Once in a while when I drop an earthworm in the tank for my warmouth, he won't get to it quick enough and the worm will quickly work its way under the gravel. I figured they would just drown and get picked up when I vac the gravel. It's been well over a week and a half since a worm has gotten by my fish. Tonight I was vacuuming the gravel and I sucked up a worm that was still alive and as healthy as can be.
I did some googling and found out that because they absorb oxygen through their skin, earthworms can survive underwater for extended periods provided that the water is well oxygenated.
These were just worms out of my backyard.
I did some googling and found out that because they absorb oxygen through their skin, earthworms can survive underwater for extended periods provided that the water is well oxygenated.
These were just worms out of my backyard.