many do. the sea otter ties itself up with seaweed to prevent itself from drifting away on the tide while sleeping. the seaweed dragon hides amongst the seaweed, looking so much like the seaweed that predators cannot see it. there are many more creatures that use seaweed, but im not sur eof them right now.
Yes, they do. Some examples are Arctic Cod, which eats Zooplankton, and a walrus which eats seaweed.
almost every animal in the ocean eats bacteria.
One example of a herbivore in the ocean that eats seaweed is the green sea turtle. These turtles primarily feed on various types of seaweed and seagrass, playing a crucial role in maintaining the health of marine ecosystems. By grazing on seaweed, they help control its growth and promote biodiversity in their habitats. Other marine herbivores include certain species of fish, like parrotfish, which also feed on algae and seaweed.
shark
nothing
People eat seaweed
tiger sharks
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Sharks
Sea urchins are known to eat seaweed. They graze on kelp and other types of seaweed, using their sharp teeth to scrape the plants off rocks. This can have a significant impact on the underwater ecosystem if their populations are not kept in check.
Sharks
shark, seal, whale