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Ling Lei Zi (Spiritual Snail): Cui Yu stated: The flavor is salty and sweet, the nature is slightly cold, and it is non-toxic. It primarily directs Qi downward, tonifies the Qi of the Liver and Gallbladder, and brightens the eyes. It is abundant in the East Sea. Its appearance resembles a tangerine but is round. Its shell is purple with horn-like spines growing from it, using these horns as feet; its mouth resembles a human navel, containing a hard, white object like horse teeth inside, and its intestines are red-black like leeches. It is particularly effective for treating throat obstruction (Hou Bi) and benefits men. (Japanese name: Ujin.)

Xin Lei Zi (Pungent Snail): Cui Yu stated: The flavor is pungent, the nature is greatly hot, and it is non-toxic. It resembles a carapace snail but has a lid on its mouth; the lid resembles a shell, and its fragrance and color resemble amber. Bo Guang (a type of snail) is this kind. Eating it provides a delightful taste. Once, members of a master's sect obtained this and prepared to eat it, but heard dozens of nuns chanting at night. Upon waking, they heard nothing, so they released the snail and ceased eating it. (Japanese name: Obanshi.)

Jia Lei Zi (Carapace Snail): Cui Yu stated: The flavor is astringent and salty, the nature is slightly cold, and it is non-toxic. It treats Gu Du (toxin from insects/snails) and tonifies the Middle Jiao. It resembles Xin Lei Zi but has a horn-like lid on its mouth; the lid has textures like reptile skin, resembling shark skin. In ancient times, Lie Zhen went to Jiebei in the East Sea and caught a giant snail, as large as a ten-sheng vessel. While preparing to eat it, it transformed into a woman at night, saying they would be husband and wife, and they traveled together for ten days before she vanished. Lie Zhen examined the snail and found a glowing object; after it decayed, a large pearl formed. He did not eat it and attained immortality. (Japanese name: Dibi.)

Xiao Lei Zi (Small Snail): Cui Yu stated: The flavor is astringent and salty, the nature is slightly cold, and it is non-toxic. It treats bloody and white dysentery and tonifies the Middle Jiao. It resembles Jia Lei Zi but is smaller. It has a jade-white lid on its mouth and is eaten after boiling. (Japanese name: Zhiduomei.)

Kouguang Da Xin Luo (Large Pungent Snail with Wide Mouth): The "Seven Volume Sutra" states: The meat is sweet and cold. Its bile is pungent. Its shape resembles the Large Pungent Snail but is slightly smaller, with a thinner shell and light green-black color. (Japanese name: Oboroshi.)

Shi Yin Zi (Stone Yin Substrate): Cui Yu stated: The flavor is sour, the nature is slightly cold, and it is non-toxic. It treats Xiao Ke (Wasting and Thirsting), Ke Li (thirsty urination), Huang Dan (jaundice), Yong Chuang (carbuncles and sores), brightens the eyes, and tonifies the Middle Jiao. It resembles a human foot but is dark black and hairy on the surface. This creature lives in the sea and possesses Yin Essence, hence the name Shi Yin Zi. (Japanese name: Kasei Ikaubi.)

Long Ti Zi (Dragon Hoof Substrate): Cui Yu stated: The flavor is salty and pungent, the nature is cold, and it is non-toxic. It treats jaundice, Xiao Ke, Ke Li, and aids in sobering up. It resembles a large hoof and grows flesh attached to stones; those with black and white curly hair on the head are this kind. (Japanese name: Yo.)

Jiju (Hermit Crab): Cui Yu stated: The flavor is salty, the nature is cold, and it is non-toxic. It treats thirst, aids in sobering up, and removes irritability and heat. It resembles a spider. This creature likes to inhabit other shells, carrying them while walking. When startled by humans, it retracts its feet, rolls over, and feigns death before moving again. People pick it up to eat. If the shell is roasted over fire, it crawls out and can also be collected and eaten. The "Shiyi" states: Eating it improves complexion. (Japanese name: Kamuna.)

Yongjian (Sword-arm Crab): The "Shanfu Jing" states: It is not used in medicine. The "Seven Volume Sutra" cites the "Guangzhi": Crabs with yellow color, two inches square, have one claw extending more than three inches, which is particularly shiny. The shorter claw is used to put food into the mouth. Some say the large claw is sharp like a sword, reflecting its true nature. (Japanese name: Kasana.)

Xia (Shrimp): The "Seven Volume Sutra" states: The flavor is sweet, the nature is neutral. Eating it has no benefit or harm. It should not be consumed with plums, li fruits, or raw vegetables, as this causes disease. The "Yangsheng Yaoji" states: Shrimp lack certain features. It also states that shrimp with black undersides are poisonous and can cause death. Furthermore, shrimp that turn white instead of red when boiled should not be eaten, as they may harbor parasites in their abdomen. (Japanese name: Ebi.)

Xie (Crab): The "Bencao" states: The flavor is salty, the nature is cold, and it is toxic. It treats stagnation and pain from evil heat in the chest, facial swelling, disperses blood and Qi, and heals lacquer dermatitis. Cui Yu stated: It treats nasal discharge with foul blood, brightens the eyes, and aids in sobering up. There are many types of crabs. Cai Mo, upon first crossing the river, did not recognize crabs and ate them, nearly dying. He sighed, saying, "I was misled by those urging study because I was not familiar with the 'Erya'." Meng Shen stated: The marrow and brain in crab legs can reconnect broken bones and tendons. People take the crab brain, lightly roast it, and apply it to wounds to heal tendons. The "Seven Volume Sutra" states: Crabs with eyes facing downward are harmful if eaten. Ma Wan stated: Crabs have six legs and no hair on the belly, and they can be fatal. The "Yangsheng Yaochao" states: Crabs with opposing eyes, red eyes, or spotted legs should not be eaten as they are fatal. The "Shijing" states: Certain conditions involving cold diarrhea and coughing should avoid excessive consumption. (Japanese name: Kani.)

He Beizi (River Shellfish): Cui Yu stated: The flavor is salty, the nature is cold, and it is non-toxic. It treats jaundice and Xiao Ke. (Japanese name: Mina.)

Tianzhong Luo Zhi (Juice of Field Snails): The "Bencao" states: The nature is greatly cold. It treats red pain from heat in the eyes and stops thirst. Tao Hongjing's commentary states: It grows in field water and lake banks. Those round and large like pears or persimmons are also boiled and eaten. It treats heat, aids in sobering up, and stops thirst. For eye pain, mix Cinnabar (Zhen Zhu) and Rhizoma Coptidis (Huang Lian), wrap in cloth, apply until sweating occurs, then extract juice and drip into the eyes; this often cures the condition. Su Jing's commentary states: The shell treats Shi Zhu (ghostly consumption), heart and abdominal pain. It also treats seminal emission. The "Shiyi" states: Boiling and eating it promotes urination and defecation, removes internal heat accumulation, treats yellow eyes, upward rushing of Hong Xiang Jiao (gout/leg swelling), lower abdominal stiffness, red and scanty urine, and edema of hands and feet. Soaking in raw water and drinking the juice stops Xiao Ke. This creature is extremely hard to kill; one found in mud on a wall survived for twenty years. Cui Yu stated: Tianzhong Lei Zi, the flavor is salty, the nature is slightly cold, and it is non-toxic. It primarily aids in sobering up. It tonifies through coldness. (Japanese name: Totobi.)