How do you sleep aquarium fish?
Watching fish in an aquarium, you'd think they never rest or sleep. In the understanding of man, they are in constant motion. However, like all animals, fish periods of active…

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Striped Marlin.
Tetrapturus audax (Latin), Striped Marlin (eng), Red marlin (Japan) Distributed in tropical and warm temperate waters of Indian and Pacific oceans. Striped Marlin is pelagic fish and performs seasonal migrations,…

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Directory of commercial fish
Centrolophidae - Stromateidae – Perciformes Seriolella porosa, Seriolella punctata Silver warehou, Savorin length: 67 cm; weight: 3 kg (average 500g); the production season: in bycatch, almost all year round. Habitat…

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water

Who to fear on the Red Sea?

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

Do all fish spawn?

Most fish lay eggs, and it is fertilized outside of their body. Fish that spawn, are called oviparous. But some fish give birth to live fry. Such fish are called viviparous.

To live-bearing are guppies, sword fish. The eggs of these fish are fertilized inside the mother’s body and develop there until the fry. At a certain time they are born. This happens 21 days after fertilization.

The number of eggs, fertilized and deferred, differs greatly depending on the type of fish. Some fish lay eggs and abandon her, without showing her any more interest. This is a fish that produce huge amounts of eggs. Those fish that look after their young, they lay only a few eggs.

Caviar can be of two types. One kind of eggs floats on the water surface, the other sinking. The caviar, which floats, is called pelagic. It is usually tiny, bright and contains a lot of protein. Caviar, which is sinking, is called Donna. It is usually harder and more protein in it. Continue reading

Plaice

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

How fish breathes?
Hundreds of thousands of years ago, long before the appearance on Earth of man, the oceans already swam fish. At that time they were the most highly developed creatures. Since…

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The mantis shrimp
Males shrimp-mantis have a very bright appearance. In the eyes dazzled by such a variety of colors. In addition, these shrimp have a unique vision that allows them see objects…

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