A planktivore is an aquatic
organism
that consumes plankton, such as
the angelfish, and Whale sharks.
note: ("Plankton" is a broad term for an aquatic organism that has little to
no form of locomotion.)
it is neither. it is a consumer, and planktivore they eat small microscopic animals in their habitats.
Lake trout are carnivores - piscivores when prey are available and shifting to planktivore when they are not. They do not eat plant matter like moss.