It's the character for snapper, Chinese: diao, Japanese: たい (tai), a type of fish that has a blessed, auspicious meaning because it's red.
diāo 鲷鱼
Alternative names: gaji fish, bengaji, gajin snapper, copper pot fish. Snapper is an extremely popular food fish for its flavorful meat. Fish like the gilt-eye snapper and spiny-tailed snapper take the name snapper.
Snappers eat shellfish, shrimp, and sea animals at deeper depths near the coast. There are small blue dots scattered in what appears to be dark gray water, but it is actually a nearly red body color. They come to shallow places for spawning when they are about 4 to 6 months old, and before that, the snapper in early spring is called parrot snapper, and it is the fish with the best flavor and the most expensive price.
Expanded Information
The general name for fish in the snapper family. The body is laterally compressed and elongated oval with a large head and small mouth. Lives in the ocean. There are many species. Is the main edible economic fish in China. Such as: sky hats sea bream; red hats sea bream; rock sea bream.
Also known as sea breams. a collective name for about 100 species of marine fish, typically high-backed like the flute snapper or rock bass fish. It has one dorsal fin, a small mouth, and sharp teeth, and feeds on fish and crustacean invertebrates. It resides in freshwater and is widespread in tropical and temperate waters. Most are less than 30 centimeters long, but some can grow up to four times that length.
In Japan, there is a closely related species; the snapper, another important food fish. There are also several valuable species in Europe, such as the small snapper, which has a reddish or golden-silver body and lives in deep water.
In the western Atlantic there are the golden-eyed porgy, a small fish with a light brown dorsal side and silvery-white ventral side, and the sheepshead snapper, a light gray fish with black bands, up to 75 centimeters long and weighing up to 9 kilograms, both of which are edible fish that can be fished for.
The fish in this family are similar in appearance to the snappers or rock basses, but the snappers are taller and more laterally compressed; the incisors and canines of the upper and lower jaws, as well as the molars on both sides, are more developed. The body is oval or ovoid, the head is large, the front part of the body is higher, the dorsal margin is curved, and the ventral margin is flat. The head and cheeks are usually scaled with large, weakly pectinated ctenophores or rounded scales. The lateral line is single and complete, favoring the dorsal side. There is variation in body shape and lateral markings.
Baidu Encyclopedia-Sea bream