Table 4: Total number of social interaction across study conditions for blind crayfish. Social interactions were observed both “in water” and “out of water.” Each row corresponds to the total number of interactions for a given behavioral score. Each column corresponds to an environmental condition.

BehaviorLow light Red lightRed light/no antennules

Invasion (1)113 (34)***127 (59)***135 (75)***
Touching (2)87 (27)***160 (89)**104 (97)*
Acknowledgment (3)60 (5)***65 (6)***93 (22)***
Threat display (4)36 (3)***37 (5)***55 (0)***
Chase (5)31 (3)***73 (0)***38 (1)***
Grasp (6)22 (2)**29 (0)***4 (0)NS
Dismemberment (7)3 (1)NS8 (0)*0 (0)NS