Commercial crustaceans: Shrimp, Lobster, Crayfish, Crab, Prawn, Spiny lobster, Krill, American lobster, California spiny lobster, Mantis shrimp

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9781155436661: Commercial crustaceans: Shrimp, Lobster, Crayfish, Crab, Prawn, Spiny lobster, Krill, American lobster, California spiny lobster, Mantis shrimp
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 58. Chapters: Shrimp, Lobster, Crayfish, Crab, Prawn, Spiny lobster, Krill, American lobster, California spiny lobster, Mantis shrimp, Homarus gammarus, Nephrops norvegicus, Cancer pagurus, Indian prawn, Jasus edwardsii, Slipper lobster, Paralithodes platypus, Callinectes sapidus, Dungeness crab, Palaemon serratus, Panulirus homarus, Squat lobster, Artemia salina, Penaeus esculentus, Acetes, Panulirus cygnus, Florida stone crab, Maja squinado, Portunus pelagicus, Squilla mantis, Paralithodes camtschaticus, Astacus astacus, Palinurus elephas, Macrobrachium rosenbergii, Scylla serrata, Pandalus borealis, Jasus lalandii, Ranina ranina, Crangon crangon, Orithyia sinica, Xiphopenaeus kroyeri, Penaeus monodon, Cancer bellianus, Tasmanian giant crab, Soft-shell crab, Chaceon fenneri, Portunus trituberculatus, Whiteleg shrimp, Atlantic white shrimp, Japanese spiny lobster, Scylla paramamosain. Excerpt: Bentheuphausiidae Krill is the common name given to the order Euphausiacea of shrimp-like marine crustaceans. Also known as euphausiids, these small invertebrates are found in all oceans of the world. The common name krill comes from the Norwegian word meaning "young fry of fish", which is also often attributed to other species of fish. Krill are considered an important trophic level connection-near the bottom of the food chain-because they feed on phytoplankton and to a lesser extent zooplankton, converting these into a form suitable for many larger animals for whom krill makes up the largest part of their diet. In the Southern Ocean, one species, the Antarctic krill, Euphausia superba, makes up an estimated biomass of over 500,000,000 tonnes (490,000,000 long tons; 550,000,000 short tons), roughly twice that of humans. Of this, over half is eaten by whales, seals, penguins, squid and fish each year, and is replaced by growth and reproduc...

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