102 



Ray E. Ashton, Jr. 



Fig. 6. Lip curl or flash. Upper lip is turned upward, revealing light underlying 

 tissue; gills flared. 



forward and bite the intruder. Seventy percent of the bites were at the 

 base of the tail (Fig. 7), but some were just behind the foreleg. The bite 

 caused a circular wound of numerous lacerations, which usually left a 

 gray-white scar. Contact was fast and brief, and no attacking animal 

 was observed to hold onto its victim. A second or third bite was some- 

 times delivered as the intruder moved away. At no time was an intruder 

 seen to defend itself. 



Occasionally an intruder would move unnoticed to a retreat open- 

 ing. If the intruder placed its head in or near the opening, the resident 

 animal would instantly bite the intruder's snout. Bites of this type were 

 similar to those previously described. The bite would include the area 



Fig. 7. Attack, with biting at base of tail of intruder. 



