Joined: May 29, 2007 Posts: 2181 Location: Hyderabad
Posted: Fri Apr 25, 2014 9:06 am Post subject: Earthworms in tank
I am curious to know how long an earthworm can survive under water?
When I started my tank emersed(DSM) I introduces a few earthworms to aerate the substrate and to breakdown any decomposing matter. When I submerged the tank, most earthworms surfaced and I scooped them out from the tank and placed them back into plant pots(where I took them from).
But yesterday, its been more than a month since I submerged the tank, I found a couple of earthworms while siphoning the gravel :O How on earth can that be possible?! These worms survived a month under water! I heard they wont last more than a couple of hours underwater. And when I left those worms they went back into the substrate. Totally unbelievable for me, will try to do a video shoot next time I siphon the tank.
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