From the archive
5 Sep 2026
On a coral reef, a cleaner wrasse — a fish no longer than your finger — sets up what amounts to a stall. Larger fish arrive and hold still while it picks parasites and dead skin from their scales, and the most arresting footage shows the wrasse working inside the open mouth of a predator that could end the arrangement at any moment. It doesn't. That held-open mouth became the running example for a two-and-a-half-year study of how trust works.
The Nature of Trust Project joined two organisations: Biomimicry 3.8, where co-founder Dayna Baumeister led the biologists, and Biomimicry for Social Innovation, whose founder Toby Herzlich handled translation for people working on social change. Funding came from the Robert Wood Johnson Foundation, a health equity funder that saw trust underneath most of what ails healthcare; work began in autumn 2023. The biologists ran a Bio360 — a systematic trawl through more than 200 species and systems, hunting for patterns that recur across taxa.
Findings in hand, the framework was then handed to a cohort of eleven social justice and community leaders across five organisations, who were invited to break it. They asked the questions the biology couldn't: what language works in communities carrying a history of institutional harm, and what does a principle distilled from fish behaviour mean in a neighbourhood with good reasons for distrust. Their critique went back to Baumeister's team and reshaped the work. Filmmaker Patsy Northcutt followed the whole process and produced the project's video library.
What emerged is a framework of eight principles — willingness, discovery, familiarity, honesty, cooperation, reliability, feedback loops and boundaries — across three phases: how trust is established, how it grows, how it is maintained. The finding the team keeps returning to is uncomfortable. In nature, broken trust is rarely repaired directly. Organisms either part company or rebuild the conditions under which trust became possible. There is no shortcut back; trust costs energy to hold and has to be worth keeping.
When trust breaks in a group you belong to, resist scheduling the reconciliation meeting first. Go back one phase: write down, honestly, what each side gains from the relationship. An evening and a sheet of paper. If either column is empty, reliability exercises will not save it.
Bioneers · Read the source