is this stock ok for a 40g community tank?

sorry but that would be overstocking your tank.

did you do a research about these fish before you decided on them? if not then you should. here is why i'm telling you that's too many fish and the wrong ones too in your tank.

-3 Pearl Gurami(up to 5" each)=15"

-2 Red-eye Tetra(up to 2" each)=4" -also these need to be in schools of 5+

-4 Zebra Danio (up to 2" each)=8" -these need to be in schools of 6+ but i would think 4 is fine.

-3 Yoyo Loach (up to 6" each)=18"

-4 Dwarf Gourami (up to 3" each)=12"

-2 Silver Dollars (up to 6" each)=12"

add it all up and you get 69" of fish.

so.....before buying all these fish you need to do more research and know a bit more about every single one of them. you are probably going to have to get rid of some of these fish if you don't wanna have any problems with your tank once it is stablished.

what i think you should do is get rid of the red-eye tetra and zebra danios. you'll still be overstocked but the Yoyo Loaches are bottom dwellers so that will make a difference with the space the other fish will have to swim in the tank. and even if you take out the tetras and the danios you should still do 2 water changes a week once your cycle is done.

hope this info helps!

Any rule that relys solely on fish length is garbage.

If I were you, cut out the danios and the silver dollars. Tetras must be in shoals of 6 or more, have 6-7 tetras instead but NOT red eyes, they'll nip your gouramis fins off.

I would choose dwarf OR pearl gouramis, males of either species could fight.

More research needs to be done.

Http://www.theaquariumwiki.com

Http://www.fishprofiles.com

Http://www.seriouslyfish.com

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yup thats enough space for those fish.my rule for fish is 2inches of fish for every 2 gallons of water