In contrast to human intelligence, which is ruled by means of a call heart (the mind), intelligence within the marine international is arranged and not using a conductor. It’s in response to a mess of interactions the place every bodily procedure contributes to the whole functioning. What do you bring to mind this analogy? Are we able to nonetheless speak about intelligence? The find out about of those non-human types of group invitations us to reconsider our definition of intelligence.
PhD in marine science, specialised in modeling ecological processes, I paintings basically on larval dispersal and connectivity of marine habitats, particularly in coastal ecosystems of the Mediterranean.
My analysis in particular is composed of “tracking marine larvae”, to know how knowledge circulates in a fancy herbal machine, throughout area, time and robust bodily constraints. Marine “propagules”, the larvae of fish or invertebrates, aren’t simply dwelling subject this is passively transported by means of currents.
They’re additionally vectors of environmental knowledge. Certainly, they bring genetic inheritance, lifestyles historical past traits, evolutionary reminiscence and, above all, a elementary attainable: to permit, or no longer, the upkeep of a inhabitants in a given habitat.
Their evolution in area is an engaging instance of the way marine ecosystems are arranged. This group comes to a type of intelligence very other from what we all know as people.
Intelligence and not using a conductor
Marine ecosystems can also be described as dispensed techniques: there’s no decision-making heart or centralized keep watch over.
The whole group effects from the continual interplay between bodily (currents, stratification of the water column), organic (larval construction, mortality, from time to time conduct) and ecological (availability and high quality of habitat) processes.
Figuring out this group manner figuring out how advanced techniques can serve as successfully and not using a central intelligence. On this framework, the “intelligence” of marine lifestyles is neither neural nor intentional. It’s collective, spatial and emergent.
Every bodily procedure performs a task. for instance:
sea currents shape an invisible infrastructure, similar to a conversation community;
purposeful habitats, breeding spaces, nurseries or grownup habitats, shape nodes;
in the end, the larvae supply circulate between those nodes, making it imaginable to attach the machine.
Modeling invisible networks
In my paintings, I attempt to style this connection, this is, the change community whose construction prerequisites the resistance, adaptability and endurance of marine populations in prerequisites of environmental disturbances.
To research those invisible networks, I take advantage of so-called Lagrangian biophysical fashions, which mix ocean information (currents, temperature, salinity) with organic parameters explicit to the species being studied, equivalent to larval lifespan or reproductive duration.
The purpose isn’t to expect the precise trail of every larva, however to show world constructions: dispersal corridors, supply zones, remoted areas or change intersections.
That is precisely what I’ve proven in a contemporary paper dedicated to the massive Maya squinado spider within the northwestern Mediterranean. Via simulating greater than ten years of larval dispersal on the regional degree, I highlighted the life of an actual connecting junction. They attach positive far-off coastal spaces, whilst others, even supposing geographically shut, stay weakly hooked up.
This determine illustrates the primary dispersal routes of Maya squinado larvae within the western Mediterranean, got from numerical simulations performed within the duration 2010–2020. The maps constitute the density of larval trajectories between roosting spaces and attainable recruitment spaces, with other ranges of geographic zoom. Coloured spaces spotlight probably the most regularly used dispersal corridors, whilst traces display simulated particular person trajectories. Colours correspond to the coefficient of variation (CV) of the density of trajectories, used right here as a trademark of interannual variability: minimal values mirror common dispersal routes over the years, whilst most values point out discontinuous connections, provide most effective in positive years. Celine Barrier, writer equipped (with out reuse) relationship-based intelligence
This group isn’t the results of any mindful technique. It effects from the interplay between ocean circulate, species biology and the spatial distribution of favorable habitats.
The got effects illustrate a type of collective intelligence of the machine, through which all of the group a great deal exceeds the sum of particular person trajectories.
Right here we discover homes not unusual to many advanced techniques – insect colonies, meals webs or human social dynamics. In all instances, the relationships between the weather, a lot more than the weather themselves, construction the functioning of the entire.
Increasing our definition of intelligence
In any case, a parallel can also be drawn with synthetic intelligence, with out the want to drive the analogy. The fashions I broaden act, above all, as translation gear: they turn into the continual, chaotic and 3-dimensional international into comprehensible representations – maps, connection matrices, chances.
As in synthetic intelligence, the problem isn’t to keep watch over or expect the whole thing, however to spot the related scales and key relationships from which which means can emerge.
The find out about of those types of nonhuman group due to this fact invitations us to reconsider our definition of intelligence. In a marine international and not using a mind, with out specific reminiscence and with out goal, complete techniques nonetheless arrange to care for themselves, to reorganize and from time to time face up to environmental disturbances.
Spotting this diffuse intelligence, embodied in flows and networks, isn’t to humanize nature, however to amplify our view of what it manner to “be intelligent” in a fancy and interconnected international.

This text used to be revealed as a part of the Competition of Science (which came about from 3 to 13 October 2025), partnered by means of The Dialog France. This new version specializes in the subject of “Intelligence(s)”. In finding the entire occasions to your area at the Fetedelascience.fr web site.