yeah I hate those spined cats. always getting themselves stuck in the nets. Just keep working it till it comes off. If it went in it has to be able to come back out. Maybe cut the net. (thats why I don't get them or Ralph cats anymore.)
same thing happened to mine. he lives in my 15 gal goldfish tank. he runs the tank. he started to lose color then acted very wired and did not hide any more. he always hides. well anyway he lived and is more activity than ever before. all i can say when you catch them make sure you use a plastic cup with small holes in it to let the water run through it. I had to cut my net to peaces to let him out
I recently picked up one of these little doodads. nowhere for the spines to get caught. And it is clear so it dosen't scare the fish and makes them easier to catch. Maybe this would work well for the spined cats.
I know it looks like a crack pipe. but no its acrylic. lol.