Damselfly hatch in my tank...with pictures.
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Old 11-16-2011, 02:53 PM   #1
sns26
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Damselfly hatch in my tank...with pictures.


I noticed a couple of little aquatic insects in my tank a few weeks ago, and managed to identify them as damselfly nymphs. I figured they were (mostly) harmless, and didn't worry about it. I'm glad I lived and let live because last night I got a nice treat and another reminder of how much more fun aquariums are when they more closely resemble actual aquatic ecosystems.

Over the course of about 3 hours, I had 4 damselfly nymphs emerge from their nymph stage onto some emergent driftwood. Then they flitted about my house. I'd have tried to shoo them out the door, but it's cold and I doubt they'd have survived long.
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Old 11-16-2011, 02:56 PM   #2
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Super cool!
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Old 11-16-2011, 03:05 PM   #3
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what do or did you have in your tank?
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Old 11-16-2011, 04:06 PM   #4
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Quote:
Originally Posted by johnny313 View Post
what do or did you have in your tank?
I'm guessing you mean "what did these critters come in on?" The answer is I don't know. There's a ton of plants in there, most from my local plant club. I only set the tank up two months ago.
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Old 11-16-2011, 04:18 PM   #5
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I think he's asking what fauna do you have in your tank? Is it a fish only tank? Shrimps? Etc. Since the damselfly larvae are known to eat shrimps.
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Old 11-16-2011, 04:18 PM   #6
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sorry... are there fish in there? shrimp? .. thanks Diwu.. you beat me to it.. need more coffee!!!
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Old 11-16-2011, 04:21 PM   #7
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sorry... are there fish in there? shrimp?

For fish, there's a small school (~15) of Espey's rasboras, and couple of rummynoses. There are also about ten amanos and a half-dozen CRS shrimp. I have not noticed any missing shrimp, but I have not seen any babies in the two months that the tank has been set up.
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Old 11-16-2011, 04:30 PM   #8
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i had over 100 nymphs in my tank.... it was crazy
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Old 11-16-2011, 06:02 PM   #9
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Amazing!
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The * crack was about as funny as your lame threads!
My shrimp bowl.
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Old 12-30-2011, 01:33 AM   #10
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Today I was checking my Co2 diffuser and noticed this same little bug in my tank. Last month I purchased 4 different types of plants from Petco(all growing). Also purchased 3 leopard snails from LFS. So I am not sure where this little creature came from....but I know my wife is freaked out by it.
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Old 12-30-2011, 01:36 AM   #11
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The adult damsels will make alittle slit in plant stems and lay eggs in them. The eggs can last a long time and hatch depending on time and temperature. When you have a couple dozen of these guys in a densly planted tank, they'll do a lot of damage, eating every baby shrimp they can. I had dragonfly larve in my first shrimp tank and even watched them team up to kill the larger shrimp.
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