Shrimp

As shrimp different groups in the bottom zone of living or free-swimming crabs are called. This term covers not directly related cancers in a group together, but there are exceptions. Crawfish, lobster -like ( for example, " scampi " or lobster ) and live in freshwater crayfish, such as the Louisiana crayfish ( Procambarus clarkii ) are not counted among the shrimp.

Description

Shrimp have an elongated, more or less cylindrical and slightly laterally compressed body with a thin shell. They wear long antennae ( "feelers", and the second antenna has at the base of a large scale: exopodite ) and have only petite gripping members ( " scissors "); the legs of the rear section of the body are formed into floating bodies. The head usually wears a forward-facing, elongated appendage, the Rostrum.

System

Previously shrimp were grouped within the decapods in a non- monophyletic suborder " Natantia ". However, not all as " prawns " designated species belong to the decapods. " Shrimp " are now found, inter alia, in the following, some not more closely related to one another cancer taxa:

  • Order Decapoda ( decapods ) Subordination Dendrobranchiata Family Penaeidae ( prawns ) Aristeomorpha foliacea (Spanish chorizo ​​gamba )
  • Fenneropenaeus chinensis ( important Zuchtgarnele )
  • Fenneropenaeus indicus ( important Zuchtgarnele )
  • Fenneropenaeus merguiensis ( important Zuchtgarnele )
  • Litopenaeus stylirostris ( important Zuchtgarnele )
  • Litopenaeus vannamei ( important Zuchtgarnele )
  • Marsupenaeus japonicus ( important Zuchtgarnele )
  • Parapenaeus longirostris (Spanish gamba blanca )
  • Penaeus antennatus (Spanish gamba rosada )
  • Penaeus monodon ( important Zuchtgarnele )
  • Partial order Caridea Family Atyidae ( freshwater shrimp ) are grown partly for the aquarium
  • Family Crangonidae Brown shrimp (Crangon crangon, no breeding, only catch)
  • Macrobrachium rosenbergii ( important Zuchtgarnele )
  • Macrobrachium nipponense ( important Zuchtgarnele )
  • Ostseegarnele ( Palaemon adspersus )
  • Sägegarnele ( Palaemon serratus)
  • Order mysid Subordination Mysida ( floating shrimp ), in Europe and North America immigrated into rivers and lakes

Economic importance, trade names

Shrimp from different kin groups are highly valued as delicacies. They are fished commercially or grown in shrimp farms. The trade names usually refer to animals of a given size class or origin, but does not necessarily correspond with belonging to a biological group.

The most commonly caught and farmed shrimp are among the up to 10 cm long shrimps ( Penaeidae ), for example, Japanese " Kuruma Shrimp " ( Marsupenaeus japonicus ). ( " Shrimp " at times ) or larger specimen, " Prawns " offered; prawns are commercially often by the English term " shrimp " the term " Pacific shrimp " refers to different, partly -based in the Indian Ocean Penaeus species, such as " Black Tiger prawns " ( Penaeus monodon ). " Arctic Sea shrimp " or prawns and " Greenland crabs " from the North Atlantic and North Pacific belong predominantly to the species Pandalus borealis. The big "Party Gambas " and " jumbo shrimp " (Spanish trade name " prawns ", engl. " Kingprawns " ) are usually the type Litopenaeus vannamei assign and come from Indonesian or Thai breeding.

Brown shrimp belonging to the genus Crangon crangon. They come from the North and Baltic Sea and are also called " shrimps ", " beach shrimp ", " grenade ", " prawns " ( from the French " crevette " - there also commonly used for shrimp ), " leek ", " KNAT " and "Grey crabs " are offered.

Also in aquatics enjoy shrimp, mainly from the partial order Caridea, growing in popularity and are traded at some very high prices.

Carapace Spiny lobster Shrimp farming Whiteleg shrimp Pleocyemata Palaemonidae Stenopodidea Delicacy
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