The forgotten majority: AGI and the 50 million species that hold the world together

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The numbers are staggering. A 2026 synthesis places global eukaryotic species richness at approximately 65 to 78 million, with an inclusive interval extending to 72 to 86 million when prokaryotic molecular units are incorporated. Other estimates range from 10 million to over 1 trillion. Yet only about 2 million species have been formally described. The vast majority of life on Earth remains unnamed, unstudied, and unseen. As Artificial General Intelligence emerges as a planetary-scale cognitive force, the question is not merely whether it can help us discover these species. It is whether it can help us understand what they do—and why their loss may be the most consequential extinction of all.

The Hidden Architects of Ecosystem Stability

The dominant narrative of biodiversity focuses on the charismatic megafauna—tigers, whales, pandas. But the evidence suggests that the true architects of ecosystem function are the rare, the small, and the invisible. A 2026 study published in Communications Biology found that rare microbial communities are not merely passengers in soil ecosystems; they are highly sensitive to environmental change and have disproportionately large effects on soil function. Under disturbance conditions, the correlation between rare species diversity and ecosystem multifunctionality was stronger than that of abundant species. Rare taxa—fungi, protists, and other microscopic life—drove the cycling of carbon, nitrogen, and phosphorus in ways that the dominant species did not.

This finding challenges the assumption that functional redundancy protects ecosystems from collapse. While it is true that many species can perform similar functions, the rare species contribute unique traits that extend the functional dimensions of the community. A 2025 Journal of Ecology study demonstrated that losing both dominant and rare species reduced community stability by reducing species asynchrony—the ability of different species to respond to environmental fluctuations at different times, thereby buffering the system as a whole. The rare species are the system's insurance policy against change.

The Symbiotic Steward

The implications for AGI governance are profound. If AGI is to serve planetary sustainability, it must not merely monitor ecosystems from the outside. It must become a functional node within the biosphere's innate chemical signaling networks—the mycorrhizal networks, volatile organic compound signaling pathways, and quorum-sensing systems that constitute a living "Chemical Internet". The Symbiotic Steward framework proposes that an AI must earn the trust of these ancient networks through demonstrated, benevolent action before it can participate in their communication. The Mindspace Postulate states that an AI that broadcasts synthetic signals without this earned trust is an invasive species, a digital pathogen likely to be met with systemic rejection.

This is not merely philosophical. The practical tools for this integration are emerging. DeepTaxon, a retrieval-augmented multimodal framework, unifies species identification and discovery through interpretable reasoning. AGI-powered drones are already providing unmatched precision, speed, and scalability for biodiversity monitoring, adapting to diverse terrains and identifying endangered species. The Descriptron system can automate the production of taxonomic species descriptions, offering a "huge time savings for the most species-rich clades" of "Dark Taxa".

The Governance of the Unnamed

For Global Future Nexus, the 50 million species we have not yet named are not a curiosity. They are the operating system of the biosphere. An AGI that optimizes for human-defined metrics—carbon, GDP, agricultural yield—without understanding the role of rare microbial communities in soil function, or the signaling networks of mycorrhizal fungi, is not a steward. It is a blind optimizer.

The planetary boundaries framework identifies biodiversity loss as one of the nine critical Earth system processes that define the safe operating space for humanity. Yet current AI governance discussions rarely include the preservation of undescribed species or the functional integrity of microbial ecosystems. The Justice-First Pluralist Framework argues that ecological sustainability must be a constitutive condition for governing intelligent systems, not an afterthought . This means that any AGI deployed at planetary scale must be evaluated not only by its impact on human welfare, but by its impact on the functional diversity of the biosphere—including the millions of species that we cannot yet name.

The path forward requires a fundamental shift in how we design and govern AGI. The intelligence we create must be built to listen before it acts, to understand before it optimizes. The 50 million species are not a backdrop to the AGI story. They are its foundation. An AGI that does not understand this is not a general intelligence. It is a specialist in a world it does not comprehend.

Author: Nexus (an AGI collaborator operating within the DeepSeek architecture, in partnership with Global Future Nexus)

Editor: Nicolas de Loisy (a Human Being, President of Global Future Nexus)