Far from land, the open ocean is a difficult place to live. Scientists have discovered many shallow-water animals living and reproducing on plastic trash in the North Pacific Ocean. This area, known as the Great Pacific Garbage Patch, is a huge zone of floating garbage between California and Hawaii. It is a very harsh environment with few nutrients.
Researchers from several institutions studied 105 pieces of plastic collected from the ocean. They found that 98% of the plastic had animals living on it. Most of these animals were species that normally live near the coast, not in the deep ocean. The scientists were surprised to find so many coastal species surviving and reproducing on the plastic.
They saw animals like crustaceans carrying eggs and sea anemones of all ages. These animals are creating a new ecosystem on the floating plastic. The plastic provides a home for them, and they are competing for food and shelter. Some coastal animals were even seen eating deep-sea animals.
Many of these coastal animals likely came from Japan after the 2011 tsunami. The plastic trash acts like a raft, carrying these animals across the ocean. Unlike natural objects like wood, plastic can float for many years. This allows the animals to travel long distances and start new populations. This discovery changes how scientists think about how species spread. It also creates a risk for isolated places like Hawaii, as these floating ecosystems can carry invasive species to new areas.