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EVThis #MicroscopeMonday comes from @tardibabe on our BX53 system! 🔬
This awesome video features a Stephanoceros fimbriatus rotifer!
"Rotifers are also referred to as « Wheel Animals » because of the rotating cilia, called corona, they have on their heads! They usually use these cilia to create a water current that attracts food particles like bacteria, algae, ciliates and other microorganisms to the mouth. Although this species is a bit different from the other rotifers.
Instead of having some rotating wheels on their heads, they have five long tentacles with moving cilia that redirect preys toward the mouth! These rotifers are basically ambush predators waiting for preys to pass by. Preys then get trapped into small compartments before getting pumped by sphincter muscles and ultimately being swallowed.
Most rotifers are planktonic and swim around but Stephanoceros fimbriatus is sessile, their adult stage is immobile. When in their larval stage, they swim around until they find a nice spot to stay for the rest of their lives. I found this one sticked to an hydra, which is kind of odd since the hydra could easily have eaten the rotifer."
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📸: @tardibabe
🔬: Olympus BX53
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