clplankton the mullet, or feeder (Tables 1~-, 12 and Higher Is) . 6G order ca].-nivores, the grouper (Table 14) than ences (Table out 90 less 15) . the life Another nuclide 60 the example (Table as 4,000 pCi/g of these of increasing associated dry, in the kidney, if Obviously, and the 60C0 a concentration filter feeders. feeding mostly fallout radionuclide has (Table at sea outside radionuclides, the content 17). the sp. must the 60 less than the amount , as much an accumulation in an Co it acc-umulates since the presents This clams small are a sharp associated and noddy and contain of are in tb.e half-life. and quantitatively, lagoon 60C0 lives species terns of be clam food web, fairy reached. and Hipp opus Atoll the more of bird The not been levels a long biological through ‘both qualitatively habit longer through– of a radio– Tridacna there species concentration at Bikini co is available, is not contrast, clams in any organism of 60 Co in the kidney, has concentration BV far the hiqhest clams. 60 state ‘nabit. of a species accumulated age is the of the giant 16). where with same CO differ- feeding fish of the and a ste~dy hin~o~us The fish of the fish reef younger, more the as with the 90 Sr is being probably environment age as well larger contain however, Presumably, Co in the kidney kidney with So than also surgeonfish; and presumably smaller, contain convict associated may be The the and uIua, terns amounts of naturally with feed 0< occurring