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
On this page You will get complete information on goldfish.
Today there are several dozen varieties and breeds of goldfish. The body shape of common goldfish resembles a goldfish. The main difference between the Golden fish from its wild ancestor is the Golden color of her torso, which may vary from Golden yellow to red.
One of the breeds of goldfish, the comet has an elongated body and very long fins. Its two-bladed tail fin has a deep neckline. The other species – shubunkin, body shape as the common goldfish, only more rounded and some elongated fins. Scales it transparent. Coloring goldfish breed shubunkin can be varied: red, yellow, white, blue, blue, or purple. Valuehost has a short egg-shaped body and an unusual configuration of the tail, divided into two halves: right and left. Standing upright dorsal fin of this fish is large enough. Oranda looks a lot like vualehvostki, but unlike him, has on the head a specific fat build-up. Livingonlove notable for the fact that the dorsal fin is not present. The telescope has a strongly bulging eyes, protruding sideways about five inches.All goldfish have fairly large dimensions, in length, they can reach thirty centimeters. Continue reading
GLASS CATFISH (Indian glass catfish, Kryptopterus bicirrhis; Cuvier et Valenciennes) — in length reaches 10 cm Its second name — som-Ghost — fish received for the transparency of his body. Visible skeleton and all internal organs. Body strongly elongate and flattened laterally. The dorsal fin is extremely small and is located immediately behind the head; below the head is deeply cut almost to the caudal fin extends continuously oscillating, crystal clear anal fin. In the reflected light of the fish glisten all colors of the rainbow, at the same time, remaining so transparent that through them are visible for the fish items.
In addition to transparency, the glass catfish is distinguished by a long anal fin, a pair of long antennae on the upper jaw, small dorsal fin (from one beam) and the position of the head body to the surface.
Glass catfish (Kryptopterus bicirrhis Cuvier u. Valenciennes) lives in South-East Asia, the Great Sunda Islands, Java, Sumatra and Borneo. Continue reading