At this interesting new site Rajagopal Sukumar begins an interesting report:
"On a recent trip to the Galapagos Islands, I was astonished when 0ur guide showed us how damselfish farm algae on their own,"
By grooming coral beds the damselfish encourage new growth and they guard and protect their crop with their tiny sharp teeth from the grazing of other species like sea urchins and even humans.
Humans have always assumed credit for the invention of agriculture, in the same way we thought we were unique in the use of language. Theorists point to our gregarious nature, societal structure, communication skills, and a measure of engineering skills that led to the profitable management of nature.
It turns out that other animals that farm their own food including four species known to farm fungi: leaf cutter ants, termites, ambrosia beetles, and marsh snails.