Bugs or worms in shrimp tank - The Planted Tank Forum
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post #1 of 20 (permalink) Old 10-15-2020, 05:03 PM Thread Starter
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Bugs or worms in shrimp tank

Hey guys,

So I was given a shrimp tank by a friend. He gave me 3 neocaridinas (blue angels or dreams, still getting to know names) and 2 caridinas shadow pandas. They have been doing well, molting, eating and all. A week later I found out the tank had a few dozens of small shrimps that my friend wasn't aware of (apparently from previous eggs) and they have also been growing.

This week I saw a bunch of little bugs or something...not sure how to call them. I have recorded 2 videos, sorry for the sound or shakiness.

http://imgur.com/a/1kvQGGO
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post #2 of 20 (permalink) Old 10-15-2020, 06:21 PM
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Copepods are likely the small swimming specks, and saw two flatworms as well, though not clearly enough to ID. Likely all harmless, but try to get a close look at the worms.
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Nothing good happens fast in an ecosystem.
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post #3 of 20 (permalink) Old 10-15-2020, 06:23 PM Thread Starter
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Originally Posted by Blue Ridge Reef View Post
Copepods are likely the small swimming specks, and saw two flatworms as well, though not clearly enough to ID. Likely all harmless, but try to get a close look at the worms.
I'll try to record you a better video. The copepods are eaten by baby shrimps?
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post #4 of 20 (permalink) Old 10-15-2020, 06:35 PM
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Not to my knowledge, but they're a sign of a good ecosystem. You pretty much always see them in shrimp-only tanks, fish are very good at making meals out of them though.

Nothing good happens fast in an ecosystem.
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post #5 of 20 (permalink) Old 10-15-2020, 07:10 PM Thread Starter
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Good to know! Here are a few pictures.

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post #6 of 20 (permalink) Old 10-15-2020, 07:41 PM
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Don't appear to be planaria, and from those photos don't even appear to be flatworms at all. Likely beneficial to neutral as long as their numbers don't go crazy (they shouldn't).

Nothing good happens fast in an ecosystem.
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post #7 of 20 (permalink) Old 10-15-2020, 08:13 PM Thread Starter
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Originally Posted by Blue Ridge Reef View Post
Don't appear to be planaria, and from those photos don't even appear to be flatworms at all. Likely beneficial to neutral as long as their numbers don't go crazy (they shouldn't).
So planarias have a triangular head? I'll be observing these to see if they grow to have that. So far, shrimps have come close and the worm just stops moving and shrinks until shrimps leave.
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post #8 of 20 (permalink) Old 10-15-2020, 08:24 PM
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If they swim in the water column like a snake, head going in one direction, body wriggling, detritus.

If they swim in the water column like they can't control where they are going, nematodes.


My vote is some form of detritus. Not planaria, nor rhabdocoelas.


And yes to the copepods! Saw one definite female! A lot of people think their males with two sacks.... those are egg sacks! Not the other kind! lol
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post #9 of 20 (permalink) Old 10-15-2020, 09:29 PM Thread Starter
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Originally Posted by Zoidburg View Post
If they swim in the water column like a snake, head going in one direction, body wriggling, detritus.

If they swim in the water column like they can't control where they are going, nematodes.


My vote is some form of detritus. Not planaria, nor rhabdocoelas.


And yes to the copepods! Saw one definite female! A lot of people think their males with two sacks.... those are egg sacks! Not the other kind! lol
They aren't swimming but moving on the glass. They definitely have a head which moves them in one direction. I can't tell the shape of the head so I was thinking about taking all of them out with a syringe.
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post #10 of 20 (permalink) Old 10-15-2020, 09:42 PM
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You'll never get them all without chemical control. If the head isn't triangular (doesn't appear to be) they aren't likely any sort of pest outside of being unsightly. They look too long to be planaria or rhabdocoelas, but there could be species I've not encountered.

Nothing good happens fast in an ecosystem.
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post #11 of 20 (permalink) Old 10-27-2020, 03:19 PM Thread Starter
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So I found a worm swimming around the tank. It is fairly visible and looks like it has a tail and head. Tail looks like it is divided. Took it out and took a picture.

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post #12 of 20 (permalink) Old 10-27-2020, 05:38 PM
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Quote:
Originally Posted by apaniagua View Post
So I found a worm swimming around the tank. It is fairly visible and looks like it has a tail and head. Tail looks like it is divided. Took it out and took a picture.

That looks like some sort of insect larvae or nymph don't know what kind of insect though. But to err with caution I'd remove anything you see that looks similar as many of those are predatory and will in fact eat your shrimp.
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post #13 of 20 (permalink) Old 10-27-2020, 07:15 PM Thread Starter
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Quote:
Originally Posted by apaniagua View Post
So I found a worm swimming around the tank. It is fairly visible and looks like it has a tail and head. Tail looks like it is divided. Took it out and took a picture.

That looks like some sort of insect larvae or nymph don't know what kind of insect though. But to err with caution I'd remove anything you see that looks similar as many of those are predatory and will in fact eat your shrimp.
Now that you mention it, it does look like a larvae or nymph. I removed that thing...I saw it and just thought "aw hell no!" Haha. But I'm paranoid. I see things and I wanna clean tank but my friend says all is good. One of my pandas mysteriously died and I couldn't identify why cuz the next day shrimps were feasting on it! So weird. My other 2 pandas are good, eating, swimming and moving around...so I don't know what happened.

Also I was able to zoom better and the previous worms look like this:
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post #14 of 20 (permalink) Old Yesterday, 01:30 AM
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In that second photo, the "worm" appears to have rows of legs along the length of its body !?!?!?!


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post #15 of 20 (permalink) Old Yesterday, 03:33 AM Thread Starter
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In that second photo, the "worm" appears to have rows of legs along the length of its body !?!?!?! <a href="https://www.plantedtank.net/forums/images/PlantedTank_net_2015/smilies/tango_face_surprise.png" border="0" alt="" title="EEK! Surprise!" >:-)</a>
It does look like it. Is that bad?
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