flora of branc]ling coi-als and their h~vc uemoved ill].~]dsorl]able radionuclides from the water The by the plankton land 137 products organisms Sr found associated witin those and calcium, similarly We determined lung, The their emitting (Table liver must remo17ed long-lived fission crabs these since of which cesium 137 137 mostly (Table are and potassium and calcium. collected a’t Cs concentrations tissue; in Table are terrestrial, contain 1967; contain of rats in muscle are given et al., radionuclides or organs range 340 to 830 which Welander values 7- except Cs from for among during the gamma– 8) and are concentrators of 90 Sr 9) . spiny lobster, 137 Cs or a strictly 90 marine Sr and only crustacean, small amounts of contains 60C0 10) . There are quantitative radionuclide content The goatfish, 207 the of tissues and the and bone stages, no detectable and already as do strontium Cs content radionuciides The (Table 137 and 1970, coconut larval tissues respectively, dry weiq-ht was muscle, fauna fallout. 1967; As expected, in metabolism, the in 1969 in pCi/g after primarily (Welander, 1971) . Bikini not and 90 Cs and and Moore, behave soon contain Smith potassium associated Bi than and qualitative of organisms a bottom–feeding the convict differences associated carnivore, surgeonfish, with contains a grazing in the feeding more habit. 60C0 -herbivore,