A food web is a group of several food chains that are connected. Here is one ocean food web. Tiny plants and animals called plankton are food for many ocean animals. Plankton are a part of the ocean food web. leopard seal emperor penguin kril plankton squid. read more
Ocean fish also eat kelp, algae, detritus and plankton, as well as cephalopods such as squid and octopus and also echinoderms such as sea urchins. Some ocean fish are scavengers and feed on the carcasses of other marine animals. read more