Strange Larva?

agulliver · Mar 31, 2009

I spotted this creature in my hospital tank today. Not strictly an emergency as there are no fish in this tank but I can't make attachments in the general tropical forum.

Is this a larva of some sort, or just some crustacean? Anybody recognise it? And most important, is it any harm now or after it is fully developed?

Thanks in advance.

WILDER · Mar 31, 2009

Does it have wings. (Dragon Fly)

I would get it out of the tank. Might get more people answering your post over in tropical discussion. Just copy and paste the thread over there.

nosoup4you · Mar 31, 2009

That is a damselfly nymph. They will catch and eat small fish.

R0ADK1ll88 · Mar 31, 2009

Here's you answer

XXXXX (Link Removed)

EDIT: Sorry I recognize this from a previous post and thought this was it. I jumped the gun. I have seen these guy somewhere on the forum before though.

WILDER · Mar 31, 2009

Fish lice parasite will be disc shaped with legs it isn't fish lice.

damselfly nymph Been know to be in tanks, but forgotten what they look like.
I think it might be what nosoup4you has said.

Here another thread.
http

/www.fishforums.net/index.php?showto...damselfly+nymph

agulliver · Mar 31, 2009

My first thought was "dragonfly" but it has no wings and does not really look like a dragonfly larva.

I'm not too concerned as this is the hospital tank and there are no fish in there at the moment...I'm just keeping the hospital tank going in case more of the mollies I previously had problems with get sick...more curious really.

nosoup4you · Mar 31, 2009

It's a damselfly larva, have a look here.

WILDER · Mar 31, 2009

It's giving me the shudders.
Thats why I don't have live plants lol. Hows it got into the tank.
Through gaps on the tank lid or plants.

R0ADK1ll88 · Mar 31, 2009

nosoup4you said:
It's a damselfly larva, have a look:

[URL="http/tinyurl.com/cpbwa4"]http/tinyurl.com/cpbwa4[/URL]

I did a quick search on google images and it looks like it is a damselfly. Sorry for the post earlier.

agulliver · Mar 31, 2009

nosoup4you said:
It's a damselfly larva, have a look here.

Thanks!!

I found this from your search

http

/www.bumblebee.org/invertebrates/Odonata.htm

So the mystery is solved, best guess is that the weed in the tank had damselfly eggs.

WILDER · Mar 31, 2009

Its ok.
Seen fish lice on fish and it looks nothing like that. Trying to find pics of fish lice.

nosoup4you · Mar 31, 2009

Here is a video of the damage that they can do to small fry.

Wilder, you may not want to watch this. lol

Wilder said:
Its ok.
Seen fish lice on fish and it looks nothing like that. Trying to find pics of fish lice.

Do an image search for Argulus.

WILDER · Mar 31, 2009

Give it a miss nosoup4 you lol.
I thought you meant the insect in the pics. Is there lavae aswell.
Here a link to fish lice.
http

/koishack.com/forums/index.php?showtopic=2004

agulliver · Mar 31, 2009

Thanks for the video....I think!

Yep that's definately what I've got. I'll leave it for now as there are no fish in the hospital tank and even the smallest at the moment dwarfs the larva...but I'll keep an eye on it for sure.

Thanks everyone. If I get time I'll see if I can pop it under a microcsope and get better photos....the tanks are in the science department of the school I work in.

WILDER · Mar 31, 2009

Glad you found out what is was.

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