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Swimming peacefully through the dark waters of the ocean the world over are marine planktonic polychaete worms in genus Tomopteris. These mesmerizing creatures are relatively transparent until they shine a deep bioluminescent blue. One species, Tomopteris nisseni, is one of the few creatures on the planet to produce yellow bioluminescence.
Radiolarian, SEM - Stock Image - Z110/0210
Radiolarian, SEM, Coloured scanning electron micrograph (SEM) of the shell of a radiolarian. Radiolaria are single-celled protozoans that are found in marine plankton. This radiolarian has a spherical silicate skeleton with pores through which pseudopodia (false feet, not seen) of protoplasm project. As the animal floats in ocean currents the pseudopodia trap food particles on which the radiolarian feeds. Magnification: x435 when printed 10 centimetres wide.
Sep 10, 2012
The salp chain - (Pegea confoederata) A salp (plural salps) or salpa (plural salpae or salpas) is a barrel-shaped, planktonic tunicate. It moves by contracting, thus pumping water through its gelatinous body. The salp strains the pumped water through its internal feeding filters, feeding on phytoplankton.