BLACK sea and its inhabitants: who is dangerous to humans?
Fortunately, the really dangerous creatures, meeting with which threatens people severe poisoning, injury or even death, in the Black sea no. But still, one should be wary of some of…

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Goldfish from Asia whether it is really so scary
Goldfish: the life or painful death?. speaking about the conditions of the fish, did the emphasis on fish of Asian origin. To avoid repetition, I will quote the conditions of…

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important

The structure of the pharynx, the feeding of fish.

The structure of the pharynx is also closely linked to feeding habits of fish. As indicated, the number and structure of Gill rakers may be very different — from a few small hard bumps predatory fish to a complex network of frequent rakers in silver carp — Hypophthalmichthys molitrix (Val.), litumelo planktonic algae. The mullets — Mugili – dae — muscular throat adapted for crushing lisovogo clump, consisting of detritus and vegetation. Some fish developed teeth on the pharyngeal bones. Some they are on top – and ninepatch bones, as, for example, wrasses — Labridae, or only ninepatch, as, for example, cyprinids — Cyprinidae.

Haeckel (1843) divides nizhnelomovskie teeth of cyprinid by the nature of the structure related to their function into four types:

1) hollowed — excavati, a type of Longhorn beetle,

2) chewing — mastic torii, a type of carp, Continue reading

Bizarre inhabitants of the deep sea

The film is not loaded and after a long wait gives “video file did not download”?

There are two possible reasons:

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2) you have no free space on drive C. restart your browser to free up space.

What to do if the movie constantly freezes and waiting for download

There are two possible reasons:

1) the server on which the film is overloaded at the moment (this often happens with new products when they all look the same film);

Click on pause and wait 10-15 minutes, then continue browsing. Continue reading

PIRANHAS RIVER MONSTERS
known for their sharp #teeth. The locals used the piranha teeth for the manufacture of knives. Piranha Piranha is a dangerous threat! Piranhas live in South American rivers. Fish piranha…

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Som. Fishing for catfish
Com belongs to the family somovyh . This is a very large freshwater fish, which was a legend. Catfish grows so large that there were cases of attacks by these…

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