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Dendrobranchiata is a suborder of decapods, commonly known as prawns.There are 540 extant species in seven families, and a fossil record extending back to the Devonian.They differ from related animals, such as Caridea and Stenopodidea, by the branching form of the gills and by the fact that they do not brood their eggs, but release them directly into the water.
See text for superfamilies. The Decapoda or decapods (lit. 'ten-footed') are an order of crustaceans within the class Malacostraca, and includes crabs, lobsters, crayfish, shrimp, and prawns. Most decapods are scavengers. The order is estimated to contain nearly 15,000 extant species in around 2,700 genera, with around 3,300 fossil species. [1]
In 1983, Louisiana designated the crayfish, or crawfish as they are commonly called, as its official state crustacean. [19] Louisiana produces 100 million pounds (45 million kilograms) of crawfish per year with the red swamp and white river crawfish being the main species harvested. [ 20 ]
The shrimp Palaemon serratus of the infraorder Caridea. A shrimp (pl.: shrimp or shrimps ()) is a crustacean (a form of shellfish) with an elongated body and a primarily swimming mode of locomotion – typically belonging to the Caridea or Dendrobranchiata of the order Decapoda, although some crustaceans outside of this order are also referred to as "shrimp".
A shed carapace of a lady crab, part of the hard exoskeleton. Body structure of a typical crustacean – krill. The body of a crustacean is composed of segments, which are grouped into three regions: the cephalon or head, [5] the pereon or thorax, [6] and the pleon or abdomen. [7] The head and thorax may be fused together to form a ...
Crustaceans (from Latin meaning: "those with shells" or "crusted ones") are invertebrate animals that constitute one group of arthropods that are a part of the subphylum Crustacea (/ krəˈsteɪʃə /), a large, diverse group of mainly aquatic arthropods including decapods (shrimps, prawns, crabs, lobsters and crayfish), seed shrimp ...
A bigclaw river shrimp. Prawns are sometimes said to be large shrimp or alternatively freshwater shrimp, but this large, freshwater creature is a caridean shrimp, and is rarely referred to as a prawn. A lot of confusion surrounds the scope of the term shrimp. Part of the confusion originates with the association of smallness.
Decapod anatomy. The decapod (crustaceans such as a crab, lobster, shrimp or prawn) is made up of 20 body segments grouped into two main body parts: the cephalothorax and the pleon (abdomen). [1][2] Each segment may possess one pair of appendages, although in various groups these may be reduced or missing. They are, from head to tail: