Sample types ®@ Sediment and cores # Reef species d Plankton & Water N Southwest Passage Deep Passage *e e CP o Wide Passage Fig. 157. Enewetak marine program sampling locations. collection sites; (3) they are representative detritus feeder), convict surgeon (a of a feeding habit; or (4) there is previous grazing herbivore), goatfish (a bottom- relevant radiometric information about feeding carnivore), and parrotfish (a coral the species. eater). The species of reef fishes The tunas, jacks, and dolphins — selected as being representative of feeding pelagic fish — and the snappers and habits include the mullet (a plankton and groupers — benthic fish — which were also T]-20