👉 Parascyllium is a type of marine bryozoan that can grow within the mantle of deep-sea organisms, such as octopuses and squid, by secreting a complex chemical compound called parascyllumine. This process allows it to survive in environments where oxygen levels are low or where other forms of symbiotic bacteria do not thrive. Parascyllium also plays an important role in the life cycle of some marine organisms, such as those that feed on plankton and