alexdallimore
Fish Fanatic
- Joined
- Sep 5, 2006
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- 102
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They do become aggressive. as they get bigger they go off algea and prefere to eat the slime coat off your other fish. They have been known to eat the eyes too. I just took 3 back to my LFS that came with my second hand tank. They weren't suprised that I didn't want them. I asked who generally keeps them and they said "only people who want to keep them because they are interested in that particular". They said the other type of tank is a cichlid tank where the cichlids are aggressive enough to defend themselves and stop it attacking. Not sure if thats true but thats what i was told