The Eye of the Secret Realm · The Calendar of Human Friends | Huang Yan: It looks like a long snake as a fish

Editor's note:

The wild boar goes down the mountain! "Monkey Paper" to my balcony! The news of wild animals entering the city frequently shows social media. In fact, there are many local wild animals around us, and they are neighbors with us, but we rarely understand them. Understanding, friendly, and accompanying, everything can be raised and raised. Xinhua Daily · Jiaojiao Point Unite Jiangsu Wildlife Protection Station, Jiangsu Forestry Science Research Institute, Nanjing Institute of Aquatic Sciences, Nanjing Hongshan Forest Zoo, etc. launched the "Eye of the Secret Realm · Friends of Humanity" calendar column to take you together Through the perspective of infrared cameras, animal observer, etc., pay attention to the familiar and mysterious "animal neighbors". Biological diversity is the foundation and vitality of human homes. Every solar term, we will also invite solar terms to carry out the special selection and broadcast on the day. Today, let's get to know Huang Tao together.

Don't be afraid, I'm not a snake

Scutellaria is a kind of gill fish family, also known as catfish, and people in some areas of Jiangsu are used to call it "long fish". Many people think that the yellow cricket thinks it is a "snake" at first glance, because the appearance of the yellow cricket is too similar to the snake! It has a slender shape and yellow -brown body color, with irregular black spots on it. The longest of the yellow crickets can reach up to 1 meter. There are no scales and fins in the body, and the head is long and round. The upper and lower jaws have fine teeth, and they are alive like a "snake".

What are the habits of Huang Yan?

Jiangsu Water Network is densely set, and there are many wild scutellaria. Many people in Jiangsu know that Huang Yan's "sexual long" (tenacious vitality). Even if you leave the water, as long as you keep your body humid, you can maintain immortality for several days. This is because the gills of the scutellaria baicalensis have been degraded. They can use the inner wall epidermis of the mouth and throat to help breathe, and they can breathe directly in the water.

Huang Tao likes to live in a stone gap in the mud in multi -rotted implants or in the stones with water in the embankment. Huang Tao is a fierce meat fish. When eating, it is mostly a suction method. Whenever it feels that there are small animals on the edge of the mouth, it opens the "blood basin's mouth" suction, frogs, tadpoles, earthworms, snails, small fish. It is its prey. The blood of the yellow cricket is toxic. Although this toxin is not heat -resistant, the accidental food will stimulate the human mouth and digestive tract mucosa.

I am both a dad and a mother in my life

Huang Yan has a major feature, that is, the phenomenon of "sexual reversal". It has experienced two sexual maturity throughout his life. From the embryo period to the first sexual maturity, it is a female individual. The ovarian after spawning gradually becomes a fine nest.

When spawning, the female scutellaria baicalensis often spit the foam at the entrance of the cave, and the eggs are entangled in the roots or stone seams of the aquatic plants near the cave. The fertilized eggs are generally hatched about 8 days. The young fish can be swimming for 12 days after hatching.

Write: Jin Yiwei

Beautiful editor: Cao Jiarui

Photo source: Nanjing Pecgaining Aquatic Biological Protection Association

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