Sample types @ Sediment and cores ® Reef species gd Plankton 4 Water N * ® e e “ Southwest 6 © ° ° ° Passage e ® ° Oo ° e ° ° e “(8/0 a Dat Deep Passage *e e SLLL> ET - 8 Wide Passage Fig. 157. Enewetak marine program sampling locations, collection sites; (3) they are representative detritus feeder), ‘of a feeding habit; or (4) there is previous convict surgeon (a grazing herbivore), goatfish (a bottom- relevant radiometric information about feeding carnivore), and parrotfish (a coral the species. eater). The species of reef fishes selected as being representative of feeding The tunas, jacks, and dolphins — | pelagic fish — and the snappers and habits include the mullet (a plankton and groupers — benthic fish — which were also II-20