Answer:
Sea Urchin
Explanation:
Aquatic Ecosystem
There is a new rising wave of invasive species causing significant impact to our marine ecosystems. , Sea Urchins, they are being classified as invasive species that wipe out or significantly impact native marine population.
Sea urchin has spread rapidly. It arrived in Bass Strait about 40 years ago, was found off the Tasmanian mainland in 1978, and now occurs round to southwest Tasmania.
In many areas, the sea urchins have grazed giant kelp out of existence, leaving ‘urchin barrens’. Past over-fishing may have facilitated this by depleting rock lobsters, the principal predators of sea urchins
