Fig. 5. Portion of bare area IQ m from the face of tke reef visited by 

 ninnerous grazing fishes. Small Dictyota plants and partially 

 emergent garden eels, Nystactichthys Iialis , are shown. 



■i^^^:,k 





4t % 







3> 





I. 



^ 



Fig. 6, 



A heavily-grazed part of the algal plain 30 m from the face 



of the reef, with surgeonf ishes . Species of Udotea predominate 



in the area. 



VI-138 



