Tyler Posted January 29, 2021 Share Posted January 29, 2021 (edited) So my otocinclus have the weird tube like things near their anus, right in the middle of the fish where the tips of the ventral fins would meet if you drew a lime straight across. I'm pretty sure it's right next to where the excretions come out. Is this part of the otocinclus anatomy or is it a parasite? Also is API general cure safe for eggs in the tank and couple day old fry? Also will general cure kill the other micro organisms that my fry use as food? Fry are of another fish Edited January 29, 2021 by Tyler Link to comment Share on other sites More sharing options...
Colu Posted January 29, 2021 Share Posted January 29, 2021 That is a fish lice I would treat with prazipro or you can remove with teezer 1 Link to comment Share on other sites More sharing options...
Tyler Posted January 29, 2021 Author Share Posted January 29, 2021 12 minutes ago, Colu said: That is a fish lice I would treat with prazipro or you can remove with teezer It looks like its on the inside of the fish. Also is prazipro safe for other micro organisms in the tank and fry that's only a few days? I have API general cure right now. Would that do the same? Link to comment Share on other sites More sharing options...
Colu Posted January 30, 2021 Share Posted January 30, 2021 (edited) Am not sure about new born fry you could use general cure but it might take two courses of treatment to kil it Edited January 30, 2021 by Colu 1 Link to comment Share on other sites More sharing options...
Tyler Posted January 30, 2021 Author Share Posted January 30, 2021 9 hours ago, Colu said: Am not sure about new born fry you could use general cure but it might take two courses of treatment to kil it I'm not so certain it is indeed a fish lice based off the photos I looked at 1 Link to comment Share on other sites More sharing options...
MAC Posted January 30, 2021 Share Posted January 30, 2021 (edited) I've been trying to get a look at the underside of my otos to reference the area but they aren't cooperating. I did see a similar question posted in another site http://www.wetwebmedia.com/FWSubWebIndex/otodisf.htm that might be about the same thing. if it is something parasitic general cure is what I would try to treat with. I have not heard of GC being unsafe for anything else in the tank and have never noticed any I'll effects from it's use. Edited January 30, 2021 by MAC 1 Link to comment Share on other sites More sharing options...
Tyler Posted January 30, 2021 Author Share Posted January 30, 2021 1 minute ago, MAC said: I've been trying to get a look at the underside of my otos to reference the area but they aren't cooperating. I did see a similar question posted in another site http://www.wetwebmedia.com/FWSubWebIndex/otodisf.htm that might be about the same thing. if it is something parasitic general cure would be what I would try to treat with. I have not heard of GC being unsafe for anything else in the tank and have never noticed any I'll effects from it's use. I did read through that page they didn't really get a good definitive answer kinda just speculation and said medicate anyway. I appreciate the info on general cure as well as my fry will definitely not survive without all the micro organisms throughout the tank. Link to comment Share on other sites More sharing options...
MAC Posted January 30, 2021 Share Posted January 30, 2021 So I fell down a rabbit hole here with you question. After some shotgun research I think you're looking a a male otos reproductive system. Male otocinclus catfish have genital papilla with rows of modified denticles (also known as odontoids). All these organs can be seen at the bottom side of otocinclus catfish tail system. This is the location where the body becomes a tail that is specifically twisted.https://www.aquariumnexus.com/otocinclus-catfish-breeding/ I then searched "genital papilla fish" images and I think it looks similar. At least closer to what your picture shows vs pictures I've seen of parasites. Maybe that helps? Hope so, my google search history is looking quite odd right now, haha Link to comment Share on other sites More sharing options...
Tyler Posted January 30, 2021 Author Share Posted January 30, 2021 Hahaha I can only imagine 🤣 your spouse will think your now into fish porn lmao all jokes aside though that's a great article I do wish they added a photo of the organ next to the paragraph to help the dimwits but I'm going to search and see if I can find something that has a photo for direct reference. I'll use your search term so I know we're looking at the same thing. 8 minutes ago, MAC said: So I fell down a rabbit hole here with you question. After some shotgun research I think you're looking a a male otos reproductive system. Male otocinclus catfish have genital papilla with rows of modified denticles (also known as odontoids). All these organs can be seen at the bottom side of otocinclus catfish tail system. This is the location where the body becomes a tail that is specifically twisted.https://www.aquariumnexus.com/otocinclus-catfish-breeding/ I then searched "genital papilla fish" images and I think it looks similar. At least closer to what your picture shows vs pictures I've seen of parasites. Maybe that helps? Hope so, my google search history is looking quite odd right now, haha Link to comment Share on other sites More sharing options...
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