Hi all,

So I noticed 2 unknown intruders in the false bottom of my bio-active terrarium I've setup and have left for a couple of months to establish before introducing my 3 Costa Rican red eyed tree frogs.

In the video link ( https://youtu.be/fsQLiTXycFE ) you can see the main intruder I'd spotted and while I was filming with a usb microscope I also managed to capture this little critter hunting another tiny intruder that I hadn't noticed before.

To gauge a sense of scale, in the video you'll also see lots of beneficial spring-tails - but if I had to guess I'd say the main intruder was 4 to 5mm long and 1mm wide.
Any advice on what these are, and whether it's something I need to worry about, would be much appreciated,

Thanks



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