The sixth segment ends at the adjacent telson with two pairs of appendages called uropods. The uropod allows the shrimp to swim backwards, acts like a rudder, and steers the shrimp as it swims forward.
What are uropods and telsons?
In shrimp and red shrimp, telson forms the telson together with the telson. .. The final abdominal segment (except Leptstracan) contains a pair of bivalve uropods and a central plate, or telson. Uropods are usually in the shape of settose and paddles in swimming
What are the appendages found on the cephalothorax of shrimp?
The cephalothorax thoracic appendage has been modified to function as part of the mouth and is called the maxillipede. The remaining five "free" chest segments carry the walking legs or pereopods. The first pereopod (first walking leg) has scissors, or scissors, and is called cheliped. In shrimp, the mole cricket is small and weak.
Where is the Uropod?
Uropods are often defined as appendages to the last body part of the crustacean. Another definition proposed by Frederick R. Schram limits the term to structures that arise from the segment before the anal segment (the segment that carries the anus).
What is the function of the telson of shrimp?
In the red shrimp, shrimp, and other decapods, the telson and uropod form the telson. It is used as a paddle for the shrimp escape reaction (“lobster”). This causes the alert animal to bend its tail rapidly and dart backwards.
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