Hydra, polarized light micrograph. Hydra are small simple predatory fresh-water animals. They catch small swimming crustaceans such as water fleas usi

---

Hydra, polarized light micrograph. Hydra are small simple predatory fresh-water animals. They catch small swimming crustaceans such as water fleas using stinging and adhesive cells on their tentacles. Dark field illumination. Magnification: x40 when printed at 10 centimetres tall.

---

Size: 4311px × 6267px
Photo credit: © MAREK MIS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, 1, animal, aquatic, background, biological, biology, black, cnidaria, cnidarian, coelenterate, cut, cut-, cut-outs, cutout, cutouts, dark, darkfield, fauna, field, hydra, hydrozoa, invertebrate, light, lm, micrograph, microscope, nature, nematocyst, nematocysts, outs, plankton, planktonic, plm, polarisation, polarised, polarization, polarized, single, tentacle, tentacles, wildlife, zoological, zoology, zooplankton