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Sometimes when fishing or shopping forthe market is difficult at first glance to determine what is called fish. And this knowledge is important enough. After all, each fish has not only a different taste, but also the features of the structure that can affect the way it is cleaned and cooked
The way to determine what the name of the fish is called, according to external signs
For identification, a number of distinctivesigns, by which, at least, you can identify the genus and family to which this or that fish belongs. According to the signs listed below, it is possible with great probability to determine exactly what the fish is called. So:
- Shape and type of scales;
- The presence or absence of tendrils at the mouth, their number;
- What shape does the body of a fish have - serpentine, flat, swept, oblate, flat, etc .;
- The location of the mouth;
- Presence or absence of scales (naked or scaly body);
- Dimensions and shape of snout;
- Absence or presence of a fatty eyelid and a fin;
- The shape of the lateral line, as well as the size, shape and number of scales located directly beside it.
- The Atlantic sturgeon has a spindle-shaped body, an elongated snout, and a small lower mouth. From the bottom on the snout there are two pairs of smooth
elongated tendrils. The fin on the tail is usually asymmetric. It reaches a length of up to 3 meters.
- Sterlet in appearance is very similar to sturgeon, butdiffers pointed and bent upward snout. On the sides of the body there are 60-70 bone bugs. Also there are short antennae. This is a medium-sized fish - its average size is about half a meter.
- Beluga is distinguished by a very powerful, large body,tapering to the tail, and a large mouth. Antennae in the fish are located below the snout. This is one of the largest fish that live in fresh water - its body length can reach 4.2 meters.
Family of carp
- The length of the bream's body is 50-70 cm, the shape of the bodystrongly compressed from the sides. The weight of large individuals can reach 1.3 kg. Boka is white-yellow, with a silvery gleam, the belly is white with black patches. Fins are blue or almost black.
- Body aspal oblong, slightly flattened laterally. The mouth is turned upward. Anterior pectoral fin is mild, and scales shallow. There are pharyngeal teeth, which are arranged in two rows.
- Podus ordinary has a long body, its shape is roundish,
only slightly squashed on the sides, scales on the body shallow. The back color is dark green, and the rest of the body is silvery white. The largest individuals reach 1.5 kg by weight and 0.5 m in length.
- Yaz has a moderately elongated body - up to 70 cm. This fish has a rather wide forehead. At the end of the snout is an oblique mouth. The weight of the largest individuals can be up to 4-5 kg, and the length of the body - about half a meter.
- Redfish - small fish, the size of its body -maximum 20-25 cm in length. Back and belly in color may differ, depending on the season, usually they are gray-white or greenish-brown color. A distinctive feature are the fins painted in bright red.
Family of percids
How exactly are the fish from this family called,are determined by the presence of thorns on the anal fin (usually from 1 to 3), the shape of the dorsal fin (usually it consists of a soft and prickly part, in some species they can be joined, in others they are separated), and bristle-like teeth, among which in some species can be present and fangs.
- Perch ordinary has a back of dark green color and yellowish sides, on which there are 5 to 9 transverse bands. All fins except
pectorals, - bright red color, and breast - yellow. The first dorsal fin also has a black spot.
- A distinctive feature for pike perchis the presence of 19 to 24 rays in the dorsal fin (the second one), and from 11 to 13 in the anal fin. The gill cover is bare or only slightly covered with scales. Sudak is the largest representative of the family, its body length can reach 1.2 m, and weight - up to 12 kg. Although the average individual has a more modest size: usually about 60 cm in length and 2-3 kg in weight. The back of the fish is gray-green, on the sides there are from 8 to 12 dark-brown strips. The dorsal and caudal fins are covered with dark spots, while the rest are colored yellow.