Appearance characteristics

The fragrant fish is long and narrow, with a flat side, a small head and a sharp snout, and a small mouth and big eyes. The body is bluish-yellow, the back edge is dark, the sides and abdomen are white, there are small scales on the back, the tail is bifurcated, and there is a small fat fin behind the dorsal fin. When it is fresh, each fin is pale yellow, and there is a yellow spot above the ventral fin. The snout of the fragrant fish bends down to form a hook kiss. There is a protrusion at the front end of the mandible, and there is an obvious depression between the two protrusions. The upper and lower jaws each have a row of wide, flat and fine teeth, which can move and are attached to the skin. Plough bone has no teeth, and jaw bone and tongue have teeth. There are small round scales all over the body except the head. With fat fins, the body length can reach about 30 cm. Aroma fish: It belongs to the genus Salmo, Aroma, and Aroma. The local names are sesame oil fish, melon fish, fine-scaled fish, sea-born fish, fairy-born fish and autumn-born children, and the Japanese call them catfish.

morphological character

Interestingly, there is a cavity full of balsam on the back of the fragrant fish, which is called "fragrant fish" because it can emit rich fragrance.

economic value

Aroma fish has formed three different ecological types in its distribution area, which is relatively rare among fish. In particular, the formation of the ecological type of "land seal type" is closely related to crustal movement. Through the study of "land seal type" fragrant fish, it is possible to clarify the history of crustal movement in some areas and provide valuable evidence. As early as the Wanli period of the Ming Dynasty, fragrant fish has been recorded in historical materials. There was a poem that "fragrant fish comes out of the wild mountain, which is more than sweet". It is known as one of the "five treasures of the wild mountain" and has high value as an economic fish. Fresh fragrant fish will give off a sweet smell of cantaloupe and is suitable for roasting with charcoal. [ 1]

life habit

In Japan, fragrant fish is also called catfish. Because this fish has the ability to "occupy territory". Wild fragrant fish occupy about one square meter, and the range of activities is only 2-3 meters. Fragrant fish often inhabit shallow, thin and low-temperature tonghai streams, scraping moss on rocks for a living.