On the two types of radiation-contaminated water into the ocean. Marine animals to absorb radiation is fastest marine animal with a soft body. Including seaweed.
When the two kinds of radiation contamination is flowing down to the ocean. Marine animals that will absorb the Sun's rays are most quickly is the sea creatures that have soft bodies, including seaweed.
2 types of contamination and radiation when flow into the ocean sea creatures that will absorb radiation is fastest sea creatures of the soft body including seaweed