Table 4. Activity of motile fauna that really belonged to the microcosm studied 



Species 



Mollusks 



Mant is - shr imp sp. 1 



Stenorhynchus setiformis 

 Crabs sp.l 



Echinoderms 

 Ophiurids 



Fishes 



Gymno thorax morinsa 



Holocentrus ascensionis 

 Pomacentrus partitus 



Blenniidae 



Thalassoma bifasciatum 



Quisquilius hipolitii 



Activity 

 Pattern 



(?) 



(N-1) 



Cyphoma sp . 



Polychaetes 



Eunicidae 



Crustaceans 



Stenopus sp . (N-1) 



Periclimenes Periclimenes sp . (dN-1) 



(D-I) 



(dN-E) 

 (N-I) 



(dN-I) 



(dN-E) 



(dN-E) 

 (D-I) 



(D-I) 

 (D-I) 



(D-I) 

 VI-292 



Comments 



One individual sporadically 

 seen on the sea-fan Eunicea. 



Several specimens hidden in 

 nooks during daytime. 



3 specimens of this beautiful 

 shrimp. 



These small blue-spotted shrimp 

 live in the sea-anemone sp.l 

 during the day and on the block 

 at night. 



A black specimen with white 

 claws living in a nook at the 

 top of the block. 



One under north end of block. 



Several specimens visible on 

 the block at night. 



Several specimens in the nooks 

 or in the fire-coral. 



A 45 cm young one inhabits the 



2 largest shelters of the block. 



One of about 12 cm. 



5 young ones (1 to 2 cm), one 

 larger (8 cm) . 



3 (3-4 cm) on the top of block. 



5 in a group, measuring 2 cm, 

 and one 4 cm long; they are at 

 the yellow phase. 



A small specimen 1.5 cm long 

 in a nook of the south side. 



