103
Devil Crayfish, Cambarus diogenes: Measurements and Ratios: Female
Number Minimum Maximum Mean
Total length 13 39.2 106.0 66.9
Carapace
Total length 13 20.3 54.0 34.6
Postorbital length 13 17.2 46.9 29.8
Aureola
Length 13 7.7 22.6 13.8
Width 13 0.0 0.0 0.0
Chela
Total length 11 11.5 38.3 21.4
Dactyl length 11 7.1 26.6 14.0
Palm length 11 3.3 9.5 6.3
Palm width 11 5.0 15.6 9.7
Finger gap 11 0.0 2.5 1.0
Antenna
Total length 12 25.4 69.1 38.2
Ratios Number Minimum Maximum Mean
Carapace length / Total length 13 0.50 0.54 0.52
Aureola length / Carapace length 13 0.38 0.42 0.39
Chela length / Carapace length 12 0.55 0.71 0.63
Dactyl length / Chela length 12 0.62 0.69 0.65
Palm width / Chela length 12 0.41 0.48 0.46
