Filter feeder

Krill feeding on phytoplankton.

Filter feeders are animals that feed on matter and food particles from water. Some animals that do this are clams, krill, sponges, baleen whales and many fish such as sharks. Some birds such as flamingos are also filter feeders. Filter feeders can help clear water.

Books

• Bullivant JS (1968). "A Revised Classification of Suspension Feeders". Tuatara 16 (2): 151–160. http://www.nzetc.org/tm/scholarly/tei-Bio16Tuat02-t1-body-d6.html. 
• Some aspects of water filtering activity of filter-feeders // Hydrobiologia. 2005. Vol. 542, No. 1. P. 275 – 286

Other websites

• Filter feeder of krill