Related to the jellyfish and corals, Siphonophore is a continuous chain of specialized polyps - individual animals that grow from one another in an organized colony. Some in the colony are devoted to feeding, armed with stinging cells to snag fish or in
These Concepts seem to be quite shallow in depth. This means they would be more suited to use with weapons, ammo or foods. This could be used in conjunction with other designs to allow for a diverse and more realistic set of cargo.