The pinyin of 鲲 is [jì], which is a kind of fish with flat sides, about ten centimeters long, and silvery white. They live in the ocean and go to rivers to lay eggs in spring or early summer. They are commonly known as "anchovies".

The words are as follows:

Swordfish, river bream, swordfish, plum bream, seven-threaded bream, and short-jawed bream.

A brief introduction to the bream fish is as follows:

The general name for fish belonging to the genus Herringidae and the order Herringidae of the teleost class, belonging to the economic fish category. Distributed along the northern coast of the Indian Ocean to China, North Korea, and Japan. It is produced along China's coast and in all major rivers. There are currently 4 species produced in China: sword bream, phoenix bream, seven-threaded bream and short-jawed bream. Among them, the sword bream and the phoenix bream have greater economic value.

The body is elongated, flattened on the sides, tapering backwards, and has ribbed scales on the abdomen. The snout is short and rounded. Big mouth, lower position. The maxilla extends backward to the gill cover or the base of the pectoral fin. The body is covered with thin round scales. No side lines. 1 dorsal fin. The base of the anal fin is longer and connected to the tail fin. The upper part of the pectoral fin has 6 to 7 filamentous free rays. The upper lobe of the caudal fin has a long tip and the lower lobe is short.

Adult fish feed on shrimps and small fish, while young fish feed on amphipods, cladocerans, and copepods. From February to March every year, broodstock begin to migrate upriver from the sea into main streams, tributaries and ancillary water bodies for reproductive migration. The spawning group is dominated by 3-4 winter-old fish, and females are generally larger than males. The fish meat is tender, delicious and rich in fat. In addition to being sold fresh, anchovies can be fried and made into canned anchovies. Small swordfish are usually dried into dried fish.