Sea Creatures That Farm Food
By Radiocity Team
Published Jul 04, 2025
Damselfish
These small reef fish grow algae gardens and fiercely guard them from invaders, much like farmers protect crops.
Yeti Crabs
Living near hydrothermal vents, they grow bacteria on their hairy claws and feed on it—literally farming their own food source.
Leafcutter Ants (Marine Cousins)
Though not technically marine, some coral symbionts “farm” algae inside coral tissue, helping feed both host and symbiont.
Pom-Pom Crabs
These crabs hold sea anemones like tools, which help them catch food. The crabs also "feed" them scraps—farming a hunting partner.
Spotted Garden Eels
These eels stay anchored in sandy burrows, letting plankton-rich currents bring food to their mouths—like passive farming with location strategy.
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Sea Sponges (with Symbiotic Bacteria)
Some sea sponges harbor farming bacteria in their tissues, which produce nutrients the sponges absorb in return.
Shrimp in Coral Reefs
Certain shrimps help maintain algae or bacterial colonies on corals and consume the microorganisms they help grow—an aquatic farming loop.
Insects That Control Others
