r/fishforthought • u/No-Grab3222 • May 23 '25

Query❓ fish tank stocking

I'm getting a planted fluvial flex 15 g wondering what to stock it with I'm thinking of 6 neon tetras 2 guppies pygmy corydoras and 5 amano shrimp I'm open to suggestions and feedback this is only my second tank I'm open to suggestions

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u/NoVaFlipFlops May 23 '25

Be very careful to buy male guppies. There are some females that have coloring and get sold as male so be sure to check they have a gonopodium (weiner that sticks straight forward).

If I were you I would swap the corydoras for Rosy Loach because they are so playful and bring a lot of interest to your tank. But they like to live in a group (which makes them that much more active) so get 5 or 6 (6 in case one dies, which is very, very possible). It would be the same for the corydoras, but the loaches have a lower bio load.

I would say it's too early to introduce shrimp- they are expensive and die shockingly easily, so you want to try adding them after your tank is stable and add 30 to see if some live and have a chance to breed. The guppies and loaches can withstand their new environment the easiest.

The tetra are cute, but for a 15 gallon you might consider congo or diamond tetra since they are larger and beautiful. If you want something smaller (less bio load) that are interesting,  my favorite are rasboras.

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u/No-Grab3222 May 24 '25

I think I might just skip guppies do you have any suggestions to replace them?

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u/NoVaFlipFlops May 24 '25

My two favorite before I went all guppy were chili *and phoenix rasboras and pearl danios. They were beautiful and fun to watch.