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So at the local fish store i work at one of our catfish that was labled 4 line catfish got is pectoral fin got stuck in the net, not to hurt/ stress the fish out alot we sacraficed the net and but it. he swims fin, but we want to get the net pull of. It part thats stuck on him is like the size of a dime... any suggestions

try using larger mesh on the nets. or cupping, using a large plastic cup to cup the cory(really only works on small catfish) so that the fish is always in water, thus providing a little less stress, and avoids the fins from getting damaged.

or u can use those handy betta nets, made like cupping, but in net fashion. these are really good b/c they keep the fish in water. and again it doesn't get stuck on the fishes fins.

i am just guess that these are small cories ur dealing with, so if it isn't just regard the cupping idea.

i've found that any catfish that has ever got itself caught in a net will also quickly release itself when you put it in the new tank/bag/whatever. so next time, see if you can just give it a minute to extricate itself before having to sacrifice the net.

Not all catfish are able to easily get themselves out of a net. Although quite different, my Royal Plec spent a good amount of time loosening himself from the net; the net was destroyed in the process. On the other hand, not only does it have fin spines, it has odontodes all over their body that got caught in the net, so it's a bit of a different story...

In any case, it may be possible to catch the fish and take it out of water. Then, putting it on something moist and keeping it still, it might be possible to take the piece off. There's no way the fish is going to stay still long enough under water, and even out of water I'd have my doubts. Of course, catching it to do this operation would be kind of a problem...

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The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian.