Bacterium defenderus
Evolved from B. cyanus they evolved to be predatory because chitin would be less present in a sick host (wouldn't be eating as much). They turned to other cells, and the ones that were more efficient at killing won out. This was good for cyanus overall, as the host would become healthier again and would again continue consuming more sukapods and also defend host of Macrognathids. The cyanus that survived would be the ones that could predate other cells most effectively.
Found in zone 9 they live in the gills of Macrognathids with a symbiotic relationship. They developed a harpoon spike that came from a mutation that cell membranes and cell walls that fused into a modified tool with a pore to feed on prey so it is made so it can defend its host. The feed on Bacterium kleptospiritus harpooning them and sucking their cytoplasm. They also feed on Bacterium flagellus if the wound is near the gills. They reproduce by making another replica of itself every week. If the infection or parasites are gone they lay dormant until the nest invasion comes. If their host dies and rotted they will find a new host as fast as they can they can last without a host for only 1 day
