Predators for a 40 gallon tank

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Benthebassmaster

Jack Dempsey
MFK Member
Feb 17, 2021
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I am getting a 40 gallon tank and I never had a predator tank so i want to try it. I do have a Endler breeding tank so if I have to I could use them but I would not do that unless it is needed. What could be fish that I could put in it
 
Dwarf pike cichlids, pike livebearers, African butterfly fish, African brown knife, green spotted puffer, or Amazon leaf fish.
 
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Anything that eats another animal, insect, larvae, etc is a predator.
A neon tetra is predator, in fact most tetras are predators.
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Guppies, and your Endlers are predators, they eat mosquito larvae and other insects.
All Bettas are predators
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Betta albimarginatta above, like a mini snakehead, but would actually be appropriat for your size tank.
To me, anything that gets larger than 4" is too big for 40 gal tank.
 
I am getting a 40 gallon tank and I never had a predator tank so i want to try it. I do have a Endler breeding tank so if I have to I could use them but I would not do that unless it is needed. What could be fish that I could put in it
Red wolffish has my vote. A 40b is perfect for them and they’re absolute predators
 
There's many freshwater puffers to fit the bill. I once kept a Congo puffer in a 40 gallon Breeder I couldn't get it to eat anything dead it only wanted live prey.
 
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