Causes, Dangers and Elimination of Damselfly & Dragonfly Nymphs - What is this Aquarium Pest?

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Hi All,
Today I wanted to raise awareness for a very aggressive predatory pest that you may or may not find in your aquarium.
Damselfly and Dragonfly Nymphs can wreak havoc on nano tanks and shrimp aquariums, so it may pay to be aware of what this creature looks like and how to avoid them.
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#AquariumPests #DragonflyNymph #BlakesAquatics

Опубликовано:

10 сен 2024

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Комментарии : 137

@georgieippolito9924 2 года назад

if you find a dragonfly larva, release it in a pond or lake near you! they help control the mosquito population and every mosquito larva helps

@spencer4997 Год назад

If it’s native

@kevinsmith8076 Год назад

@@spencer4997 said near you

@darius2991 Год назад

No. I find it, I kill it.

@darirusanferaa7647 8 месяцев назад

They also eat Fry right?

@kaden.slone04_biology 5 месяцев назад

@@darirusanferaa7647Yes, but depredation of fish fry is natural. The reason fish lay hundreds upon hundreds of eggs is that normally most fish will die before they reach adulthood.

@ay6389 2 года назад

I'm over here trying to rescue dragonfly nymphs from my pool drainage lol

@BlakesAquatics 2 года назад

🤣👍

@andreahood8409 3 года назад

I just recently lost over $200 worth of neocaridina shrimp due to a couple of these in my tank that came from some dwarf water lettuce I ordered from Amazon. I stared at that tank hours a day and never saw them. I ended up emptying my tank and starting over because I thought something else was wrong, until I found them in the bucket I was draining water into. Disgusting terrible little monsters!

@BlakesAquatics 3 года назад

oh no so sorry to hear! yep they wiped out a heap of pencil fish for me and a colony of black cherry shrimp -_-

@cheesyfries6885 2 года назад

Same I spent a lot of money on blue dream shrimp and I knew my water was right couldn’t figure out what happened

@talorzwilliamz4134 2 года назад

They're not monsters

@jonathancornelius3847 Год назад

i have just lost 500 dollars worth of red galaxies due to these i killed 13 already in the tank feel like burning my tank tbh i hate these things. sorry for your loss..

@silverkiss37 Год назад

YES they are terrible and disgusting! Blech. My beautiful shrimp have been dying off too! Stupid me night water lettuce from some kid of craigslist. I didn't think much of it at first, even tho he had his tanks in his garage. He must not have lids on them and now I've found them in my large aquarium as well. They are black, sneaky and horrible! I just killed three today. How long will these things hatch for? I've had the floating plants for over six months! My shrimp are goners.

@taiaquatics 3 года назад

catch the fry or shrimp as best you can, transfer to another tank. get a paradise fish or similar gourami and keep it in there for a few days without food, problem solved. similar to new plants, put in the gourami tank for a few days, game over for nymphs

@poly3706 2 года назад

can paradise fish handle the larger nymphs?

@oqihouqiop 2 года назад

@@poly3706 yes, gouramis will just rip them apart

@himlolo 2 года назад

How about just removing all fish/shrimp and just letting the nymphs die from starvation ?

@zr5963 3 года назад

I caught them too from a pond. They can't live on the land in the hot sun. They die in a couple of seconds when exposed.

@erockbrox8484 2 года назад

I have an outdoor tank and I just saw these in my tank, they are small but I see them. They are a crazy predator.

@mooganify 10 месяцев назад

Outdoor tank???

@glennegan3977 3 года назад

Haha - I actually chase these guys deliberately for live food in my native tanks.

@misteralex01 3 года назад

I caught one eating my tetras so I fed it to my beardie

@CbrRob 2 года назад

Has anyone has success killing these off without starting from scratch with the tank?

@johnmaude5065 3 года назад

You got a great sponsor there, Ben is a top bloke 👍

@BlakesAquatics 3 года назад

Yeah very grateful 👍

@rlagendyk 3 года назад

I found one of those in my tank a few months ago. Managed to get it out. Never knew what it was until now. Thanks!!

@BlakesAquatics 3 года назад

Glad I could help!

@CbrRob 2 года назад

Did you find anymore after?

@rlagendyk 2 года назад

@@CbrRob never one of them again after. I like your handle. I’m also rob who has a Ducati 😂

@pepapig3635 Год назад

I saved some dragonfly larvae thinking they would get along and killed my tadpoles :(

@BlakesAquatics Год назад

Oh no!

@plden2442 2 месяца назад

Yep killing my newts in my pond.

@pkoppart 3 года назад

what a nightmare. Thanks for the good info

@BlakesAquatics 3 года назад

No worries!

@gedGOD 3 года назад

Thanks for the info Blake. Haven't come across them yet. Congrats on 8k!!

@BlakesAquatics 3 года назад

Much appreciated!

@wolfcat120 Год назад

I know everyone is saying it but thanks so much for this video! I just found a damselfly nymph in my betta's tank and I promptly scooped it out and killed it.. My betta has a little guppy roommate and the nymph could've easily taken the poor little guy out. I really hope there aren't any more :(

@rozjacqueline2 2 года назад

Thank you. There’s not much details information on Damselfly nymphs. I have hundreds of them in a large old plant pot which I’ve been feeding with blood worm & daphnia but I didn’t notice the eggs in an old plastic tub. So upset cos they all died, I believe it got too hot in the plastic tub cos of heatwave. The adults were very big and skin coloured or yellow. Not sure what kind but their my wee sprites 🪰

@dellseasandoval8187 Год назад

Nice to see you again Blake. Will mosquito fish eat damselfly lava (especially when the damsel fly larvae is only half or not all the way grown)?

@BlakesAquatics Год назад

Not really, damselflies are too nimble

@ashr8801 3 месяца назад

Omg!!! These are the WORST!!! My very first shrimp tank had one of these. I suddenly found little shrimp bodies everywhere. It wiped out my entire tank in less than a week. Your suggestion of quarantining plants in a bag of air is perfect!!! That experience kept me from restarting because I didn’t want to waste all of that money time again. Thank you!

@bugloverspiderlover8490 2 года назад

I’ve kept these as pets before and they are neat pets.

@nklumia 2 года назад

What do u feed them?

@bugloverspiderlover8490 2 года назад

@@nklumia small minnows mosquito larvae worms,tadpoles stuff like that.

@therealdirtydan6794 2 года назад

@@bugloverspiderlover8490 how do u go about getting one of these cuz I’ve had no luck

@bugloverspiderlover8490 2 года назад

@@therealdirtydan6794 I just found them in ponds and creeks.

@therealdirtydan6794 2 года назад

@@bugloverspiderlover8490 alright thx

@Anthony69420 3 года назад

Yikes i saw one of these today and thought an alien shrimp somehow made its way into my tank... i had a few shrimp die did a 90% water change immediately removed it

@rozjacqueline2 2 года назад

I tried this on information I got from pet shop. Be careful of the chloride in tap water especially on the outskirts of large city’s and in small towns or villages. Tap water full of chemicals

@marypaigeflynn4512 2 года назад

Great video Blake I was doing a little research myself on this subject and your video popped up first on a Google search 👍💪♥️ I finally got moved and I'm going to do some summer tubbing and I noticed near our Creek we have a lot of dragonflies!! Thank you for the great information! I hope you're having a wonderful and blessed day!!!🙏♥️🌿🐟🌿💕

@dellseasandoval8187 Год назад

I have been told that if you ever intend on keeping shrimp never ever use any medication with copper in it. Is this true because I was told it could become infused with the Aquarium silicone. What is your opinion Blake? Thank you for sharing your knowledge & experience.

@BlakesAquatics Год назад

Shrimp are definitely sensitive to copper but re: it getting into the silicone well many fish foods have trace elements of copper so i disagree with that

@dellseasandoval8187 Год назад

Thank you for the information sir.

@kiakatangel 3 года назад

thanks SO much found one in my nano fish n shrimp tank been trying to find out what it was , it was chewing on small breeding snails ... i freaked !!!n ... now i know all about the little shits :)

@BlakesAquatics 3 года назад

So glad it helped

@naturamericas5786 2 года назад

Fished out one of these in yesterday's water change of my 30 gallon planted aquarium. My son said it looked like an alien lifeform. Hoping that's it.🤞

@BlakesAquatics 2 года назад

🤞

@My2up2downCastle 2 года назад

I found one today, right in the front corner of my cpd tank....got him out with a turkey baster...now on the lookout for more....

@BlakesAquatics 2 года назад

Good luck!

@CbrRob 2 года назад

Did you find anymore?

@edstar81 3 года назад

heaps of great info their mate. Hope you get rid of em

@BlakesAquatics 3 года назад

I hope so too

@Freedom_Fighter72 Год назад

I just found a damsel fly nymph in my tank and I have also seen what I believe to be damsel fly larva. I will increase the temperature, If I see anymore I might just take my tank apart, I have an added my fish yet but my tank has been cycling for 2 months so I'm definitely disappointed

@hummingbird3771 Год назад

This is my first summer guppy tubbing, and I was just admiring the vast flight of dragonflies around my yard this week... great information about the plastic bag quarantine, thanks Blake!! Have you ever kept them in a separate tank?

@BlakesAquatics Год назад

I havent, way too risky for me 😄

@hummingbird3771 Год назад

@@BlakesAquatics I hear that! Angelfish are barely clearing the community standards I like in my tanks. The electric blue acaras were a mistake I won't make again. They're in a 6 foot tank and still killed 2 mature Dennison Barbs and a mature Rosy barb! They're worse than the Golden Wonder Killifish, ugh. Time to sell them. I hope the geophagus tapajos isn't a nightmare... At least they're worth more grown out.

@davidegiannini661 3 года назад

I saw a damselfly in my tank. I have danio margaritatus and red cherry in it. Are them a problem for the adults too or just for the babies? I think it may have come with live food for the fish, so at least there is a chance that it is alone...

@BlakesAquatics 3 года назад

It always depends which type but id say yes, try to remove asap and keep a close eye over the coming weeks. I found it handy to check right as the lights turn on before they hide

@davidegiannini661 3 года назад

@@BlakesAquatics thank you! I hope to get rid of it soon 💪

@BlakesAquatics 3 года назад

Good luck 🙏

@herpdiversity9152 3 года назад

Never had to deal with them luckily

@Hi_810 Год назад

I’m so glad. I am redoing and old tank that I had just sitting in my room. I had it full of plants that I pulled out of my grandparents pond. I was cleaning it out and once I drained the tank, cleaned it, put the new substrate in, than did several water changes. I than saw a little shrimp like thing right next to the glass so I trapped it in a cup and did research. I don’t have any fry’s or shrimp so I’m not worried, and the tanks not set up yet so I can find and kill them easy!

@BlakesAquatics Год назад

Good catch! Best of luck removing them

@threebythestreet 11 месяцев назад

Dont kill them! When they grow up they can eat 100 mosquitoes in a day!

@TripleJAquatics 3 года назад

Great info! Thanks man

@himlolo 2 года назад

If you remove all possible sources of food they would just die out eventually right ?

@BlakesAquatics 2 года назад

Yes absolutely but they can survive a long time on micro fauna

@himlolo 2 года назад

@@BlakesAquatics oof that sucks so there’s no way

@BlakesAquatics 2 года назад

@@himlolo not short term nah

@funnyberries4017 3 года назад

I'm just starting my aquarium, and I didn't know about quarantining plants. When I was gluing my plant to my log I noticed a weird green bug in the sink. It was a nymph! What do I do? I just spent a month cycling my tank, and I would hate to have to start over. I don't have any other livestock in there. What do you guys recommend?

@BlakesAquatics 3 года назад

If you can tank all of the decorations out and dip them in bleach, then inspect the tank really closely for any more that would be pretty reliable

@madaboutmilitaria3630 2 года назад

Thanks for the video, just found a damsel fly nymph in my tank😬

@BlakesAquatics 2 года назад

😓 good luck

@justindawson3428 3 года назад

I have outdoor ponds/tubs and I get them all the time. They do make good chook food.

@jaredgarden2455 2 года назад

If you have an outdoor pond then these are a good sign and impossible to remove, they will clear up actual pest species, please don't kill them.

@Katy.Is.Thy.Name. 2 года назад

I can’t get a direct answer on google so hopefully someone here can help me out, I saw a brown damselfly nymph in my tank a few weeks ago but I was unable to catch it, it snuck out of the net when I got it snagged, today I caught a green one and I’m stupidly hoping that it’s the same one from before but it’s changed colour after moulting, if that’s even possible? I’ve stripped my tank almost bare and haven’t seen the original brown one since and after catching the green one today could I be lucky and it’s just the one? Or do they not change colour and I’m an idiot??

@BlakesAquatics 2 года назад

I have had this! I agree a bright green is a nymph post shed as I had the same thing and also couldnt find the orginal nymph

@xkellyp 2 года назад

Thanks for the video, I just put some fish in my new aquarium today and found one of these buggers in my aquarium. It was sitting on my spiderwood log and I freaked out when I saw it.. I managed to catch it within a few seconds and flushed it down the drain xD. I was on the look out for about an hour but I haven't found another one or seen any eggs.. I hope it stays that way..

@BlakesAquatics 2 года назад

Good luck!

@3am_feaz 3 года назад

YOU HIT 8K SUBS. LETS GO!!!

@BlakesAquatics 3 года назад

🎉Cheers :D

@donnabenvin7294 3 месяца назад

I got an order of bladder snails for my Peapuffer. I always keep them in a small container. This morning I found one of those in with the snails. 2 were dead but one alive. Will these hurt my Peapuffer?

@BlakesAquatics 3 месяца назад

Pea puffer might be at risk, remove the nymph if you can

@cheesyfries6885 2 года назад

I think that’s why my blue dream shrimp were wiped out I found one resting on my water lettuce /:

@BlakesAquatics 2 года назад

😓 sorry to hear

@chimpanzeescouldkillyou6009 2 года назад

so far I've taken about 30 out of a shrimp and daphnia tank. my daphnia are next to none. the damselflys started of small and white, and now they are turning green.

@BlakesAquatics 2 года назад

Good luck!

@HCAqua 3 года назад

yeah, I hate those things!

@mach389 2 года назад

Great info thanks 👍👍

@God-ec8ni 5 месяцев назад

i just caught a damselfly nymph on my aquarium no wonder my shrimps has been hiding for the past days and one of the shrimp died i thought it was because of molting but now i know he got caught while he was vulnerable after molting the monster larvae transformed after i took it outside i have alot of guppy grass thats why its hard to spot

@morgs2072 2 года назад

You are a legend thanks so much! I have a few of these creepy buggers in the tank and was freaking out! Haha looks exactly like the one you caught.

@DanielKeepingFish 3 года назад

I shoots it's mouth out to seize it's prey and you went frog. Not Xenomorph from Aliens! Man you get one shot at it....

@BlakesAquatics 3 года назад

:D yeah look huge opportunity missed. instant regret

@tapewormjr.388 4 месяца назад

I'm glad I found them before ever trying to put shrimps in my new tank! These little things look awesome and I want to keep them. Does anyone have any advice for keeping them?

@ManicMercurianAstrology 3 года назад

Thank you so much for this! I had a big black one of these in my 10 gal and I had no clue what it was, even after searching Google. Just started the video but I'm baffled by how one of these suckers could have gotten in there! Luckily I just moved and the tank sloshed around a bit (no fish or shrimpies in there of mine, just plants, so don't worry), and since my move I haven't seen the damsel/dragonfly. Hopefully it is gone for good, fingers crossed!

@BlakesAquatics 3 года назад

fingers crossed mate, these things are the absolute devil :D

@sionghua 3 года назад

I had to pull everything out of the tank to find it.

@zr5963 3 года назад

😂😂😂😂

@jerrydff7 8 месяцев назад

Copper sulfate does not work and this is coming from a water garden nursery owner

@rdred8693 6 месяцев назад

I don't want them in my outdoor tubs.

@biswajitbarik1724 Год назад

If i dry out the tank , get the shrimps out to other one , will the die without water

@BlakesAquatics Год назад

Yes they will die out of water but make sure they arent even able to access a small puddle because theyll survive in that

@monkedegenerate3401 10 месяцев назад

looks like a xenomorph larvae and its disgusting, and i have them in my tank... 😢😢😢😭😭

@mrWonderphilly Год назад

Recently I had a goldfish spawn so I put the babies in a shrimp tank to grow out (should have been perfect.. tiny critters everywhere). Was sort of disappointed that more did not make it... Then I found the damsel fly larvae today. It all makes sense now.

@BlakesAquatics Год назад

Oh no! Good to find the culprit at least

@vinnygraziano1318 Год назад

Comet Goldfish are actually a great way to get rid of them. I actually release nymphs deliberately into my goldfish tank to feed them. They go crazy for them. I actually call them feeder nymphs :P

@pietrogavino8225 Год назад

Cool! Im thinking of taking out all shrimps in a bucket. And ill put a goldfish in there :)

@vinnygraziano1318 Год назад

@pietrogavino8225 Yeah, they will have a field day. The two animals I found to combat this issue are Goldfish and Oscar Cichlids. They're so aggressive and the oscar may eat them faster than you expect

@mooganify 10 месяцев назад

Won’t the plants die without water?

@BlakesAquatics 10 месяцев назад

Nah aquatic plants do fine in humid environments. Imagine in thecwild when its dry season and the water level goes down

@theschoolofthoughts5274 2 года назад

Upto what size fry they can eat

@jasonthor9340 3 года назад

My pond of fancy guppies have been wiped out completely. Found a dragonfly nymph yesterday and I destroyed that thing. My hundreds of guppies... gone because of these devilish pests.

@BlakesAquatics 3 года назад

Sorry to hear 😓

@jessicastone4947 Год назад

Is this regular table salt or aquarium salt

@BlakesAquatics Год назад

Aquarium salt, sea salt or rock salt. Anything non iodised

@nikitas7661 2 года назад

I found one of these, I thought I was keeping my tank relatively clean. I checked under the gravel and there were so many of them. Gave me the creeps. Unfortunately, I had to throw everything out, gravel included and quarantine my betta (from the plants). My betta is an old guy and barely eats. I didn't want him trouble him with chemicals.

@BlakesAquatics 2 года назад

😓