THE BERING SEA 



835 



brittle stars (Gorgonocephalus sp., OphiophoHs aculeata), sea-urchins (Strongy- 

 locentrotus sp.), very numerous prawns {Nectocrangon lar, N. crassa, Hetairus 

 fasciata, Spirontocaris sp.), crabs {Chionoecetes opilio, Hyas coarctatus and 



Fig. 424. Distribution of benthos biocoenoses in Bay of 

 Anadyr (Vinogradova). / Balanidae-Hydroida, Bryo- 

 zoa-Porifera biocoenosis; // Decapoda biocoenosis; 

 /// Ophiura sarsi-Macoma calcarea biocoenosis; IV 

 Yoldia limatula-Nucida tenuis biocoenosis ; V Ampelis- 

 cidae-Polychaeta biocoenosis; VI Echinarachnius parma 

 biocoenosis; VII Myrlotzochus-Ophiura sarsi-Voly- 

 chaeta biocoenosis; VIII Musculus discors-Potamilla 

 reniformis-Terebellides stroemi biocoenosis. 



Encircled numerals denote average biomass (g/m 3 ). 



A— Crustacea ; В — Mollusca ; С — Echinodermata ; D — 

 Polychaeta; E— Others. 



hermit crabs), Polychaeta (Polynoidae, Glyceridae, Nephthys), and Mollusca 

 (Saxicava arctica) all live among the strongly developed growths. 



The southwestern corner of the Bay gives shelter to a number of thermo- 

 philic fish ; cod comes there in large numbers. On the sands of the western 



