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What is this?

659 Views 5 Replies 4 Participants Last post by  Hammer
I found 2 of these in my shrimp tank and sucked them up since I didn't know if they were good or bad. Anyone know what these things are? they have 6 legs and they swim around by wiggly around like a worm. Creepy looking!

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Damsel fly nymph / larvae. Native species more than likely. To the best of my knowledge they are not carnivorous like dragonfly larvae, damsel fly nymphs are herbivorous - mostly algae. My guess is you got water / infusium from an out-of-door source, like pond. If that is the case put it in the water source you got it from.

Hope this helps
Thanks! I took some duckweed from my outdoor pond and put it in my tank one time.... that's probably where it came from! Good thing they're harmless.
I won't trust them though with baby shrimp ... that may be too close to their natural food
Quite sure that damsel fly larvae are shrimp killers. I'd stomp that little fella. You can see them in action on YouTube, they're apparently ambush predators.

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Definitely predatory...they would eat juvenile a flash
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