I just freed my Molly from being stuck between the interior filter and the aquarium glass for unknown time (minutes to 12 hours):

enter image description here

The image shows that the fin is overstreched and after 30 min of being freed he doesn't still use it. He can direct his swimming when chasing females and stand "upright". The skin shows some irregularities, probably scales missing put out of place by the shrimp, but no open wounds.

What are recommended forms of treatment (I know there's probably not a "best" solution)?

The filter is a JBL CristalProfi i60 greenline and this story makes it questionable for the use in an aquarium with Mollies as main inhabitants.

  • 1
    Was there any resolution to this? I'd be interested in what happened here :)
    – Henders
    Aug 8, 2017 at 10:28
  • 2
    The fin healed after approx 2 days and seems fully functional now. The injury probably wasn't severe. Aug 8, 2017 at 10:53

2 Answers 2


My opinion would be similar to @trondhansen in the way that- there's not anything you can do to fix, BUT I'd say there are things you can do to help make your Molly either more comfortable or to prevent infection or to help with any scales that may have fallen off in process to regenerate. Adding a dose of fresh water aquarium salt helps with scale reproduction, and would be soothing to any tears. There are ways to clean it BUT your fish has gone thru something VERY stressful, so for that purpose I would stick with a antiseptic tank additive. One that I can think of off the top of my head is made by Seachem called "Stress Guard"... Added a pic of it. But yes, as previously stated, your fish may "heal" but not go back to normal.

Also, aquarium salt is my "go to" for a lot of freshwater fish issues, but it is an especially safe additive to use in Molly due to how salt tolerant they are and that they can be acclimated to brackish and saltwater (although I don't recommend doing this if you don't know what you're doing) I felt it was a good point to add. Good luck, she's pretty.

enter image description here


There is not a lot one can do when the fin is torn, other than keep an eye on it for any infection and start treatment if it gets infected.

I have a pleco that got a torn fin; it happened when I moved the fish to another tank about a half year ago. Within 2-3 weeks, the fin was completely healed (the fin was completely split in two, so I did not have any hope for it to end well).

I know this is a bad answer, but there are really no good options on how to treat this problem (at least that I know of).

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