Crayfish Appendage Table

Appendage Function Location Attach Appendage Here
Antennules Senses touch & taste; helps crayfish maintain balance in front of the mouth .
Antenna Senses touch and taste in front of the mouth .
Mandible or jaw Crushes food mouth .
First Maxilla Moves food to the mouth behind the mandibles .
second maxilla moves water in the gill chamber behind the mandibles .
First maxilliped Holds food; Senses touch and taste at ventral and forward part of the thorax region .
Second maxilliped Holds food; Senses touch and taste at ventral and forward part of the thorax region .
Third maxilliped Holds food; Senses touch and taste at ventral and forward part of the thorax region .
Cheliped Grasps food at ventral part of thorax-posterior to the maxillipeds .
walking leg locomotion at ventral part of thorax-posterior to the maxillipeds .
Swimmeret 1st swimmeret in males transfers sperm to female; females use the 2nd-5th swimmerets to hold eggs & young; locomotion abdominal region on the ventral side .
uropod swimming posterior or tail end .
telson swimming posterior or tail end .

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