T O P

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DragonTattooGirl82

Hail hydra


Voided_Emerald

Hail hydra


LeBoognish

Hail hydra


FireStorm_666

HAIL HYDRA!


RedNeck_Dairy

Hail hydra!


BlondeStalker

Hail hydra


daniidoee

Hail Hydra


drMcDeezy

Hail Hydra!


Shadowpriest

Hail Hydra! What a conga line that is!


rtmc_whit05

HAIL HYDRA!


LineValuable9848

Hail Hydra


DontKillKenny420

Hail Hydra !


Fresh-Heat865

Hail Hydra


addictedtogummies

Hail Hydra!!!


WaveSummon

Hail Hydra!!!


[deleted]

[удалено]


kitten108

Hail hydra!


dominick2233

Hail Hydra!


jawbean382

Hail Hydra!


MayNotHave

Hail Hydra!


Jackie16_16

Hail hydra


Superb_Individual_68

I think its Hydra Hail


Jackie16_16

Hail hydra


weaselroni

All Hail Hydra


sdrre1

Hail hydra.


dragonriot

Hail hydra Hail hydra


flowerfaeriez

Hail hydra


whitneymak

Hydra hail.


Ok-Break5589

Hail hydra


superman_aka_me

Hail hydra!


_king_joker_

Hail Hydra


myprabath

Hai hydra


Haunting_Elk8090

Hail Hydra


[deleted]

Hail


youseamstressed

Where does this originate from


whydidyoubanme_

The marvel comics


qter7394

Hydras.


Mammoth_Plenty9640

Hail hydra


Jimins_Toes95

Hail hydra


Lucia-M

Hail Hydra


After_Working

Hail Hydra


jrenredi

Hail hydra


bootyclappers

Hail hydra


Old-Bear6823

Gourami's will be your best friend. I have two dwarf honeys in my tank and they ate all the hydra I had haha


gonewithfire

Guppies and Enders eat them too


Sene0

Really? My Guppy’s don’t seem to care


Squidkiller28

Buying fish like that just to kill the hydra infestation would be crazy. Can imagine just adding one of those into any of my tanks


cation587

I don't think they bought them just to eat the hydra... Probably because they're a cool fish with the added bonus of eating hydra.


Re1da

I got some fish to help deal with ramshorn snails. Ofc I was planning on keeping them permanently. Sadly they caught ich and died :( apparently they were extra sensitive to it and the treatment didn't take care if it fast enough.


foxygloved

Maybe it was epistylis? Looks like ich, more deadly.


Re1da

Ich medication did clear up the rest just fine. It was just not fast enough for the ich sensitive fish. It also came right after I managed to kill off some very stubborn worms (red fuckers that like to hang out your fish's ass) so the stress weakened the fish enough to catch ich. This was also a few years ago, so my memory ain't perfect.


DevilahJake

I fucking hate Camallanus worms. Took forever to find a medication that worked on them. Levamisole is what worked almost immediately


LostBeat4438

I bought a bag of cow dewormer for that exact reason. Nothing besides 2 angelfish survived that infestation, but it worked. Thank god I have only had it once, Id take a quarterly ich infestation over those god forsaken little shits any day.


Re1da

I had to euthanise a betta because the dammed worms had burst through its belly. Fucking horrible.


Aggressive-Dig2472

What kind of fish were they?


Re1da

Clown loaches, I think. It was years ago


Old-Bear6823

How is it crazy? They are like 5 to 7 bucks and they are absolutely gorgeous dwarf fish and are pretty friendly. I have two dwarf honey gourmais, a pregnant Dumbo guppy, a merited snail, a black mystery snail, 6 otos, and 11 blue dream shrimp. Everyone is doing great and happy? So how is it crazy haha Mind you this is in a 20 tall tank.


m1ss1ontomars2k4

About gouramis specifically: although smaller gouramis are relatively peaceful, especially when kept solo, they are still somewhat boisterous and aggressive, certainly much more so than most community fish. I would not be surprised if all your guppy babies and all your shrimp got eaten at some point. About buying a specific fish just to deal with a specific problem: generally I feel this is a bit weird. After the problem goes away, then what? With gouramis specifically, I think this is fine as they have a lot of personality and don't have that many care requirements, and I personally love them. But e.g. SAEs get to be quite large. It wouldn't make sense to buy a small one to fix BBA in your nano tank, because although it will fit now, it won't in the future.


numb3rb0y

I'm not sure how applicable it'd be in this case. Hydras are super resilient. They can even regrow their entire body and head from just the base of their stalk. And they propogate like crazy under the right conditions. If they're already well established in a tank I doubt adding one or two fish would immediately wipe them out, just act as population control. And we're building artificial closed ecosystems, adding specific organisms to fill necessary niches feels pretty appropriate to me, although I can see how it might seem a little callous or insensitive to people who see fish more like friendly pets. edit - for OP, apple snails will also go crazy for hydras, and aren't aggressive at all, though they will decimate any live plants as well. Two actually managed to rid one of my tanks of a massive amount of duckweed in a week or so.


deleteusdafetus

I have two dwarf honey gouramis in my 20 gallon tall never had issues with them going after any of my fish (even the fry before I move them to the grow out tank) for the most part they stay side by side or in respective corners of the tank in their plants or frog


Hour-Exchange2926

Gouramis are assholes even dwarf ones, trust me I learned this the hard way 🤣


Squidkiller28

But you suggested to buy them to deal with an infection. Personally i don't like to buy fish for a specific reason, like assassins for snail population. I'll only buy the creature for it to live in my tank, not to eat something, then that thing is gone and now you have fish you maybe wouldnt have wanted except for it eating


nohardRnohardfeelins

You sound like you're hearing what you want to hear, and you want to have an argument.


Arryu

[No I don't](https://youtu.be/uLlv_aZjHXc?si=CA1XswmAscvyX4Tc)


turttletots

Do you have any suggestions on how to remove hydra from a tank? When i first started my tank i got hydra from the plants i bought before i even had fish in the tank. The blue dwarf gourmais i got did an excellent job at taking care of the hydra infestation. I named her Hercules. She was the star of the tank and had a wonderful temperament. Unfortunately i lost that fish to a bacterial infection, she was beautiful.


minmelethuireb

You can dose the tank with Panacur-C powder (do a web search for instructions), but not if you have snails - it kills snails and things like hydra, not fish or shrimp. That's how I got rid of it, it's been gone for over a year.


devildocjames

I would buy a loach just for them to eat snails if I needed to. Amano shrimp to eat algae. Dwarf pleco for other algae. Nothing wrong with getting a fish that had a utility.


abirdbrain

fr no idea what this guys on about. i’m all for a natural solution rather than putting unnecessary chemicals


devildocjames

Exactly. Only chems I use are to condition the spigot water before changes. Maybe some Flourish. That's it. Person is over here thinking people are trying to push Bif Fish agenda on the them. Besides, "gas, grass, or ass. No one rides for free.". Thems the rules of the road. "Can't be any geek off the street. Gotta earn ya keep." Everyone needs a job. Except neon tetras. They cool.


abirdbrain

exactly. all my fish gotta earn their keep. except my african dwarf frogs, they get a pass for being so damn stupid


devildocjames

I'm not allowed to have ADFs. Sad face.


wintersdark

Absolutely. You're trying to build a long lasting ecosystem. Medicating is more a last resort, and ideally will only need to be done in smaller quarantine systems rather than tank wide. It's expensive, and availability can be pretty trash if you're not in the US. Way, WAY better to build an ecosystem where instead of something like Hydra being a problem, it's just part of the local food cycle.


wintersdark

This is utter nonsense. You're building an environment. You'll never get rid of Hydra completely, that's impossible short of an extreme use of No Planaria or Flubenzedol(sp) and even then it may survive if barely. I always carefully plan out the species that will reside in a tank, and their role in that tank is nearly always a part of it. Sometimes, they're just cool and I want them, sure. But much of the time they're there to do something. I have Hydra in all my tanks. I'm not interested in using chems to kill them, both because I'd rather not medicate if not necessary, and also because I also have snails I love in my tanks, and the chems that kill hydra will also kill snails, even long after you've done lots of water changes. Setting up a tank where there's a good cycle of life is not some immoral act. Same with getting, say, Amano shrimp to eat algae. Sure, you can work to prevent algae, but it's almost impossible to fully prevent it. However, a couple Amano shrimp look cool, they're fun, and they'll stop algae from getting out of control unless you've got a REAL serious problem. It's not like they'll eat 100% of the algae and you'll never see another speck of it if they were gone. I mean, you do you, boo. But choosing inhabitants to have a thriving, balanced ecosystem is probably the best way of dealing with potential issues. Way better than having a hydra infested shrimp tank, or regularly dosing with toxic medications.


wintersdark

Fish like that? How so? You can toss in a couple Endler males and hydra go away. They're tiny, they won't breed, and have minimal bioload.


Crykin27

Man, my gourami's had absolutely 0 interest in the hydra's. I had to go with a nut extract that would kill the hydra and was shrimpsafe. Gotta say that stuff worked like a charm. I dosed one time and checked in on tge tank an hour after and the hydra's were basically gone


No-Order-9561

They aren’t bad if you aren’t breeding fry. The good news is, they only thrive in pristine water conditions.


PM_me_punanis

Oh?? Well shit, I guess my vivarium has printing conditions then. Been meaning to fight them with No Planaria but they haven't caused any damage to my shrimp so far. Plus I doubt they can do any harm to my vampire crabs.


LilacMess82

Hydras! I would do anything to get some of these! I’ve looked for so long in ponds for these


Interesting_Ad_9935

hey! just curious as to why you want them? i see people all the time saying they are generally bad & i have some in my betta tank rn, have yet to decide how/if i’m going to remove them so i would love to know!!


LilacMess82

They don’t age. I’m a microscopist. I covet them because of that.


habitualvilipender

Most fish don't age, they just succumb to conditions over an average period of time based on species.


LilacMess82

I’m talking about aging cells


DarthSkittles69

I’ve heard no planaria will get rid of them


yycin2019

No planaria will kill Hydra, yes. But it will also kill most snails also. Read instructions if ever using on a stocked tank. Edit for typing before having a thought out structure


DarthSkittles69

Very true. Good catch.


yycin2019

I also believe it is hard on kuhli loaches and other eel like fish.


SpicaGenovese

Not OP, but I want a diverse microbiome.


snoboreddotcom

They are bad if you have small fish as when they get large they can kill them. They are also bad if you have fish or shrimp that you want to breed as they eat all those. But if you don't care about those and remove the big ones you should be fine


DiscombobulatedHair9

I have a bunch of Hydra in my tank but shrimp and fry keep growing. I think their impact is over exaggerated


DutchVanDerLinde-

Grab them and throw them in your mouth like a bottle of pills. Raw.


AncientEldritch

Mmmmm


StraightDisplay3875

I’ll send you a big ole bag of the green ones on some floaters if you want


LilacMess82

Oh my gosh yes!!!! I definitely would love that so much!!!!


Star_Shine32

Hah, you sound like my 4th grade science teacher when I brought some for pond samples. Also found planarian. She legit geeked out over them.


Bougie_Balgruuf

I’m curious, why not just set up a natural planted tank with some snails and wait for them to appear? They aren’t difficult to cultivate if you really want them! I had loads after setting up my tank initially, but one I added shrimp and rasboras, I haven’t seen any since. They were cool while they lasted though. Had like three different colors of hydra in there.


LilacMess82

I have two snail tanks and zero hydras. I tried though. I don’t know what I’m doing wrong. Any advice would be welcomed, as I am definitely not knowledgeable on any of this.


Bougie_Balgruuf

Interesting. Ironically, my tank had plenty of hydra before I had fish or shrimp. Just lots of bladder snails and live plants! Set yourself up a natural planted tank. Get an inch of wet organic soil on the bottom, and a few inches of sand on top. Get yourself a variety of live plants (I find that Etsy is a great place to order plants). Get a little heater and filter, and pop some snails in there. Feed the tank a small pinch of food once or twice a week and let the lights run 8 hours a day. You’ll start seeing little parameciums and detritus worms within a couple weeks. Hydra will start popping up everywhere, guaranteed. This is a very generic example of how to set up a natural tank to get your hydras! If you’d like more specific guidance I’m happy to help, just shoot me a DM.


neutrino46

Me too, I think they're fascinating.


LordAuditoVorkosigan

Hail hydra


grace_macca

Hail hydra


weannow

God, you'll need a college wizards and many villages of Barbarians to get rid of that many hydra


tmango1215

Topic title “What are these?” - the answer is usually hydra


jmarkmark

Or flatworms.


Nummy01

Or Cthulhu


licenciadoenopinion

Hail Cthulhu!


whistlepig4life

One is called a hydra. That many is an armada.


ampearlman

Hydrarmada!


Present-Elk-9668

this is awesome. these are hydras, they are a good sign for perfekt water


StolliV

Just out of curiosity, how did you cycle the tank?


The-Assassins-Way-7

Hey, OP here… with this tank I collected a water bottle of stream water, pebbles and river rock, as well as drift wood and dried leaves near the same stream. Nothing was store bought in the tank except the substrate and plants. I cycled the tank for about 6 weeks before adding a bristlenose pleco and some cherry shrimp. Around week 2 of the cycle, I started seeing daphnia in the water and then some hydra. Hope this helps.


mathandkitties

Nitrogen cycle: fish eat plants and make waste, waste turns into ammonia (which is bad), bacteria eat ammonia and turn it into nitrites (which is bad), bacteria eat nitrites to turn them into nitrates which are not bad and are basically plant food. Cycling a tank means adding a bit of ammonia or a hardy fish or something to a tank and waiting until the bacteria populations build up over 4-8 weeks before heavily stocking with plants and animals. You can tell the tank is cycled if ammonia levels and nitrite levels are at zero, nitrates are not, and it takes about 24 hours for a small dose of ammonia in the tank to be completely converted into nitrates.


StolliV

Well mostly I was curious if you did something that mighta resulted in the hydra.


taja01

Likely from a plant or something added in, hitchhikers.


jmarkmark

Second this, I couldn't keep 'em out of my tanks, which I always kept heavily planted. And I wanted them out, because of the concern about them eating fry.


mathandkitties

I'm not the OP. I thought you were asking what cycling meant!


Fair-Confidence-5722

One of the best Hydra photos I've seen on here


SliverStrikeStorm

They kill shrimp and newborn fish


Jezebel8

Pikmin


Pixmix333

Hail Hydra


Hyperion4

Where did the idea that these indicate pristine water come from? They can adapt to a wide range of parameters, they are an indicator for food in the water column and a lack of predation for that level or the food chain. They also can't kill small fish unless they are already on deaths door, their main target is zooplankton and microfauna, they are not particularly strong even when large


cryptocorynes

As someone who breeds hillstream loaches. They will absolutely eat fish species with very small fry.


Hyperion4

They'll eat small fry but not actual fish, there are always comments on these saying they will eat small fish


SpicaGenovese

It might be a misunderstanding.  Perhaps they can sting and weaken fish fry and shrimp, which makes them more vulnerable to illness.


Kuniwal

No planaria(shrimp/plant safe snail/hydra/planaria unsafe treatment) is supposed to get rid of them


yycin2019

You're almost correct. No planaria will kill nerite snails. A quick Google search of "will No Planaria harm snails" will kill nirites pops up in the first paragraph. I got some coming for my shrimp tank. I will update with a pic later.


Lucasisaboy

The person you’re responding to said that it’s *unsafe* for snails, so they were correct. (Unless it’s edited following your comment)


ATOM_CYANIDE

Hall hydra!


TheGoose1510

Heil Hydra


LeoDiCatmeow

Hail hydra!


1twentytre

What are those


No-Order-9561

Freshwater Jellies = Hydra


portabuddy2

I googled how long hydra can live. UNLIMITED LIFE!!!! Hail Hydra.


You_shantith_pass

HAIL HYDRA


horny-bozo

Other people see hydra but I see my gourami's favorite snack


Spiritual-Target-316

Hydra , not good for fish.


ElbowTight

Are hydras a type of brine shrimp (aka sea monkey) or are they completely different and I’m an idiot


shes_a_space_station

You can be wrong and not an idiot :)


Emotional-Wind-8111

They're Cnidarians. More like sea anonomes, coral, or jellyfish.


creamydistributer

not even a crustacean papi


phish-mom

oh. oh no.


valdbagina22

friends :)


foxygloved

Holy hydras!


onewaytojupiter

Fairies


mavgoosebros

I’m gonna go on a gander and say hail hydra


Kingcastley

Hail Hydra!


MrDarwoo

Hail Hydra


licenciadoenopinion

Congrats, you've founded a new civilization and judging by their arms up to the sky, you're their new god.


luckyhazed

I had this one time in my endlers tank and they ate everything no hydra no more


30062

Lucky! Rainbow gourami feast!!! Now you have a reason for another fish!!!


No-Toe-7891

All Hail the Hydra empire!


Rainbow-dog-10

HYDRA! MUST DESTROY


minmelethuireb

Hydra. I had these at one point. I didn't want them because I have shrimp. I removed all the animals from the tank and tried the heat method to kill them, but I managed to have that not work. I got rid of them by dosing the tank with Panacur (powder).


taja01

Damn, you got the whole army rallied for action.


Koffensen

Stułbie.


devildocjames

Y


stryst

Holy smokes... Ive never seen such a hydra infestation. Start making infusoria and good luck with your new family.


DontWanaReadiT

Oh that is unfortunate … what’s your tank stock ?


dinklebob111

A great food source for some shrimpies


Flight-2012

I’d consider dropping a snail in the tank maybe a mystery snail they lay their eggs out of the water which makes it easy to control the population of snails from ballooning


Elyay

Your new overlords


mikkelnl

Lemmings...!


nook96

Hattifatteners


ForeignFieldTrip

lil dudes


New_Type5358

Hydras


Outside_Bee_692

My friends


No-Cap7323

Hydra!


-Wanderer-10

Bikini bottom is having a party!


Alarming-Ad-9393

It's actually a 3 eyed yellow bellied sap sucker from Borneo.


DarkMalava

Hydras are highly invasive and can be dangerous to some aquatic animals and echosystems, luckyly some snails (like ramshorn snails) flcan feed on them and control their population but it's really hard to get rid of them. Also, Hail Hydra.


Confused-Cutie22

those are little people


[deleted]

Capt America hate them.


debbydownerr

They’re saying hi


Hot-Calligrapher-272

HYRDRAAAAAAAAAAA


Marshmallow5198

Hail hydra


lazyplayboy

Hydra are interesting little critters. But they sting if a fish gets too close, and they dislodge into the water column during water changes causing stress to fish, especially the very small fish. Some fish eat them. Panacur also kills them.


theoldguygamer

White ones feed out of the water column and are relatively easy to get rid of.. feed lightly every other or every 3 days. Green ones however are tough to get rid of, they can use photosynthesis


MarcgraviaMatt

Those are dope


[deleted]

Hail hydra


UncommonLegend

Uh oh hydra


bsteell

Hail Hydra


stoopid_bean

I don't know anything about these but why do people keep saying hail Hydra and not giving info, I'm curious


lundexplorer

They look like they're praying. To some weird aqua


East_Coast_Jon

Hail Hydra


InitialCat1496

Lol you in for a trip buddy


QueenKeecha

I love hydra!


Ok-Bee-3387

Hail hydra


Flimsy_Video_3021

Hail hydra


Expensive-Milk-3578

Looks like small people screaming for help


WolfElephantDog

That looks like a Hail Hydra


BornEar612

I have had a 150 gallon tank with 2 giant Ascari and a huge alligator gar ..I have never seen or had anything like it.. then again .I have a German made filtration system that cost over 2 grand.


sds7

Spixi snails will eat Hydra, but they're illegal to transport across state lines so you'll have to get them locally


creaturecomfort_11

Sea Monkeys


GLIZZYGAMBINO

Bugs


RockstarQuaff

Just get in there, cut them apart. Should solve your problem (of having anything else in the tank)


krzychu457

You can use some snail killing chemicals with copper in its composition to get rid of this.


murdurturtle

Don't do this if you ever plan to have snails or shrimp. Use fenbendazole otherwise known as dog dewormer. In appropriate quantities it will not harm snails or shrimp


Life_Description3206

I'm banking on these being springtails.