Im new to fish keeping and was hoping to get a predatory fish.

  • We are currently upgrading MFK. thanks! -neo
I got a 75g, i have 3 ctenolucius hujeta and 1 pinktail chalceus in there, it used to house my 10 bleeding heart tetra's aswell.

Now those fish are not fully grown yet so we'll see how it holds up but so far so good.
the main thing im concerned about is costs tbh how much would all the feed anf fish cost
 
the main thing im concerned about is costs tbh how much would all the feed anf fish cost
Depends on the fish you got, i started out with a way smaller tank full of guppys, so i got my own live feeders, frozen food is like 4 bucks for a pack i think that i can use for about a month.

I also buy frozen plaques of shrimp (less than 10 bucks) wich lasts me a couple months i think, im still on the first plaque not even halfway and its been over a month since i got it.

You can also have an extra tank to breed shrimp yourself.

It depends on how much time youre willing to spend creating and finding good food sources.

Some people got to markets and ask for leftover pieces of fish, filet/cut those up and use that as food.

Imo food is not an issue and im poor believe it or not, i live in Europe and got about 1300/1500 each month wich buys me rent food heat water etc.

U could also ask on marketplace if people got free guppys or other small fish to feed but you must quarantaine those first. I got really lucky once with one person telling me a few days after i got the guppys that their other guppys had worms, luckily mine didnt get affected because it was introduced after they got tool out of there but you dont want to take those unnecessary risks
 
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The others have already given you plenty of good advice, but here's a couple extra points that you might consider:

1. You'll want some heavy-duty filtration for predatory fish, so be sure to include this in your budget. Sponge filters and HOBs are reasonably cheap, but canisters can get expensive.
2. Be reminded that your tank will sit empty for at least a month before you can put fish in it, to establish the bacterial colonies facilitating the nitrate cycle. Don't be hasty, you will plenty of time to read up about various species and pick one that will suit you regarding appearance, required care, hardiness, predatory behavior etc.
3. If the fish you want is compatible with it, get some plants for your tank. They look better, and they're generally easier to maintain because the plants will metabolize nitrogen compounds (i.e. fish poop). Aggressive, fast-growing plants such as duckweed, guppy grass and pothos are especially useful, since fast growth means they will be "hungry" for nitrogen and deplete it quicker. Simply remove excess growth every other week and you'll be good to go.
4. Once established, tanks are relatively cheap to maintain. As mentioned, food for predators can be supplied from the supermarket, and even top-of-the-line fish food is not especially expensive. Water must be treated with a dechlorinator (at least if your tap water has chloramine instead of chlorine), but that is also relatively easy to budget. Most of your spending will be towards that initial purchase of the tank and its accessories (tank, stand, heater, filter, air pump, test kits, hoses and buckets etc.)
5. Check your tap water's parameters, especially its pH and hardness. You can probably find this online. It will inform what kind of fish will perform best in your tank, and let you narrow your picks.
6. Speaking of your picks, consider what you want from your tank. Do you want a unique, interesting-looking fish to act as a conversation starter? A pet that will follow you around and engage with you whenever you're in the room? An active predator that will jump out of the tank to take food from your hands? A relaxing, low-maintenance setup that will help you wind down after work or school? A breeding pair of fish to sell the fry and make some money on the side? If you have a better idea which direction you want to go, you can choose your fish with that goal in mind.
7. Understock your tank, at least at the start. Fish, even rare fish, are surprisingly cheap compared to the tanks required to house them. It's very easy to get excited over every new fish you see, and end up with a kitchen sink tank that is more fish than water and houses a dozen incompatible fish trying to kill each other.

Given what you've said so far, I think it would be ideal to start with a red wolf fish (as has been suggested), solitary piranha, mid-sized puffer, hujeta gar, single JD cichlid, or other solo-species project. This would be easy to maintain and serve as a good introduction to the hobby.
 
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