Sea dragon — Trachinus draco
Dragon, Scorpid, dragon (no.)
Sea dragon – Trachinus draco
Sea dragon is the only representative of the family of the Drakensberg (Trachinidae) in the Black sea. Characterized by low elongated body covered with dense small scales. On the head of a sea dragon there are several spikes, the largest of them is located on the operculum and sent back. The first of two dorsal fins with a black spot, short, and consists of 6-7 spiny rays. The body color is gray or yellow with oblique bands on flanks, fins greenish, the tail on the falling edge of almost black. In the Black sea dragon lives everywhere known cases of arrest in the Kerch Strait. In the coastal zone of the Crimea the sea dragon is most common from may to November at depths up to 20 m, deeper in winter is kept. Continue reading
Today, many gardeners strive to create a beautiful pond on the site, but fill it with amazing fish . different types of which there are plenty. The fish pond is really a great option which allows you to make the garden more lively, bright and attractive. Colorful fish are not only surprising for its beauty, but also make the pond even more original. In addition, there is the practical side – the fish consume mosquito larvae and other insects, which makes the stay in the garden more relaxing and enjoyable.
However, before launching into the pond any fish . you need to get acquainted with all the nuances of this field. Any fish in the pond . regardless of its kind, always rather fanciful as to environment and food. Therefore, before you purchase any fish . you need to know about the conditions of their detention, feeding, and also about the features of each type of pond fish . Continue reading
The sea always attracted people to him, maybe even more than the sky. The world ocean is the habitat of a huge number of plants, fishes, sea animals, including mammals. There are several zones of ocean life. Most inhabited the upper water column, down to 300 meters, as this is the most illuminated part.Area at a depth of from 300 to 1000 metres is the name of the region of penumbra. At a depth of over 1000 meters there is an absolute darkness and intense cold, there are no plants.
The pressure at great depths is very high, at a depth of 3800 m, the pressure is 400 kg cm3 and at a depth of 10900 m – already 7250 kg cm3. The denizens of the deep in different ways have adapted to these difficult conditions. The only food source of deep-sea animals – the corpses of the inhabitants of the upper part of the ocean and bacteria.Their eyes are either absent or reach a high degree of development they are sometimes of enormous size, are often placed on the lateral appendages of the stems or telescoping, is provided with a lens system. So, the eyes of the coelacanth fish have a cylindrical shape, this allows it to see distant objects. Continue reading