In other countries, the sea urchin is regarded as a friend that has helped to control invasive giant seaweed. The sea urchin is native to our oceans, and not an alien invasive species. As a part of ...

while other sea urchin species were present in 30%. Similarly, pink snapper consumed very few long-spined urchins (2.7% of fish), yet other urchins were present in 13%. "This tells us it's likely ...