stephk Posted December 18, 2020 Share Posted December 18, 2020 Hi All, Newbie here.... I set up a new 9 gallon tank and put my male Betta in, next day I got six ember tetras. Well Betta is attacking and killing tetras one by one : ( I thought they were good and/or acceptable tank mate for him. Anyone else have this problem? The Embers were juveniles and quite small, not sure if that had anything to do with it. Maybe rasboras will do better or maybe he is just a very aggressive Betta and I should just let him have the tank to himself? Thanks! 1 Link to comment Share on other sites More sharing options...
Schwack Posted December 18, 2020 Share Posted December 18, 2020 I think the common refrain is that a betta's ability to put up with tankmates varies fish to fish. I have one betta who is fine in a large community tank (he's also blind, so that probably helps) and one who barely tolerates the few mystery snails who share his tank. I've heard that some people have luck letting the other fish establish themselves in the tank before adding the betta, but some just don't tolerate other fish. Could try adding a few ghost shrimp to see if he'll put up with invertebrates. Link to comment Share on other sites More sharing options...
Alison Posted December 18, 2020 Share Posted December 18, 2020 It sounds like you just have a bully that won't share his space with others. Maybe try something like cory cats that stay more bottom middle? Maybe if it's something he might not view as food or competition for food he will tolerate them. Link to comment Share on other sites More sharing options...
lefty o Posted December 18, 2020 Share Posted December 18, 2020 some bettas are okay with other fish, but it sure seems that they are the old curmudgeon of the fish tank world. 1 Link to comment Share on other sites More sharing options...
Alison Posted December 18, 2020 Share Posted December 18, 2020 9 minutes ago, lefty o said: some bettas are okay with other fish, but it sure seems that they are the old curmudgeon of the fish tank world. True that. I have a tank that has what normally are pretty peaceful fish but one of mine is a secret bully. I know it's one of the males that goes crazy when the females are carrying eggs, but I can't pinpoint which one. I guess that one is just going to be a species tank instead of a small community. Link to comment Share on other sites More sharing options...
FrozenFins Posted December 19, 2020 Share Posted December 19, 2020 not every betta can be housed with tank mates, it depends on their tempermant. If your betta has a nice temperment, ember tetras can be a great fit for tank mates. Link to comment Share on other sites More sharing options...
Sharon- fishandfloral Posted December 19, 2020 Share Posted December 19, 2020 I have some otos with mine and he leaves them alone. He does eat a few ramshorn snails but I’m fine with that. Link to comment Share on other sites More sharing options...
stephk Posted December 19, 2020 Author Share Posted December 19, 2020 Thank you everyone! I think I'll try either some otos or some corys. Link to comment Share on other sites More sharing options...
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