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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 …

  2. 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 …

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

    Nov 3, 2024 · Daphnia, often colloquially referred to as “water fleas,” are a group of small, primarily freshwater crustaceans belonging to the order Cladocera. They play a crucial …

  4. Daphnia – History And Aquatic World of Water Flea - Tiny Fish Tank

    Daphnia, commonly called water fleas, are minute crustaceans found in abundance in various freshwater habitats worldwide. Despite their diminutive size, these creatures play a crucial role …

  5. An Incredible Lifeform Is Evolving at Lightning Speed

    Sep 13, 2025 · Daphnia pulex (a.k.a. the water flea) is a microscopic crustacean whose unique reproduction habits make it the perfect species for studying evolution and natural selection.

  6. Daphnia pulex | INFORMATION | Animal Diversity Web

    Daphnia pulex is the most common species of the group of organisms known as water fleas. Their common name was given because of their general appearance and jerky swimming motions …

  7. Water Fleas - Crustaceans of the Order Cladocera - FLEABITES

    The common name “water fleas” were given to these tiny creatures because of how they move underwater; these organisms seem to hop or jump as they swim. They are commonly found in …

  8. Diplostraca - Wikipedia

    The Diplostraca or Cladocera, commonly known as water fleas, is a superorder of small, mostly freshwater crustaceans, most of which feed on microscopic chunks of organic matter, though …

  9. Water fleas - zooplankton.nl

    Water fleas have one striking eye, and often a much smaller light sensitive organ called ocellus. The body is usually surrounded by a shell that protects the water flea. Inside the shell are the …

  10. The Role of Water Fleas in Wastewater Treatment Plants: A …

    Water fleas are small, planktonic crustaceans found in freshwater bodies, including lakes, ponds, and sometimes even treatment plant basins. Their presence in wastewater treatment facilities …