jlcrow

Thank you all for the identification!

I have little white things hoping around on the bottom of one of my tanks. I think they might be water fleas, but I am unsure as they seem to be a lot bigger than the examples I have seen in pictures. Plus they are almost always on the bottom of the tank, not swimming around. I attach a screen capture from a video I took of them. I underline them because they kind of look like small pebbles. I also have a 20 second video, hosted on YouTube, that shows their behavior. I should also note that I have guppy fry and juvenile mollies in the tank and they are not eating these critters. I would appreciate someone confirming these are water fleas, or if not, please help identifying them. Thank you for your time and assistance! John

Thank you. I'll give it a try.

I was doing maintenance on my 75 gallon established low tech planted tank today and noticed growths on two of my female mollies. One is on the top of her head and one on the side behind her fin. The tank has about 10 mollies, 10 ember tetras, 8 harlequin rasboras, 8 or 9 salt-n-pepper corys, and 3 golden algae eaters. All the fish are active and get along without issue. As far as I can tell I cannot see any growths on the other fish. I read in other forums that this could be a parasite, cyst or something else. Since it is two fish with the growths, does that lean towards parasites? I have a quarantine tank I could move them to, but I am waiting for everyone's thoughts. I have the meds to treat them if necessary. I have Fritz ParaCleanse, Fritz Maracyn, and Ich-X. I have never treated any fish with these. I am unsure if I should treat the whole 75 gallon tank as all the fish may have been exposed, or should I move just the fish with growths to the quarantine tank? I have only been in this hobby for about a year. Thoughts and suggestions are very welcome. Thanks, John pH - 8.0 Nitrates - 30 General Hardness - 11* Nitrite - 0 Ammonia - 0 KH/Buffer - 10* Water Temperature - 81F (I'm in North Florida, we have very hard water here.)

Thanks everyone for the responses!

Thank you for moving the post. Also, just in case this information helps, I purchased some other spiderwood at the same time, smaller pieces and these are soaking in a bucket. The bucket water has a film on the top which is like the stuff attached to the tank glass. Is this kind of film in the water common from new wood in a tank?

Thanks for the comments. I don't think it is the same thing as the white bacteria that forms on wood shortly after it is submerged. That bacteria is beginning to form, as shown below. Yet it is quite different from the stuff that is on the tank glass. The Corys and Nerite snails have been eating the bacteria on the wood but are ignoring the stuff on the tank glass. If we assume it is not the bacteria that forms on the wood, what else could it be? Should I move/repost this in the general forum? Thanks! John

Hello, I am new to planted tanks and have been slowly getting a 75 gallon setup. Yesterday, I finally purchased my first fish to go into the tank - 10 peppered corydoras. While at the store, I saw they had inexpensive spiderwood so I purchased two large pieces. Last night I put the fish and the wood in the tank. This morning, I awoke to find the class covered with something on all fours sides. It is not worms and I don't think it is algae. It is translucent and when viewed closely, it looks a little like the top of a tiny, tiny jellyfish. The source is one of the two things I added to the tank. Any idea of what this stuff is and what I should do about it. I could just wipe it off, but will it come back? The corys seems fine. They are energetic and acting as one would expect. Could it have come from the wood? As the wood was just submerged, the white bacteria has not formed on it yet. I am simply at a loss of what this is. I welcome suggestions. Thanks, John