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.
A mosquito pupa. Aquatic mosquito larvae enter this stage just before the transformation into an imago (winged adult). What is interesting, even in this stage the mosquito is mobile. The pupa can swim and does it really fast and abruptly.