The slender tuna is the only member of its genus. There is no close relative to compare it to, no sibling species to clarify what it is by contrast. It was classified, reclassified, and puzzled over for decades before taxonomists accepted that it simply occupies its own category. You know this feeling from the inside.
Allothunnus fallai hunts in schools, but the coordination is predatory, not social. The group moves as a single accelerating force, collapsing on prey with a precision that individual effort could never produce. You work the same way, gathering the right people around a problem and moving them in one direction until the objective collapses. You are not the loudest voice in the room. You are the one who figured out which direction the room should move before anyone else started talking.
When a school of slender tuna passes through a region, the prey population feels it. The ecosystem is reorganized by the event. When you are fully engaged in a system, the people around you feel the difference in concrete ways, in problems solved, in directions clarified, in momentum generated. When you pull back, the gap is functional, not symbolic. The work does not move the same way without you.