Yes. Octopus will eat fish, though they eat other things as well, with crabs high o the list.
YES
No most Octopuses are carnivorous
yes i know so because i did a report on octopus when i was in third grade
Because it blends in the surroundings.
seaweed doesn't eat it is a photosnythesizer.
They eat seaweed and algae!
Fish eat seaweed. Dolphins eat fish. No seaweed, no fish, no dolphins.
Whales eat octopus [sperm whales have giant octopus as a favorite food]. Octopus eat each other octopus. Humans eat octopus. Anything that can catch an octopus (that isn't easy) will eat it. Killer whales [or Orcas, a kind of toothed whale] eat octopuses.
seaweed for 1st level (producer),a small fish that would eat the seaweed for 2nd,and last but not least a large fish or sea creature like an octopus or shark that eats the small fish.
A shark or other big fish eat a octopus.
Certain small bacteria will in fact eat seaweed. These small bacteria will typically only eat seaweed that is dying or dead.
People eat seaweed
Ducks eat fish and seaweed among other things
Yes
Octopus hatch from eggs. The female octopus protects the eggs and makes sure they are clean and healthy as they grow. She will die right after the babies hatch, though, because she doesn't eat the entire time she's guarding her eggs.