It has also been found in green algae, bacteria, crustaceans, and fish such as carp, golden mullet, seabream and trush wrasse.
en.wikipedia.org In addition to their mutualism with green algae, pale-throated sloths are also commensal with sloth moths, and with certain species of beetle.
en.wikipedia.org A harmful algal bloom occurs when naturally-occurring blue-green algae, or cyanobacteria, produce neurotoxins, which affect the nervous system, and hepatotoxins, which affect the liver.
en.wikipedia.org Collectively, the family has a highly variable ecology, some species lichenized with green algae, and others lichenicolousgrowing on other lichens.
en.wikipedia.org They serve as sensory photoreceptors in unicellular green algae, controlling phototaxis: movement in response to light.
en.wikipedia.org