Yuluo is a kind of mollusk belonging to the family Yuluo in the gastropoda.Also known as brown jade snail, belt jade snail[3]。Its shell is spherical, with a length of 45 mm and a width and length of nearly the same;Shell thickness;The shell surface is brown or yellowish brown, the top of the shell is dark brown, and there is a yellowish white spiral band below the suture line and in the middle of the body spiral layer;The mouth of the shell is wide, the sliding layer of the umbilicus is small, and the umbilical foramen is large and deep[4]。
Conch is distributed in the coastal areas south of Taiwan and Fujian, and also in the Indian Ocean to the Western Pacific Ocean.It is a common species in the southeast coast of China and lives on the fine sand or muddy sandy sea floor with a depth of more than 10 to tens meters in the subtidal zone[4]。The conch is a carnivorous animal, often hunting other shellfish for food, so it is the enemy of shellfish breeding[5]。
Jade conch shell can be used as medicine. It tastes salty and bitter.It is cold in nature and belongs to the liver channel.It has the effects of clearing heat and detoxification, resolving phlegm, softening and firmness, dispersing knots, detumescence, acid and pain relief.It is mainly used to treat lymph node tuberculosis, excessive gastric acid, gastric and duodenal ulcer, acute limb arrest, neurasthenia, sore, boils, swelling and pain.Its meat can be eaten fresh and tastes delicious.Shells can be viewed or used as handicrafts[4]。
It is widely distributed, with traces in the hot, warm and cold zones, and mostly inhabits in the middle and lower intertidal zone and the mud and sand bottom near the base level.
morphological character
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Natica
The outer surface of the jade snail is spherical, and the shell mouth is half moon shaped.The sliding layer of the inner lip is thick, sometimes rib shaped, almostUmbilical foramenCover.Their axe feet are extremely developed, and can be wrapped in shells. Their function is similar to that of a hoe. They can be used to dig sand and bury their bodies in the sand.The tentacles of the jade snail arethreeAngular and flat, sharp front, eyes and vision have degenerated, long snout can stretch.These animals areCarnivorous animal, feeding on bivalve mollusks or other animals.The ventral surface of its snout has a perforated gland, which can dissolve the shells of bivalves, and then use the tongue file to eat their meat.Usually inIntertidal zoneI saw many empty shells of bivalves with a round hole at the topthe initiator of evilSeven out of ten are made of jade conch.
After crawling on the sand, the jade snail often leaves a clear trace due to the role of its front foot to hoe the sand. After the tide ebbs, the collector can track this line of "footprints" to find it.The shell of the jade snail is spherical or gyroscopic, with short spiral part, swollen shell layer, smooth shell surface or thin spiral grooves.Oncomelania variegataIts shell surface is covered with purplish brown or yellowish brown spots. Most of its meat is edible, but because it is a carnivorous animal, it is the enemy of seashore shellfishoneWhen hunting bivalves or small fish, they first drill holes in these prey, and then insert their mouths into the holes to eat the prey.
It is a common species along the coast of China, with more in the north than in the south.In addition, in the south of Hokkaido, JapanKyushu, Korean Peninsula, Philippines: Australia and the Gulf of Oman in the Indian Ocean are also distributed.Meat is served as food supplement,QingdaoThe vegetable market is often on sale.Shells can be viewed and used as handicrafts.Because it is a carnivorous species, it is the enemy of shellfish cultured on the beach, but it is also the bait of benthic fish, such as the one found in the stomach of horse faced whalesFlatfishThe shell and mediocrity of.
The shell is hemispherical, hard and thick, flat and wide in back and belly.The shell top is low and small, the spiral part is short, and the width of the body spiral layer suddenly increases.The shell surface is smooth without ribs, and the growth lines are obvious.The shell surface is yellowish brown, the top of the shell is purplish brown, and the base is white.There is a rainbow like brown ribbon below the suture of each spiral layer.The mouth of the shell is ovoid, the outer lip is thin and curved;The sliding layer of the inner lip is thick, and a dark brown callus connected with the umbilical cord is formed in the middle, on which there is an obvious groove mark.The umbilical foramen are large and deep.The operculum is horny and yellowish brown.Ecology, utilization andgeographical distribution: Living inIntertidal zoneTo the sandy and muddy bottom with water depth of 50m, usuallyLow tide areaTo live at a depth of about 10m.They often dive into the bottom to hunt other shellfish for food.It lays eggs from August to September, and the eggs and fine sand stick into a collar
The shell is thick and solid, the spiral tower is flat, the spiral layer is small, and the body layer is large.The spiral layer is convex and round, but flat under the shallow suture.The umbilicus hole is large and slender with longitudinal grooves, partially covered by rib like inner lip sliding layer.The screw shaft is straight and smooth.The surface of the shell is milky white, with reddish brown stripes;The shell is purple or brown.
(Natica maculosa)EuphorbiaceaeAn animal of the genus Euphorbia.It is distributed in Japan, Indochina Peninsula, Liaoning, Shandong, Zhejiang, Fujian, Guangdong, Hainan Island and other places in mainland China. Its living environment is sea water, and it generally lives on the beach in the intertidal zone and lower zone.
form feature
The shell of Babylonia variegata is slightly spherical, thin and solid, and its width is nearly equal to its height.The spiral layer is about 6 layers.The shell surface of each layer is slightly raised and the suture is shallow.The top of the shell is small and papillary.The spiral part is short and small, its height is about 1/3 of the shell height, and the body spiral layer is expanded.The shell surface is smooth without ribs, and the growth lines are fine.The shell surface is grayish yellow, covered with irregular purplish brown spots, the top of the shell is purple, and the base is white.The shell mouth is ovoid with complete edges.The outer lip is thin and curved.The upper part of the inner lip is not obvious, the middle and lower parts are thickened, and a nodule is formed in the middle and attached to the outside of the umbilical cord.The umbilicus is large, and its lower half is almost covered by nodules.The inner surface of the shell is bluish white.The operculum is calcareous, with two ribs on the outer edge.
Ecological habits
The spotted whelk lives on the bottom of mud or sediment bottom water in the middle and lower intertidal zone.It has strong mobility and can move between deep and shallow water with seasonal changes.When living in caves, the depth can reach 5-8 cm.The main food is bivalve.It is dioecious and fertilized in vivo.The 2nd instar can reach sexual maturity, and the reproductive period is 8-9 months.It is distributed along the coast of China.After falling tide, they can be picked up by hand sporadically.The meat is fat and delicious, and can be eaten fresh.The shell can be used to make handicrafts, which are economic shellfish.[1]
nutritive value
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Babylonia oblata and Babylonia oblata are characterized by high protein and low fat. The total protein content of Babylonia oblata (by wet mass) is 19.34%, and that of Babylonia oblata is 15.55%. The two include 18 common amino acids, of which 8 essential amino acids are complete, accounting for 33.93% of the total amino acids (Babylonia oblata) and 36.19% (Babylonia oblata) respectively. Four delicious amino acids in the two Babylonia oblata are rich, accounting for nearly 40% of the total amino acids,The ratio coefficient of amino acids in Euphorbia oblate was 51.59, and that in Euphorbia oblate was 45.41;Unsaturated fatty acids (both over 60%) are the main fatty acids in the soft parts of the two kinds of conch, of which eicosapentaenoic acid+docosahexadilute acid (EPA+DHA) is close to 20%;The content of K in the soft part of two kinds of conch is the highest, followed by Mg;The content of Fe in trace elements is the highest, followed by Zn. The mass ratios of Zn to Cu in the two kinds of whelks are 3.39 and 5.05 respectively, and the mass ratios of Zn to Fe are 0.33 and 0.80 respectively, which indicates that the ratio of Cu, Fe and Zn in the two kinds of whelks is relatively reasonable.Both Euphorbia platyphylla and Euphorbia platyphylla are economic seashells with high nutritional value, high edible value, broad breeding prospects and market development potential.[2]
Dictionary explanation
1. The laudatory name of conch.A musical instrument often used for playing.
The poem "Piao National Music" by Bai Juyi of the Tang Dynasty: "The jade snail blows the chignon, and the bronze drum beats the tattoo enthusiastically." Wang Maolin of the Qing Dynasty wrote "The bronze drum song is for Shubaigei": "The dragon master is miserable and straight, and the state of Piao must not cross the jade snail." Self note: "In Zhenyuan, the state of Piao enters the music with jade snail and bronze drum."
Wang Juzhi of the Yuan Dynasty wrote the song "Water Fairy: Things in Spring": "Rabbit hair fragrant ink idle work class. Drink agar syrup, roll jade conch. The willow is long, busy killing the warbler shuttle."
