-Two "mortar shell" shaped organisms.
-3-4 "legs" with "flagella" / cilia
-7-8 um in length.
The organisms were pushing around the diatom.
Observation at 400x.
Mag. 400x
Filose amoeba with a coarsely granular test... looks most like Frenzelina species in Siemensma's Microworld, esp. F. minima https://arcella.nl/frenzelina-minima/
I speak spanish so Please traduce my comentary:
Yo encontré este animal en agua un poco sucia, no es microscópico y parece una babosa, de hecho es del tamaño de una larva de mosquito grande, nose que sea pero repito no es tan pequeño como piensan ustedes para que sea un rotifero
Arcella cf. hemisphaerica I suspect, largely from the opening.
I speak spanish so Please traduce my comentary:
Yo encontré este animal en agua un poco sucia, no es microscópico y parece una babosa, de hecho es del tamaño de una larva de mosquito grande, nose que sea pero repito no es tan pequeño como piensan ustedes para que sea un rotifero
Sampled on 2022/04/26 with turkey baster in mud of urban playa.
Mag. 400x
Euplotes-like ciliate?
Mag. 400x
Amphora-shaped. Spiral patterned cilia distribution. Repeatedly poked its "head" (narrow anterior section) into knots of detritus.
Mag. 400x
Light from the microscope seemed to wake this napping ciliate. I snapped 2 shots, then it was off to the races!
1000x + phonezoom. Saltwater marsh sample that has been closed on my desk, accumulating algae for months. Super super fast, spins as it swims & can swim backwards! Weird. The jar isn’t too biodiverse anymore, a few tiny flagellates and ciliates, nematodes, and of course an abundance of algae, fungi & methane-producing anaerobic bacteria. When I popped the jar open, it made a hiss & my partner asked, “did you fart???”