HH Morant Posted March 28, 2022 Share Posted March 28, 2022 My plecos had a real battle today. They fought for several minutes before I started the video and for 5 minutes or so after I stopped filming. I broke up the fight by feeding. I never noticed before how they fight. They seem to be trying to attack each other with the spines just in front of their gills. You can see the spines are puffed out while they fight. As far as I can tell nobody really got hurt. 1 2 Link to comment Share on other sites More sharing options...
Guppysnail Posted March 28, 2022 Share Posted March 28, 2022 Thank you for sharing this. I wondered what a real fight looked like. I take mine to the LFS before they hit maturity. I’ve seen the young ones pre-sexual maturity and guessed it was mock/learning fighting. One will scoot and bump the other the entire way across the front glass. I’m glad no one was injured. Link to comment Share on other sites More sharing options...
anewbie Posted March 28, 2022 Share Posted March 28, 2022 I've had this happen before with pleco and other fishes - they can get aggressive around food. I suspect they are under-fed. Do you feed them any large veggies like zuc ? Link to comment Share on other sites More sharing options...
Beardedbillygoat1975 Posted March 28, 2022 Share Posted March 28, 2022 Those are their odontoids on the gill plates, spiky hairs like quills. Some other species have them on their fins and on the back half of the body. Link to comment Share on other sites More sharing options...
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