Is my tank ok?

well first I'm going to ask what species of betta you have in that tank. Betta splendens males unless raised together don't cohabit well.

The overall numbers of species means that the khulies, corys and tetras either don't have the group that makes them more at ease, or the numbers of other species mean that the others of the same species get lost in the crowd.

I don't see anything blatantly wrong unless those bettas are splendens, but it could be improved.

Betta-Gurl said:

I currently have a 25G with
3 Columbia tetras
4 Neons
4 glo-lights
3 whiteskirts
4 male bettas
1 otto
1 cory
1 kuhli
and ramshorn snails
i have an Aqua Clear 150 power filter

Is my tank ok?

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Well. Just a suggestion, and i know you have gotten this before, as i have seen you post threads like this before. (if my memory serves me correctly. if not, i stand corrected.. whatever.)
okm suggestion: cories and kuhlis do like to be in schools. i dont have much experiance with cories, but, i do with kuhlis. They do best in schools of 5 or more. Kuhlis will be much more outgoing and adventurous if they know there are others near them. I dont know what the footprint of your 25 is, but, if its more of a long tank than a tall tank, you might be able to get away with getting a school of kuhlis and cories.
as SnakeIce said, i think you have maybe too many species of tetras. :huh: just a couple notes!

Just curious, What is wrong with "too many" species of tetras? Is it just because they are not really in large enough schools?

Holly9937 said:

Just curious, What is wrong with "too many" species of tetras? Is it just because they are not really in large enough schools?

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It comes down to behavior. Similar size and shape species like the glowlights and neons have the least effect on each other as they can be seen schooling intermingled. But those that are not that similar throw off the schooling and social behaviors between a particular species.

I personally like to think about schooling fish as a mass instead of the individual fish. If 6-10 individual fish at 2" each form a school that is 6-8" long I look at the space that group needs to move in. So instead putting them in a tank that is 6 times the length of one fish I would consider a tank that is 6 times the length of the group. The empty space in the tank is as important as the space they take up for the natural behaviors to be seen.

In the end it is the question of deciding between collecting fish or careing for pets. A Noah's ark type collection is interesting to see, but you miss what makes each of those species unique besides looks. I am content to restrict my collecting to photos and books of all the fish I like to see.

Betta-Gurl said:

so you think maybe another cory or 2? and maybe another kuhli?

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I would. actually a couple of kuhlis. this is if you can get to them, as i had a very hard time for a year or so.
the MORE the MERRIER!
ok, time to go...

Holly9937 said:

Just curious, What is wrong with "too many" species of tetras? Is it just because they are not really in large enough schools?

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Depending on the dimensions, they might try to just stick with themselves. i tried to get a bunch of different ones, hoping they would school, and no luck.

I just wondered b/c I have 5 serpae and 4 blackskirts, plan to make the schools bigger when I get a larger tank, but I don't want to add anymore until them. I took it as lets say 5 schools of different tetras (5-10 each) would be bad

1 otto <--\
1 cory <------ ARE ALL SCHOOLING FISH... They'll want 3 or more of each other.
1 kuhli <--/