How many goldfish in my new Fluval Spec III?

True, but slim bodied, and relatively low waste fish, so, I wouldn't be necessarily averse to the idea of 4 with the endler. I'd rather go for 6 without the endler, though. Definitely need to keep up on water changes and such, though.
 
I would say no to the phoenix rasbora possibility, because the spot on those seems to be more of a flattened circle or kind of a spindle shape than a fairly round circle, as in the strawberry. That said, it goes back to what I said earlier about the different species looking so similar and being hard to differentiate.
 
As some of you may know, I have 2 cory cats, 2 black widow tetras, and 5 Japanese trapdoor snails (4 are pretty small, 1 is bigger than a golf ball) in a Fluval Spec V (5 gallon). Do 40% water changes every 5 days. I am thinking about just moving some of them into the Fluval Spec III with the Endler and not adding any other fish. Should I move some of the fish and or snails to the Spec III or are they going to all be stunted. The Fluval Spec V has black Petco sand as substrate. It also has an Anubias plant, Amazing Amazon Frogbit, and a piece of driftwood. The Fluval Spec III has smooth river rock gravel for a substrate and an Anubias plant and a Hygrophilia Corymbosa Stricta plant.
 
Insufficient space. The black phantoms are larger, and relatively active, and the cories are active.
 
Perhaps there is insufficient space. Maybe I just need to get a dwarf puffer and put it in the Fluval Spec V. That would solve quite a few problems.
 
I have the single Endler in the Fluval Spec III. I am thinking about adding Norman's Lampeye, dwarf rasbora, Rili shrimp, or marmorkrebs. Any thoughts?
 
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