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It looks like a Glassworm, Chaoborus midge larva. Chaoborus

Those people should remember that there are several species of snails commonly found in our tanks, and several species (and hybrids) of 'Kuhli's commonly available in the trade. That gives pleny of scope for different experiences. :)

You could increase the number of Neons a bit so that fewer shrimplets survive. More Neons should look good too.

I think you've answered your own query. :)

That website mentions 'grams' rather than 'grammes', leading me to suspect that it's American; in which case those gallons are probably US gallons, which are 3.79 litres. hth

You can usually see a few out and about in the daytime (or photoperiod) but far more after lights-out.

Commercially bred Neons are quite adaptable, pH7 or 7.5 would be OK. They are also very often weak and in poor condition/health. You might have to shop around a bit to find some good ones. Green Neons usually seem to be in better condition so you might consider those as an alternative.

They could; they also have this page: Defra Which states; "Pest has been archived This pest has been assessed for the Risk Register and is considered to pose a low risk to the UK. The information on this pest was correct as of 08/01/2021, but is no longer actively maintained. It will only be...

If you (we, all) join your local Wildlife Trust they will keep you informed about petitions, campaigns etc. And your membership fees will help fund their work, which includes direct conservation activies and political campaigning. The Wildlife Trusts | The Wildlife Trusts

A cynical person might think they didn't want to stop the spread, as it would interfere with their empirre-building.

Yes, they are legal again; OATA

You would need a lot; my four could eat a whole cucumber or a whole lettuce in a day. I suspect they would still have eaten any plants I put in with them. :)

If you are, I am too. Which is quite possible. :) I think they small nice for a few weeks, then start to smell bad and it's time to bin it.

If you have a hospital tank, or just another tank that has no shrimps in it, I would separate her in case it's something that could spread to your other shrimps. I know that parasitic barnacles can mimic the eggs mass of a crab, and wondered if there are similar ones that attack shrimps; a quick...

Oops, I though it was the OP confirming the legs. Can you get a good look at it @Tommythefish ?

OK, that rules out leeches and flatworms. :)

Can you see if it's got lots of legs?

That's better, and the coin for scale is good. I still think an isopod of some sort, Asellus or one of its relatives. Probably came in on some plants, maybe when it was tiny. Could be a foreigh species, depending on where your plants were grown.

Could be an isopod, Asellus or similar. In which case it's harmless. A better pic would certainly help if you can manage one. Have a look here and see if it looks similar. Asellus

If it did, I would be worried about those eyes. :)

Or do they advertise them at that price and find nobody buys any? :)

I don't think that leaches ammonia, but I haven't used it myself, maybe some-one who has can confirm.

What substrate are you using? Do you know whether it leaches ammonia?

They are illegal in the EU, because they can survive outdoors in Spain (at least) and could become invasive. Since Brexit they are legal again in the UK. I did that with the Gold variety. :)

I agree with that. But not so good for an Apple Snail tank, as I found out the hard way. It took them about half an hour to eat all the sponge. Didn't seem to do them any harm though. :)

In the husband? :)

I bet that if you were thinking of changing them using expensive aquarium products they would be all for it. :) Cuttlefish bone works, and it's cheap. If you don't trust your water test results have a look at your water supply company's website for a drinking water quality report.

That's as sure as you can be. :) And heathly ramshorns are a good sign, they are quite sensitive to (some at least) pesticides. Your extra info rules out a lot of possible problems, so I think nitrite caused by your filter not working effeciently looks like the most likely cause. Guppies (and...

That's a big filter for a little tank. What filter is it? And what media are in it? Have you had to restrict the flow a lot? It's possible that the flow is too slow for it to work efficiently. There may not be enough oxygen passing through, or it may have stagnant areas. More info would help. Do...

You could state when advertising your plants that they come from a tank with scuds in, and that any buyers that don't like scuds will need to treat their purchase before adding it to their tank. Most people won't care, and those that do will know where they stand.

Or weave them into cloth. :)

Everyone should have a nettle patch; they are great for butterflies and other wildlife in the garden as well as for shrimps and fish in our tanks.

It's the other species of Crossocheilus that get confused with SAEs. Most of them look very similar.

DH expresses the hardness in terms of how much CaO would give that level of hardness. If the shrimp salt is using CaCl2 for the hardness, the TDS would be different to get the same level of hardness. So there is often a difference between measured hardness and hardness calculated from TDS.

It worked for Hercules. :)

I suspect Cladogonium ogishimae. There's a good explanationof the differences here; Green 'Fungus'.

You wouldn't be the first. :) I think leeches are fascinating, but I wouldn't trust a big one with fish. :)

One of the reasons Bettas are so popular is that they have some personality; but that means they vary a lot in temperament, - hence the different opinions out there. People have different experiences with different individual Bettas. I would only try it if I had a spare tank ready in case I...

I wouldn't rule out copper, as crustaceans are much more sensitive to copper than snails or fish. Of course, that doesn't prove copper is to blame, but it's a possibility.

Tropica potted plants are safe, - grown in Denmark. But they also sell some non-potted bunch plants, which they don't grow in their own greenhouses and those are not guaranteed to be free of pesticides. So if yours were all potted you are safe. Tropica

If you plants were grown in the EU they should be safe, and the supplier can tell you for sure. If imported from outside the EU they are treated with pesticides to meet the import regulations; in that case there are ways of cleaning or neutralising them, but as they are already in your tank you...

They don't like bright light. Apparently, if they breed in your tank the babies will be active under bright light if that's what they grow up with. https://www.practicalfishkeeping.co.uk/features/snails-from-sulawesi/

But they are pathenogenic, and many populations contain no males. https://www.researchgate.net/publication/263297865_Sexual_and_parthenogenetic_populations_of_the_freshwater_snail_Melanoides_tuberculata_in_Israel

Sounds like another product that does something that would have happened anyway. :)

You could try a snail trap, baited with meat. It may work, but depends on the species of leech.

That is often the case. What species of Nerite are they?

You are right about too much food. The snail population will be limited by food availability, so you can keep their numbers reasonable by careful feeding. I've had Faunus ater, never had any problems with them eating my plants, but there may be some plants they can't resist. They didn't touch...

Fortunately my tapwater doesn't give me any concerns. But I use the same principle for testing hardscape if I'm not sure about it's safety, such as; unknown rocks especially ones with veins, found wood, sand that wasn't sold for aquarium use, and anything synthetic. After a week in the bucket...

That is possible, but quite unlikely. You can eliminate the possibility by getting a brewing bucket and using it exclusively for aquarium purposes. You could test your bucket (current or new) and your conditioned tapwater by filling the bucket with tapwater, adding conditioner, and adding some...

There are parasitic flatworms, but they live inside the bodies of their hosts, very unikely to be seen crawling around. The population will decrease when you have got past the leaf melt and they have less food available, provided you don't overfeed your fish and shrimps. You can remove lots of...

More information about your set-up might help.

I was going to say it depends on your attitude to snails. Then read those two replies which illustrate it perfectly. :)

@Protopigeon; there's a World of Water near Rugby, which is a bit closer to you (and me), they often have some interesting fish and shrimps, though I haven't been for a while so I don't know what they've got at the moment. They sometimes have some nice wood too, but you need to look outside in...

African Scat, perhaps? Scatophagus tetracanthus.

Have you seen Green Neon Tetras? Fairly similar to Cardinals, but substantially smaller. Smaller even than regular Neons, plus also they are usually healthy, whereas most regular Neons available are very poor.

I have used Lincolnshire Pond Plants, and had some good plants from them. However; from their website: "Important Plants are incubated in a solution of 0.01% of the insecticide Buprafezin for one hour (Please do not just drop these in a shrimp tank or with any other crustacean. To use these...

Tapwater conditioner would be a good idea. Standing the water will let the chlorine escape, but not chloramine, as Tam says, also conditioner will bind any heavy metals, such as copper, - invertebrates, especially crustaceans are far more sensitive to copper poisoning than fish (or humans). What...

It seems unlikey that the gravel is the cause your problem, it should be harmless to shrimps and snails. If you could post some information about your tanks and the symptoms your shrimps and snails show before dying (if any) we might be able to spot something you have missed. eg, tank sizes...

I see you have made 25 posts, so you should now be able to see the buy and sell part of this forum. :)

No they don't, they seem to thrive on swirling about. And it will keep their food in suspension and bring the shrimps and food together. Green water is good for food, and yeast is useful for when your green water supply isn't doing so well. I haven't raised any since moving house, perhaps I...

Yes, a cone is good, you can put an airstone at the bottom, and it keeps the brine shrimps swirling around with no corners to get stuck in. They need plenty of water movement. A lot of people use an inverted pyramid, as you can DIY one from flat glass. Similar principle, with an airstone at the...

I read somewhere, but can't remember where, or find any notes (grr), that there are a number of very similar-looking species with different habits. So what appear to be Amano shrimps, and were sold as such, may be something else. It would explain people's varying experiences with 'Amano'...

Definitely something wrong there, either with the distilled water or with the hardness testing.

Pollen is suposed to be very good food for shrimps.

It will probably grow back as a healthy leg when he moults, crustaceans are very good at regrowing damaged or lost limbs. It might be undersized after the next moult, getting back to full size after a few more moults.

I believe the eggs hatch in freshwater, but in nature the larvae get swept downstream to brackish, then salt water, where they develop and they migrate upstream as adults.

Yes that looks like a dragonfly larva, or nymph. I don't recognise the species though, it could be foreigh if it came in with imported plants. They lurk and ambush their prey, can certainly catch shrimps and fish.

Good call. Quite a few treatments will kill Hydra, but I didn't know there was a shrimp-safe one now.

I'm so sorry to hear that, especially after reading your posts about searching for shrimps and finally getting them. Bleaching should have taken care of them. Scraping and squashing are not so great, as they can grow back from the pieces. They are actually amazing creatures, but but a real pest...

Can you make any sense out of that diagram? I suspect that most shrimp owners just put a few cherries in their tank with tap water and never think about TDS. Mine lived, moulted and bred at 18°GH before I moved house. 12°GH now.

I believe that you can claim back the German VAT, but only if you then pay the UK VAT. I've bought stuff from Germany in the past, and they gave me the option of paying either UK or German VAT, and the German was cheaper. Don't know if it's still the same, but there's probably not much difference.

Something like this. Also useful for anything else you need to keep warm, like that leaf full of Angelfish eggs in the pic, or even as a quarantine/hospital tank if you put a flowerpot cave and some plastic plants in. Note there are two bottles of brine shrimp eggs, to ensure a constant supply...

Try to get some heat if at all possible. Brine shrimp eggs will seem expensive if you only get 5% or less hatching. Depending on your hatchery (I use 2l pop bottles, so no problem) you can put it in a small tank with a heaterstat to keep it warm.

I kept cherries with: Five-banded Barbs Pygmy Chain Loach Glass Catfish Indian Glassfish Clown Killes Coolie Loach Hyalobagrus flavus Dwarf Corydoras never seen any of them eating or harrassing the shimps. They may well have eaten some shimplets, but not all of them, as the shimp population...

Yes looks like an insect larva. Planarians are not segmented.

It's not easy to identify these larvae, but it could be Tanypus, a genus of midge.

And if you put some Daphnia or Cyclops in the bucket you will find out if the rock is leaching anything toxic to crustaceans

Did he know how low it is already?

The green hydra has symbiotic algae, so they can have a population boom without an abundance of food.

A lot of books also say Dwarf Gouramis Trichogaster lalius will eat them, but the only hydra outbreak I have had was in my DG tank. Hydra are quite interesting to keep for their own sake, in a jar of their own where they won't do any harm.

They can eat animals two or three times their own size. They grab hold and suck the juice out. Find it ASAP, and look out for any more.

Are you sure it's not the monster's mysterious larval stage? Anyway, welcome. The looping movement suggests some kind of leech, but the stumpy legs are confusing, I don;t think any leeches have those. Larval insects sometimes have stumpy legs or pseudolegs, maybe that would be another group to...

I don't know about the accuracy of test kits, but I have come round to thinking that they are unnecessary. I started years ago when testing pH was considered high-tech, and nobody tested anything else except temperature. I don't think the kits were even available - certainly not from the shop I...

If they are whitish and transparent, I guess they are quite small. If they are Dragonfly nymphs (nymphs not larvae) they can grow to 2" or 3" and can certainly eat Otocinclus, small tetras etc as they grow. If they are small it is hard to tell them from Stonefly and Alderfly nymphs, which are...