Marine Foraminifera on the move
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Marine Foraminifera on the move
I've been hoping to see this for a long time. This marine Foraminifera (from the Gulf of Thailand) pulls itself through its environment using its reticulopodia (filamentous cytoplasm).
Re: Marine Foraminifera on the move
Nicely done, great detail.
Thanks for sharing.
Thanks for sharing.
Re: Marine Foraminifera on the move
Wonderful! Those reticulopodia in the early frames look really long. Do they extend them, latch onto something and then pull themselves along?
Harry
Harry
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Re: Marine Foraminifera on the move
Cool video.
Does your rig not support darkfield?
Does your rig not support darkfield?
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Re: Marine Foraminifera on the move
Darkfield only at 10x. I could have seen it in phase, but was already using oil at 40x when I found this.
Last edited by macnmotion on Thu Apr 04, 2024 3:14 am, edited 1 time in total.
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Re: Marine Foraminifera on the move
The reticulopidia can be used for both feeding and locomotion. You're exactly right in your description. Between the 2 scenes in my video the Foraminifera didn't move for several minutes, while it's cytoplasm stretched across the environment. Once it latched onto another piece of detritus it began pulling itself towards it.
I've seen reticulopidia used for feeding several times. Here are a couple of examples:
Re: Marine Foraminifera on the move
Thanks for sharing this microscopy, macnmotion. Terrific to see this behavior. That first foram at 40X-oil was a quite tiny organism ( as far as forams are discussed)..wonderful post, thank you. charlie g
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Re: Marine Foraminifera on the move
Thanks Charlie. I make it a habit now to scan through slides with my 40x when I have the time -- I often find things that I never would have seen at 10x, and possibly not at 20x.
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Re: Marine Foraminifera on the move
I saw another one, so I shot it with a Rheinberg filter widefield.
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Re: Marine Foraminifera on the move
There we go..... now THAT looks nice!