Guan male crab
Common Name: Pingjia Crab
Origin and Date of Birth:
Guan Yu crab is a small crab that lives in the shallow sea mud sand bottom and camp benthos.
Introduction:
Crabs living in the ocean, crab family is quite prosperous a, they are not only a wide variety, but also different skills. There are flying sand crabs, hermit crabs that don't pay rent, coconut crabs that can climb trees, and high-legged crabs that support their bodies on the bottom of the sea with long legs more than one meter long. Among the numerous sea crabs, the strangest and most legendary one is the Guan Yu crab.
Its carapace width is only about 3 cm, the distance between the back and abdomen is very small, almost no thickness, so the crab body is particularly thin. Because the grooves on its back armor resemble the facial features of Guan Gong, a general of Shu State in ancient China during the Three Kingdoms Period-lying silkworm eyebrows and red phoenix eyes, it is called Guan Gong crab in China.
This small crab has four pairs of feet, and the last two pairs of feet are short and sharp, scissors shaped. Guan Yu crab can use these two pairs of short feet to grab shells, stones or leaves larger than his body and carry them on his back to disguise his body to defend himself from enemies.
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A few things to pay attention to when raising butterfly fish
1 Avoid keeping butterflies of the same species and size together. Different species of butterfly fish do not have this concern. Butterfly fish raised in aquariums for a long time do not like new fish to move in, and they will collide and attack each other. In this case, attention should be paid to isolation. Aquarium should be set up for fish hiding place. Beginners and busy people are not suitable for raising butterfly fish of body size. Because small butterfly fish have small mouths and eat slowly, their prey is often snatched by big fish or fish that eat quickly. Small butterfly fish under 3 cm, one
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Commonly used pond cleaning drugs and their effects
Medicine cleaning pond is to use drugs to kill all kinds of ferocious fish, wild miscellaneous fish and other enemy organisms that endanger fish, shrimp and crab seedlings in the pond, so as to create a safe environmental condition for seedling breeding, which is an important measure to improve the survival rate of fish, shrimp and crab seedlings. The commonly used pond cleaning drugs and their effects are introduced as follows: 1. Quicklime pond cleaning and its effect: quicklime pond cleaning is a chemical reaction of quicklime after meeting water, producing calcium hydroxide and releasing a large amount of heat energy. Calcium hydroxide is a strong alkali, and its hydroxide ion can make the p of the pool water in a short time.
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