strong

Sea dragon, sea dragon, Scorpid

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

Fish catfish. Fishing for catfish

Catfish — fish–giant. It is the largest predator that lives in fresh water. Belongs to the family somovyh. Representatives of this family are peculiar to the clumsy, highly elongated, spindle-shaped body, naked or covered with bony plates. The head is relatively large, tapered. Mouth wide, with numerous small teeth having the shape of a cone.

To this family belongs more than 550 species that live in fresh waters. Most likes deep standing water and is muddy. Catfish hunt, lying on the bottom motionless waiting for prey.

In reservoirs of Russia, the spread of ordinary som. It sometimes reaches a length of 3 m, weight 300 kg. Scientists believe that these giants are about 80-100 years, but most caught catfish weighing 10-20 kg. Their body is covered with a thick layer of mucus, the skin is dark with a greenish tint. Continue reading

Diseases of aquarium fish guppies

Aquarium fish guppy (Poecilia reticulata or Lebistes reticulata) are considered to be strong enough and healthy fish, so rarely get sick.

But still at the wrong conditions of keeping and feeding, they can also get sick.

The most common guppy diseases include the following:

The mycobacteriosis (fish tuberculosis)

Trichodinid

Platforms

Scoliosis

Fin rot

Red scab

Split and compression of the fins

Hermaphroditism

The mycobacteriosis is manifested by the fact that the fish looks much emaciated, the abdomen retracted it. These fish simply destroy and disinfect aquarium plants decontaminate bitsillinom. Continue reading

Sea catfish
Ordinary som is one of the largest freshwater fish. Inhabits Europe in the basins of the Caspian, Black, Azov and Aral seas, and here in the basin waters of the…

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Life in the deep sea
Biology, Life in the deep sea . The report of the Speech of the World ocean is the habitat of a huge number of plants . fish . marine animals…

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