Qingjiang fish and catfish are two different fish species, and they have some differences in appearance, ecological Xi and living environment. 1.Appearance: The body of Qingjiang fish is flattened, the body length is oval, the back is slightly flattened, and it is grayish-brown;Catfish are fatter in size, with an oval body and a raised back, which is dark gray. The head of the Qingjiang fish is conical, and the head of the catfish is large and flat-topped. 2.Distribution area: Qingjiang fish is mainly distributed in the main stream of the Yangtze River and its tributaries in China, such as Wushan, Dabie Mountain, Qingshan, Sanqing Mountain, Shennong Mountain, etcCatfish are mainly found in the freshwater environment of southern China and Southeast Asia. 3.Ecological Xi: Qingjiang fish generally inhabit the clear waters of mountainous areas, with fish roe as the main food, and belong to carnivorous fish;Catfish, on the other hand, are omnivorous fish that feed mainly on benthic organisms. The Qingjiang fish are more active and like to swim, while the catfish are quieter and often hide in caves or aquatic plants. 4.Economic value: Qingjiang fish is a high-quality edible fish, with delicate meat, delicious taste and other characteristics, so it is deeply loved by people;Catfish are cultured as ornamental fish in some areas and are the highlight of the tank due to their bright colors and unique shape. In general, there are obvious differences between Qingjiang fish and catfish in terms of appearance, Xi and distribution area, and these differences also determine their different status in people's field of vision.
Qingjiang fish and catfish are common freshwater fish, and they have some differences in morphological characteristics, living Xi and cooking methods. The following is a detailed introduction and precautions about the difference between Qingjiang fish and catfish:
First, the detailed introduction.
Morphological characteristics: Qingjiang fish has a long body, a pointed head, and large and hard scales. Catfish have a shorter body, a blunt head, and smaller, softer scales.
Xi: Qingjiang fish like to live in clear rivers and lakes, feeding on small aquatic animals. Catfish, on the other hand, prefer to live on the bottom of rivers and lakes, feeding on benthic animals and aquatic plants.
Cooking method: Qingjiang fish meat is delicate, suitable for steaming, braised and other cooking methods. Catfish has a fatty meat and is suitable for cooking methods such as stewed soup and braised catfish.
2. Precautions.
Shop for fresh fish: When buying Qingjiang fish and catfish, choose fresh fish. Fresh fish have clear and transparent eyes, intact scales and elastic flesh.
Cleaning: Wash the fish before cooking, removing scales, gills, and internal organs. Cleaning the fish reduces the interference of impurities during cooking.
Cooking time in moderation: Cooking time for Qingjiang fish and catfish should be moderate, not too long or too short. Cooking too long may cause the fish to become old and woody, while too short a cooking time may leave the fish undercooked.
Mix ingredients appropriately: When cooking Qingjiang fish and catfish, it is necessary to match them with reasonable ingredients. You can choose the right ingredients and condiments according to your personal taste, such as green onions, ginger, garlic, cooking wine, soy sauce, etc.
Pay attention to the heat: Pay attention to the control of the heat during the cooking process. Too much or too little heat will affect the taste and quality of the dish. Adjust the heat according to different cooking methods and the characteristics of the ingredients.
Proper preservation method: When preserving Qingjiang fish and catfish, store them in a low-temperature, dry, and well-ventilated environment. Avoid prolonged exposure to high temperatures or humidity to avoid affecting its quality and taste.
In short, although Qingjiang fish and catfish are both freshwater fish, there are some differences in morphological characteristics, living Xi and cooking methods. Attention to detail in purchasing, cleaning, cooking, matching ingredients and preservation is necessary to make delicious Qingjiang fish and catfish dishes.