Figure 1. Octopus briareus at 

 night on reef. Note trypan blue 

 tag-mark pattern (arrows). 



Figure 2, Octopus briareus at 

 night on coral heads. Note 

 coverage of coral by web and 

 arms. 



Figure 3. Octopus briareus at 

 night at base of main reef in 

 undisturbed web-feeding posture. 

 Note extensive spread of web to 

 cover the reef- sand juncture 

 (arrows) . 



VI-223 



