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 | . |