What is Crustacea?
Crustaceans (Crustacea /krʌˈsteɪʃə/) form a large, diverse arthropod taxon which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill, woodlice and barnacles. The crustacean group is usually treated as a subphylum, and thanks to recent molecular studies it is now well accepted that the crustacean group is paraphyletic, and comprises all animals in the Pancrustacea clade other than hexapods.[1] In other words, some crustaceans are more closely related to insects and other hexapods than they are to certain other crustaceans.
The 67,000 described species range in size from Stygotantulus stocki at 0.1 mm (0.004 in), to the Japanese spider crab with a leg span of up to 3.8 m (12.5 ft) and a mass of 20 kg (44 lb). Like other arthropods, crustaceans have an exoskeleton, which they moult to grow. They are distinguished from other groups of arthropods, such as insects, myriapods and chelicerates, by the possession of biramous (two-parted) limbs, and by their larval forms, such as the nauplius stage of branchiopods and copepods.
Most crustaceans are free-living aquatic animals, but some are terrestrial (e.g. woodlice), some are parasitic (e.g. Rhizocephala, fish lice, tongue worms) and some are sessile (e.g. barnacles). The group has an extensive fossil record, reaching back to the Cambrian, and includes living fossils such as Triops cancriformis, which has existed apparently unchanged since the Triassic period. More than 10 million tons of crustaceans are produced by fishery or farming for human consumption, the majority of it being shrimp and prawns. Krill and copepods are not as widely fished, but may be the animals with the greatest biomass on the planet, and form a vital part of the food chain. The scientific study of crustaceans is known as carcinology (alternatively, malacostracology, crustaceology or crustalogy), and a scientist who works in carcinology is a carcinologist.
Ecology
The majority of crustaceans are aquatic, living in either marine or freshwater environments, but a few groups have adapted to life on land, such as terrestrial crabs, terrestrial hermit crabs, and woodlice. Marine crustaceans are as ubiquitous in the oceans as insects are on land.[18][19] The majority of crustaceans are also motile, moving about independently, although a few taxonomic units are parasitic and live attached to their hosts (including sea lice, fish lice, whale lice, tongue worms, and Cymothoa exigua, all of which may be referred to as "crustacean lice"), and adult barnacles live a sessile life – they are attached headfirst to the substrate and cannot move independently. Some branchiurans are able to withstand rapid changes of salinity and will also switch hosts from marine to non-marine species.[20]:672 Krill are the bottom layer and the most important part of the food chain in Antarctic animal communities.[21]:64 Some crustaceans are significant invasive species, such as the Chinese mitten crab, Eriocheir sinensis,[22] and the Asian shore crab, Hemigrapsus sanguineus.[23]Consumption by humans
Many crustaceans are consumed by humans, and nearly 10,700,000 tons were produced in 2007; the vast majority of this output is of decapod crustaceans: crabs, lobsters, shrimp, crawfish, and prawns.[56] Over 60% by weight of all crustaceans caught for consumption are shrimp and prawns, and nearly 80% is produced in Asia, with China alone producing nearly half the world's total.[56] Non-decapod crustaceans are not widely consumed, with only 118,000 tons of krill being caught,[56] despite krill having one of the greatest biomasses on the planet.[57]
12 Ways To Eliminate Most Powerfull Shrimp Allergy
Consuming
shrimp is considered safer than other types of food including beef. Shrimp and
seafood species are known for their healthy protein and fatty acids. However
the shrimp also has a bad side for some people including causing allergies.
Shrimp allergy can appear immediately when first eating or after several meals.
Even allergies will continue to appear and not depend on shrimp cooking
methods. Shrimp allergy occurs when the immune system becomes very weak when
faced with protein from shrimp. High enough iodine content also often cause
allergies.
Here are some ways to help eliminate shrimp allergies:
Food Consumption Contains Quercetin High
Quercetin is one of the natural ingredients that can help regulate histamine levels in the body. Naturally quercetin can be found in foods that have bright colors. The content of quercetin compounds can increase the effects of antioxidants and reduce inflammation. All types of foods containing quercetin also contain fiber, minerals and vitamins needed by the body. You can consume shrimp along with food sources containing quercetin such as: capers, onions, and raw garlic. High quercetin-containing fruits such as blueberries, plums, apples, and cherries. Do not forget to add vegetables like chili, red lettuce, kale, green mustard, spinach, peppers, and broccoli.
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