Lobster sketch as follows:
01. First draw the crayfish cute eyes
02. Then draw the crayfish head, mouth
03. Continue to draw the crayfish pincers
04. Then draw the crayfish a few small legs
05. A complete crayfish on the drawing of a good
06. To draw a good line drawing of crayfish, using markers to color color, so a lovely crayfish on the drawing of a good.
The crayfish's adaptability, fast breeding speed, rapid migration, like digging holes, on crops, embankments and agricultural water conservancy facilities have a certain destructive effect. In our country had long regarded as a hostile organisms, there are still many people worried.
But the crayfish's ability to dig holes, the ability to climb, as well as the speed of movement on land are far weaker than the Chinese velvet crabs. On the whole, crayfish as an aquatic resource for human beings is more good than bad, with high development value. As farmed species, crayfish have the following advantages:
1, crayfish strong adaptability to the environment, less disease, can grow in lakes, ponds, rivers and ditches, rice paddies and other bodies of water, the breeding conditions are not demanding, breeding technology is easy to popularize.
2, crayfish can be directly converted from plant to animal protein, and faster growth, generally after 3-4 months of breeding, can reach the market specifications, and thus has a high energy conversion rate.
3, crayfish miscellaneous diet, to ingest organic debris in the water column, aquatic plants, and animal carcasses, without the need to feed special feed, not only low-cost farming, but also fast-growing, high-yield, good benefits.
4, crayfish fishing method is simple, can be away from the water for a long time, easy to transport, transportation and high survival rate. In the fishing and transportation of products to save time, labor, low cost, fish farming and it can not be compared.
5, crayfish flavor, nutritious, is our country's urban and rural masses of home cooking, but also our country's main export of freshwater aquatic products, welcomed by the domestic and foreign markets, the product demand exceeds supply, the market has broad prospects.