What is this creature ? Name this worm.

Rouvax

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Hello Guys,

I am new in this forum, just for this thread I registered. I normally do not share anything but i read lots of things, this is a very informative site.

I am trying to name this creature from my planted tank. I saw it first 10 days ago but i think it is living more than that. I did not use anything from nature for this tank ( this is my only tank) . And it's age is about 9 months. In the base layer, I use JBL manado dark and AF Natural Substrate which should be baked before packing. So I didn't use dirt.
All the plants came from LFS and the youngest one is about 4-5 months old. I have cherry shrimps, pygmy cory'ies and Otocats nothing else. Can you name it? In a Turkish forum they said it is earth worm but i don't think so. What do you think ?



 

Rouvax

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How long do you think it can live in the water? Because this is living in this aquarium more than ten days, may be more because i did not add anything to this for a while.
 

Nick72

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dw1305

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Hi all,
I can't tell from the video. It is either an annelid worm as (@Nick72 suggests). Some species are aquatic, (like <"Lumbriculus">) including some <"very "earthwormy" looking ones">.

The other option is a Leech, they move by contracting from a sucker (one at either end) and then stretching and looping to re-attach their body. They will go "fat and then thin", rather than always remaining worm shape.


cheers Darrel
 

dw1305

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Hi all,
What about this one ?
It looks bigger than Lumbriculus, and they don't move in that way. Click in the <"links"> in the thread messages and they will take you to relevant posts.
If it moves like a leech, swims like a leech, and looks like a leech, then it is a leech😮😮
Leech is my guess as well, but I can't see enough from the video to definitely exclude an annelid worm.

cheers Darrel
 

dw1305

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Hi all,
I'll be quite honest, I'm not familiar with any of them other than Lumbriculus variegatus. Because very few of them have links on the Wikipedia page I assume they aren't organisms that you encounter very often, and my guess would be that they are mainly fairly similar in appearance to <"Lumbriculus">.

I've seen a fair few aquatic <"earthworms">, like <"Eiseniella tetraedra">.

cheers Darrel
 

dw1305

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Hi all,
First picture looks really same.
Good, if the worm stays "worm shaped" I wouldn't worry about it at all. If it contracts and expands is is a leech and I'd try to remove it. It won't be a fish leech, so even then it isn't a real problem. Chemical control probably isn't a good idea, have a look at <"Leech"> .

cheers Darrel
 

Rouvax

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I checked the latest link you send, the color and the shape looks very familiar. May be this one is the answer. And I saw a second smaller one :( . What am I going to do :mad:
 

dw1305

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