Predatory Fish That can Eat guppy-sized fish?

[DarthTomato]

Hello,

I'm new to this forum, and curious as to which fish I could get. My house doesn't have too much space, but it's got enough for up to a 125 gallon tank. I'm open to any fish, as long as it can eat guppy-sized fish. I won't be feeding it only guppies, but lots of other live foods too to supplement its diet in a healthy way. I would prefer a predatory fish that requires less space, so if there were two choices, I'd choose the one which would take needs less room.

Thanks!

 

[The Lumpfish Guy]

Why are you looking for a fish which eats guppies?

 

[FishFinatic77]

Personally, I have heard that feeder fish contain almost no beneficial nutrients whatsoever. There is no reason to throw a live creature into a tank where it will only be chased down and eaten.

 

[Moony42]

however If you want a fish that fits in 125 gallon tank
go for a baby arowana our a middle aged arowana.you could also get a small redtail

 

[FishFinatic77]

I would not recommend an arowana. They grow to be 4ft long and will quickly outgrow your tank.

 

[Essjay]

Please do not get either of those fish. They need HUGE tanks, much much bigger than 125 gallons. Red tail catfish need a tank 12 x 8 x 4 feet which is almost 3,000 gallons and arowanas belong in a public aquarium as they grow to 4 feet long.

Feeding live fish to another fish is frowned upon. Dead fish should always be used wherever possible.