I feel awful I hadn’t noticed this sooner, but it happened fast too, I’ve only had these guys for a week. I have photos of the nipped fish, but it’s real bad and sad tbh.

I have 6 guppies of different colors, all male. I guess they’re more aggressive than I thought they’d be. But I hadn’t noticed any major issues, but last night I saw this poor guy got his tail nipped off real badly.

No one else seems to be suffering the same. One of them has a nipped tail, but he came from the store with that, and it hasn’t gotten worse, yet.

The trouble I’m having is I’m not 100% who done it. I suspect the largest guppy, a green cobra, did it. He seems to be the most aggressive, and I did see him and this one get into a small fight the first day.

Video of the suspect.



Posted by OneLuckyAlbatross

3 Comments

  1. OneLuckyAlbatross on

    I’m also not 100% sure it is the green cobra, he’s just giving those vibes. But there are smaller faster guppies in the tank that aren’t above suspicion

  2. No-Artichoke876 on

    Too many straight dudes, not enough sex. Back when I used to go down to the fish farm in Miami I’d see the male guppies fight in all-male tanks that were easily 100+ gallons. The issue is simply that they gotta “relieve” some stress.

    The issue is that all-male guppies, and a lot of other fish species for that matter, are gonna eventually decide on who is the punching bag; some poor male is always gonna be the one at the bottom in my experience.

    I’ve never been able to keep all male guppies for this reason, some people have had better luck.

  3. Exciting-Speaker-675 on

    Im assuming you dont have females because you dont want to deal with the babies? One way to deal with this is that have fish that love to eat guppy fry. Zebra danios may be an option, they zip around and their diet is mostly meat, but I have concerns the danios would fin nip.

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