadly

Reef or “find” a shark. Small but dangerous predator.

Reef sharks . which is a so-called white tip sharks . small but very dangerous fish. Hunting in packs at night they leave their spoils any chance reef sharks

There are almost 400 different kinds of sharks. Frightening, ugly, funny looking, tiny and monstrous size. But they all share one fact – they are all murderers.

White tip reef sharks. At first glance, these small sharks length of about 1.5 meters and weighing about 18 kg seem to be graceful and gentle creatures, and seemingly harmless. In size they are very similar to its relatives – temepered Requiem sharks. But don’t be fooled! Them gives muzzle – permanent terrible grin. For fins with white ends their name is white tip sharks. But it is not a sign of surrender. They float V.

. warm small vodyh the Indian and Pacific oceans, and they have no fear. They swim to anything, even to people. But don’t worry, we don’t usually include in their diet. Of course if you are not near their congener – oceanic whitetip shark, do you happen to keep fresh, oozing blood fish.

Reef sharks

In addition, most of the time a reef shark just sleeping, resting on the ocean floor or hiding on the ledges and in caves. Sometimes they even RAID each other. But as the saying goes, the freaks come out at night. And they really come out. Hundreds of white tip sharks strew the bottom of the ocean,floating groups in search of cracks and crevices, often hidden prey, which they especially love. Fish, crustaceans, octopus and even stingrays can’t feel safe. Is going on underwater food madness. This shark dance floor, where all violently jostle and squirm, but without this in any way. And to production is not so easy to reach.

A third of reef sharks brain is responsible for sense of smell. While shaking his head from side to side water washes millions of olfactory cells that help them smell prey or a drop of blood at a distance of about one kilometre.

Reef sharks and the ampullae of Lorenzini

And yet these creatures have a sixth sense. Tiny black pores on the nose, it is called the ampoules of Lorenzini. allow reef sharks to catch in water electrical discharges, for example the splashing of a doomed fish. They even squeezed in the tiniest cracks. But despite a solid skin and ideal hunting body structure, not all of them do without a war wound.

When the victim is caught, a struggle begins between the upper and lower teeth, razdiraemyj prey into small pieces – something that is necessary to cut the lunch of large reef fish. However, the teeth aren’t all the sharks. For example, the nurse shark sucks food with the power of eight cleaners – mostly lobsters and crabs.

Reef shark are small, but deadly fish. So it seems that when it comes to sharks, the size doesn’t matter. Don’t have to be huge to inspire fear or to be an effective killer. And for these creatures is good. Let the white tip shark is not particularly large, but the kick is very strong

Saltwater aquarium: first steps
So You've seen a saltwater aquarium. full of exotic tropical fish, and maybe visit the aquarium and decided to organize a piece of the sea into your home? First of…

...

Sights Of Heraklion. Cretan sea aquarium
Cretan sea aquarium has a reputation as one of the most interesting and spectacular aquariums in Greece. According to its technical parameters, there are about 40 impressive aquariums with a…

...