The Number – Cypriniformes
Family – Priniv
The genus/Species – Serrasalmus nattereri
Length: average 20 cm, in some species up to 50 cm.
Mass rarely exceeding 1.5 kg.
Caviar: a few thousand eggs.
The incubation period is 10-15 days, depending on water temperature.
Habits: constant float huge flocks.
Food: primarily fish; attack mammals, floating or come to the waterhole, and birds.
18 known species of piranhas, 4 of which are dangerous to humans, although fatal cases have been identified. Continue reading
Until tempers cool about sharks Bay Sharm El Sheikh, I would like to remind that there in the Red sea is not less dangerous inhabitants. Will tell you about some of them:
Jerzy. If the people of Japan it is a real delicacy, it is possible for tourists on the Red sea, thanks to their sharp needles, the trouble is a real one. In shallow water there is a big risk to step on them. So always watch your step, if the bottom is not sandy. Sea urchins inhabit the coastal waters, often settling there in the cavities of the rocks. Reach a length of 35 centimeters (depending on the species).
If You stepped on a hedgehog, the first thing you need to remove the needle from the body. Doctors advise to clean the wound with hot water or drop into her injured body. Then clean the wound with warm water and soap and apply an anesthetic ointment. The prick hedgehogs in extreme cases lead to paralysis or even death. Continue reading
Plaice (Pleuronectes platessa) is a fish of flatfish family.
Flounder is a common name for several species of marine flat fish. Different from other fish very flattened body and location of the eye on one side. Lives on the seabed, some go in the river.
Flounder has oval body, length 25-40cm, small and smooth scales, a crest of bone mounds (mounds 4 to 7) from the eye to the beginning of the lateral line. Eyes often located on the right side. The dorsal fin begins over upper eye. Color: ocular side brown, with reddish or yellow-orange spot in adults, often with light edging; blind side is white, sometimes with dark spots.
Found in the North-East Atlantic, from the White sea to South Portugal, the North sea; the Western Mediterranean sea. Most often over sandy bottom, in the North-East Atlantic from the coastal zone up to 200 m in the Western part of the Mediterranean sea up to 400 m depth. In the sea of Japan (Tatar Strait, between the Gulf of DeKastri and G. Alexander). Also penetrates into brackish water estuaries and lagoons in search of food. Continue reading