Gurnard
The area. Gurnard, Trigla (Trigla) is a demersal species . inhabiting the seas of temperate and tropical zones of the World ocean. In the Black and Azov seas there are…

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Predatory fish protects the fish from a mass death
In Lithuanian lakes and rivers in recent times massively dying fish, so look for an answer to the question, what is the reason? Panevezys environmentalists still waiting for the results…

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The biggest fish
Humanity is always interesting to know who in the world "firsts". Interest to the largest river predator will never run out. Amazing catfish Catfish is a fish, covered in a…

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color

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The most terrible inhabitants of sea depths

Of all the inhabitants of the sea depths of mostly afraid of sharks, but on the bottom of the sea you can find such instances, compared to which the shark — sweet little creature.

Lomosov

Like from horror movies that the black fish has a bioluminescent appendage on his chin, which lures the victim and instantly missing fanged mouth.

Deep sea angler

This predator with very well stretch the stomach, it can swallow prey that surpasses it in size. Baits are light fotoforum at the tips of the spikes on his head.The relationship between males and females is most unusual. To female teeth linked dwarf male, and lives on her body, like a parasite, feeding on her blood. After a while it fused with her lips and tongue, and other organs and parts of the body reduced and it is converted into the epididymis, which produces sperm. Continue reading

Sea, river and lake fish

We all know that water is life. Without water can’t live no living creature. And the first life originated in water. Fish one of the many live organisms living in the aquatic environment. They live in the oceans and seas, rivers and lakes. You can see them in the pond and the stream, in the waters of caves and even in puddles. In nature, there are over 25,000 species of fish, and they are divided into two classes: Bony fish (more than 23 000 species); Cartilaginous fishes (9000 species).

To the class of cartilaginous fish include sharks, rays and chimeras. To the class of bony fish include salmon. okuneobraznyh. preobrazenie. clupeiformes. Cypriniformes, catfishes, wildcookie, flatfish, coloscopie.

Fish are cold blooded vertebrates. their streamlined body covered with scales. They breathe with gills, and with the help of fins and tail to swim. Water entering the body through the mouth, passes through the gills, and spilling over her holes. Oxygen enters the bloodstream Continue reading

Pond fish: breeding

Thus, the spawning period is defined more clearly than most tropical species, for which the importance is not so much the temperature, the amount of rainfall.

You can determine the start time of spawning, regularly measuring the temperature of the water in the pond, because the spawning usually begins at a temperature of about 20°C. At this temperature the eggs develop normally. Plus or minus 5 °C, and the fry will be deformed, because things will develop too quickly or too slowly.

Physical changes in the fish also indicate the approach of spawning. For example, the males of the family Cyprinidae appear white swellings, called tubercles. Fish such as Orfe, Rudd, goldfish and koi, the tubercles appearing on the Gill covers and pectoral fins, while Cipriani – along the scalp.

Some fishes, such as sticklebacks, coloring of the male becomes brighter, attracting mates and scaring off rivals. Females of all cold-water species become fuller males. Continue reading

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Goldfish
(Carassius s. Cyprinus auratas) - belongs to the carp family (Cyprinidae) and is considered by some researchers a variation of crucian carp (Sagai vulgaris s. carassius). Since ancient times cultivated…

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The denizens of the deep
Underwater world filled with unusual creatures. Your attention predstavlyaem top 13 mysterious of marine animals. Leafy sea dragon is one of the types of seahorses, whose fins look like foliage.…

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