PLANKTON OF THE GULF OF MAINE 



361 



It has long been known that Cyanea, like other large medusae, often acts as a 

 nurse to young fish, especially to gadoids, which live beneath the bells and follow 

 them in their wanderings. In north European waters, where Cyanea often swarms 



70* 



Fig. 100.— Occurrence of the scyphomeduste Aurclia aurita and Cyanea capillata. 9. locality records for Aurclia, Grampus 

 and Halcyon cruises since 1912; X, locality records for Cyanea, Grampus and Halcyon cruises since 1912. The stippled 

 curve marks the approximate offshore boundary for Aurclia in the Qulf of Maine; the hatched curve the probable 

 offshore boundary for Cyanea 



well out at sea, this seems to be the chief means of dispersal for the young of the 

 whiting (Gadus merlangus; Damas, 1909a). A large proportion of the European 

 records for the pelagic young of the haddock have also been of specimens taken in 



