Simocephalus vetulus , a water flea. Frontal view.
Polyphemus pediculus, a predatory water flea in a drop of water. The size of the animal is about 0.5 mm. These crustaceans catch and feed on other water fleas such as Moina micrurna
Polyphemus pediculus, a predatory water flea. The size of the animal is about 0.5 mm.