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  1. Daphnia - Wikipedia

    Daphnia is a genus of small planktonic crustaceans, 0.2–6.0 mm (0.01–0.24 in) in length. Daphnia are members of the order Anomopoda, and are one of the several small aquatic crustaceans commonly …

  2. Understanding Daphnia: A Guide to Tiny Titans of Freshwater …

    Nov 3, 2024 · Daphnia are tiny aquatic invertebrates that range from 0.2 to 5 millimeters in size and are found in a variety of freshwater bodies including lakes, ponds, and streams. As members of the …

  3. How to Raise Daphnia as a Live Fish Food - Aquarium Co-Op

    Daphnia are a tiny, freshwater crustacean that you can easily culture at home and feed as a nutritious live food to your aquarium fish and their babies.

  4. What Are Daphnia and Why Do They Matter? - Biology Insights

    Aug 14, 2025 · Daphnia are tiny freshwater crustaceans commonly known as “water fleas” due to their jerky swimming motion. These small organisms are widespread, inhabiting most freshwater bodies, …

  5. Daphnia - New World Encyclopedia

    Daphnia is a genus of small, aquatic, mostly freshwater crustaceans, generally between .2 and 5 mm (.008 to .2 inches) in length, belonging to the Daphniidae family of the Cladocera order, and …

  6. What Are Daphnia? Their Traits, Role, and Survival

    Nov 10, 2025 · Daphnia, commonly known as water fleas, are small crustaceans that inhabit a wide variety of freshwater environments across the globe, from large lakes to small ponds and even …

  7. Daphnia as a versatile model system in ecology and evolution ...

    Aug 8, 2022 · Daphnia are planktonic crustaceans with a cyclic parthenogenetic life-cycle. They have a nearly worldwide distribution, inhabiting standing fresh- and brackish water bodies, from small …

  8. Daphnia - an overview | ScienceDirect Topics

    Daphnia refers to a genus of water fleas that are common herbivores in aquatic ecosystems and are often studied in ecological stoichiometry due to their high phosphorus (P) requirements and …

  9. Daphnia (genus) | Zoology | Research Starters - EBSCO

    Daphnia are filter feeders that primarily consume single-cell green algae, contributing to the aquatic food web by serving as a vital food source for fish species like sockeye salmon.

  10. Water flea | Daphnia, Cladocera & Zooplankton | Britannica

    Water flea, any member of the crustacean order Anomopoda (class Branchiopoda), a large group containing about 450 species distributed worldwide. Most forms are found in freshwater habitats, but …