Hi, you have six goldies in your edge and you wouldnt recommend 1? are your goldies still alive and if so how do you manage?Short answer - no.
I have an Edge and I have goldfish (6 of them) and the Edge won't even be suitable for one i'm afraid. It's just too small even though they show goldfish on their advertising (which I have told them off about).
Recommended stocking for fancy goldies is such - 1 fish 20 gallons and every subsequent fish a further 10 gallons each in a heavily filtered tank. The reason for this is they are poop monsters. My goldeis produce so much poop it's alarming...
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I'd not have a betta in there as the surface area is too small (imho) although I know people have kept them in them, but small slim bodied tropicals would be good (my tank didn't come with a heater btw) like platy, smaller tetras (when the tank is mature 5 months), rasboras like harlequins, or you could stick with some cool water minnows if you don't want a heater in the tank. It's still only 20 litres at the end of the day so you don't want anything too big, but the filter intake is also quite strong so I would suggest (maybe) that chili rasboras may get sucked into the filter housing if you don't cover it with net or similar?
every time Jenny shows that picture, i cant help buy laugh, look a the little guys face bottom left![]()
Here are some potential tenants:
One of these
-5 male Endlers livebearer
-6 Microrasboras*
-6 Emerald eye / green neon tetras
-3-5 Male Guppies
-3 Bumblebee gobies**
-1 Dwarf puffer**
-A trio of Dario dario (Scarlet Badis)**
-3 African Dwarf Frogs (possibly?)
And / or one of these (except with ** fish)
-4-6 Dwarf shrimp eg. Cherry Shrimp, CRS, CBS, Pearl Blue Shrimp, Emerald Green Shrimp, Amano Shrimp
-3 Ghost Shrimp
-2 Zebra / Nerite Snails
-1 Ramshorn Snail
* This genera includes a zillion little rasboras that are all under about 1.5". Very cool fish and perfect for small setups. Just a few from this family are: Celestial Pearl Danios / Galaxy Rasboras, Boraras briggitae, B. merah, exclaimation point danios... the list goes on! DOn't forget: keep no less than 6 of the same species.
** For more experienced fish keepers. They are rather messy and will not accept dry food.
Hope that helped! Obviously you will have to fiddle around with the actual numbers if you want to get reasonable bioload but all species should be happy in an Edge.