It eats only aerophytes and other microscopic airborne organisms.
It may also eat other small organisms it comes across.
Brittle stars will eat small suspended organisms if available.
They mainly eat small organisms with a focus on small mammals in their diet.
Crayfish are omnivores; they eat plants, animals, and decaying organisms.
In general, the labyrinth fish are carnivores that eat small aquatic organisms and carrion.
The blue parrotfish diet consists of eating small organisms found in the sand.
Some, however, rather eat the bacteria and other small organisms living on carrion.
They also eat most other organisms that live near the bottom of the reef.
They use the food that producers make, or they eat other organisms.