Purcell: The spikier the animals, the higher the price. Narrator: And of the 1,250 different species of sea cucumber in the world, the Japanese sea cucumber takes the cake. Purcell: Imagine some ...

Corals are foundational for ocean life. Known as the rainforests of the sea, they create habitats for 25% of all marine organisms, despite only covering less than 1% of the ocean's area.