What is this strange thing in my aquarium
- Thread starter Fishlover1N
- Start date
Well it’s definitely an insect larvae…I would assume dragon fly, or???
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Are my eyes playing tricks on me, or does it look like a dragonfly nymph that's had its back half bitten off?
lottabubbles
Fish Fanatic
way back about 40 years ago I picked up a nice piece of driftwood and brought it home and did everything I could to clean it including throwing it into boiling water. after a while in the aquarium I noticed I was missing neon tetras. came in to feed the fish and there on the driftwood was the full grown dragonfly larvae with two neons one in each claw held by their eyes. didn't take long to get rid of that pest and apparently it was the only one.
Wow , after reading this and doing some research I’ve discovered a new fear
They're only really a concern if you're a shrimp or a very small fish/fry! But nightmare fuel if you dream about a giant one, or that you've been "Honey I Shrunk the Kids" into your tank!
They and damselfly larvae most often make their way into our tanks via plants that have been grown outdoors, so some dragon/damselfly eggs end up coming in on a plant or two, then hatching in the tank, and doing what tiny predators do to survive.
Since those eggs after often laid in small groupings, if you find one nymph in your tank, don't panic, but do remove it, and scan around in case there's another couple in there too.
Most of the time there are multiples eggs laid out, but if space and food is scarce, they will turn on each other and the "one" you find normally is the survivor of a total cannibalistic annihilation.
They will consume any prey they can overpower.
If at least they could eat bladder snails, that would make me happy
OP
OP
Fishlover1N
New Member
I have been trying to catch it for the past week but its a real pain. Today I woke up to a half eaten endler 
. So I have moved the remaining fish into a 5 gallon temporarily. Any ideas on how to get the larvae out without destroying my tank? Or will it just fly out on its own after a while?
. So I have moved the remaining fish into a 5 gallon temporarily. Any ideas on how to get the larvae out without destroying my tank? Or will it just fly out on its own after a while?
I've had them get in a few times, though I have never had one of the big species in my tanks. We tend to talk about them like they are one insect, but they come in varying sizes. When I kayak, one lake can have multiple species to land on my boat.
I'm a big fan of these beasts, except in my tanks.
I flashlight them. Wait til the lights are off, and you can often catch them dozing. You may have to remove decor though.
I'm a big fan of these beasts, except in my tanks.
I flashlight them. Wait til the lights are off, and you can often catch them dozing. You may have to remove decor though.
It is an interesting “beast” I can’t imagine it would be harder to catch than the fish, but I’ve never had one in a tank… don’t they climb around, using their legs, rather than swimming???
The flashlight trick sounds like it should work, or try using 2 nets…
I’d be tempted, to transfer it to a more appropriate tank or container, and watch it develop, which may require providing it with something to eat, rather than your fancier fish…
The flashlight trick sounds like it should work, or try using 2 nets…
I’d be tempted, to transfer it to a more appropriate tank or container, and watch it develop, which may require providing it with something to eat, rather than your fancier fish…
Some Dragonfly species, like the Wandering Glider, can develop from egg to adult in as little as four weeks.
While others, like the Golden-Ringed Dragonfly, can take up to eight years.
I think, I wouldn't take the chance to wait.
You've listed your location as Saturn, so we can't be precise helping except to say you shouldn't let Sasquatches bathe in the tank until you've caught them. Worldwide there are about 7000 species, all different. Colin's experience in Australia will be different from experiences and studies in Canada...
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