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Oceans have always been an important and reliable source of food. Cannibalism is the act of consuming another individual of the same species as food.Cannibalism is a common ecological interaction in the animal kingdom and has been recorded in more than 1,500 species. Turns out there aren't as many fish in the sea as the broken-hearted might hope. Human cannibalism is well documented, both in ancient and in recent times.. What does an octopus eat? The rules of the open-ocean are pretty simple in that essentially everyone is a predator and anything smaller than you is a meal. Consequently the toxins from the plastics have entered the food chain, threatening human health. The thing is…they better hope we don’t retaliate with a gun! The possible predators will depend on the swordfish's lifestage/size. The other 20% comes from inland fishing (5%) and aquaculture (15%). Unfortunately, more than ninety percent of these hatchlings are known to be destroyed by their predators. So, why are so few people attacked by sharks? Tropical oceans like the Pacific have more decomposer organisms than the Atlantic or Arctic oceans because of the warmer temperatures. In order to confuse their predators, or natural enemies, most kinds, or species, of octopus are able to spray a cloud of dark ink. Okay, so we’ve established that killer whales are pretty darned smart -- they have a culture with specific behaviors, a picky diet, and they know that we don’t taste very good. If the sea turtle eggs do make it to hatching, the tiny hatchlings need to make a mad dash to the ocean, during which they can be attacked by other predators, such as gulls. Of the most devastating elements of this pollution is that plastics takes thousands of years to decay. Humans are like ungainly packets of meat when paddling in the ocean and should be easy prey compared to fast-moving fish and seals. There have reportedly been incidents where an orca attempted to hunt a human, but broke off the hunt immediately upon realizing it wasn’t a sea lion. The average person eats at least 50,000 particles of microplastic a year and breathes in a similar quantity, according to the first study to estimate human ingestion of plastic pollution. Octopuses, or octopi, have the most to fear from sharks and other large fish that like to eat them. 95% of all ocean catches occurs in coastal waters. Ocean fishing accounts for 80% of the world fish catch. 1/4 to 1/3 of the world's ocean fish catch is used to feed animals. W hat eats an octopus?. In the meantime, the human poop problem is growing much faster than its solution, especially with regard to the ocean. As a result, fish and wildlife are becoming intoxicated. Over a few decades, humans have managed to dump tons upon tons of garbage into the ocean. There are actually a decent amount of animals that will kill and eat humans. 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