1, texture and color:
Salmon: high fat content, orange color, white surface pattern, wide lines and blurred edges. Rainbow trout: low fat content, thin lines and hard edges, that is, red and white are obvious.
2. Thickness:
Salmon: The meat is soft and usually cut into thick slices (about 0.7cm- 1cm). Rainbow trout: The meat is hard, so it is chewy. Generally, it is cut very thin (0.3-0.5cm).
3, gloss:
Salmon: Look at the shine. Rainbow trout: The light is dim.
4. Taste
Salmon: It is rich in fat, so it is full of meat and has the feeling of melting in the mouth. When you chew, you will feel that the meat keeps squeezing your teeth and mouth. Rainbow trout: It's chewy, but it's not so fragrant because it has less fat.
Extended data:
Salmo salar common name for some salmon, originally referring to Salmon Atlantic salmon. With the development of aquaculture, businessmen also call Pacific salmon (Oncorhynchus) and other fish "salmon". Salmon has a flat body, a convex back, sharp teeth and small scales. It is silvery gray with orange stripes when laying eggs. Salmon meat is tight and delicious, pink in color and elastic.
Rainbow trout mature individuals has 1 wide and bright red rainbow bands along the lateral line, which are purple and pink and extend to the base of caudal fin, especially in the breeding season. Such as the rainbow, hence the name. The fish is spindle-shaped and slightly flat. With fat fins, beautiful body color. There is a brown-red longitudinal band on the side of the body, which looks like a rainbow. Flat body, big mouth, oblique fissure, end position. The kiss is round and blunt, and the upper jaw has fine teeth.
The dorsal fin has a short base and a small lipid fin at the back. The pectoral fin is of medium size and slightly pointed at the end. The ventral fin is very small, away from the anal fin. Scales are small and round. The back and the top of the head are blue-green, yellow-green and brown, and the sides and abdomen are silvery white, white and grayish white. Black spots are irregularly distributed on the head, sides, back and fins.
References:
Salmon _ Baidu encyclopedia
Rainbow Trout _ Baidu Encyclopedia