Your fish tank at home should closely resemble the natural ... In the wild, they eat algae, plants, insect larvae, bugs, plankton, and whatever other tiny creatures they can fit in their mouths.

Plankton are small, drifting creatures with weak swimming ability, that are basically just swept along by the water. They cannot move against ocean currents like fish, so they are directly ...

Ingesting microplastic can even kill plankton that are crucial sources of food to other marine life, including fish. This is because plankton cannot get a sufficient amount of food into their guts ...