Murraycod (Maccullochella peelii peelii), belongs to Perciformes, Percichthyidae, Maccullochella, also known as the dragon's pattern and the worm's pattern. The body of the fish is fusiform, the back of the body is yellowish-black or dark green, the belly color is light yellowish-white, and there are patterns on both sides of the body. The body shape and body color are excellent.

Living in Murray-Darling waters in southern Australia, Murray-Darling is a warm-water fish. It is the largest freshwater fish in Australia with an adult size of 80 ~ 100 cm. An individual with a body length of 1.8m and a weight of 113kg has been found in natural waters.

The meat of Murraycod is firm, white and tender, tastes delicious, has no muscle prickles and no fishy taste, and has a light unique fragrance. It is rich in essential amino acids, omega-3 and polyunsaturated fatty acids, and has high nutritional and economic value. It is known as "national treasure fish" in Australia.