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Beginner's Setup
Not my list for hard water fish but looks accurate to me. I personally use Seriously fish as i believe it's the best. Just my opinion though.

Platy Xiphophorus maculatus
Celebes Rainbowfish Marosatheria ladigesi
McCulloch's rainbowfish Melanotaenia maccullochi
Threadfin rainbowfish Iriatherina werneri
Neon dwarf rainbowfish Melanotaenia praecox
New Guinea rainbowfish Melanotaenia affinis
Lake Kutubu rainbowfish Melanotaenia lacutris
Boesmani rainbowfish Melanotaenia boesemani
Australian rainbowfish Melanotaenia fluviatilis
Forktail blue-eye Pseudomugil furcatus
Neon blue-eye Pseudomugil cyanodorsalis
Popondetta blue-eye Pseudomugil connieae
X-ray tetra Pristella maxillaris
Congo tetra Phenamogrammus interruptus
Black widow tetra Gymnocorymbus ternetzi
False penguin tetra Thayeria boehlkei
Red - eye tetra Moenkhausia sanctaefilomenae
Glass bloodfin tetra Prionobrama filigera
Florida flagfish Jordanella floridae
Odessa barb Pethia padamya
Cherry barb Puntius titteya
Rosy barb Pethia conchonius
Golden barb Barbodes semifasciolatus
Indian glassfish Parambassis ranga
Inlecypris auropurpurea Inlecypris auropurpurea
Emerald dwarf rasbora Celestichthys erythromicron
Red dwarf rasbora Microrasbora rubescens
Asian rummynose Sawbwa resplendens
Wrestling halfbeak Dermogenys pusilla
Zebra danio Brachydanio rerio
Glowlight Danio Danio choprae (Celestichtys choprae)
Pearl danio Brachydanio albolineatus
Inle Loach Petruichthys brevis
Dwarf lake synodontis Synodontis petricolaa
White cloud mountain minnow Tanichthys albonubes
Paradise fish Macropodus operculis
Puntius snyderi Puntius snyderi
Empire gudgeon Hypseleotris compressa

Basically no SOUTH American tetra.
Thanks given by:
Corys aren’t a clean up crew/scavengers, they need a high protein diet Smile
They also need soft water longterm. As Stephen mentioned the orange spot/Venezuelan cory can take harder water than most, but you would still need to make sure you dont get any spikes.
Also Ian(plankton) and Stephen have quite a vast knowledge of fish keeping and experience Smile the limits given on websites are ranges the fish can survive in but not necessarily thrive or have longterm lives. They may also be more susceptible to illness or have longer recovery times in the “wrong” water. This down to a process of osmoregulation (water/salt/mineral balances)
Hope that helps and makes sense Smile
 😇 Heaven doesn’t want me...
And Hell is afraid I’ll take over! 😈
[-] The following 2 users Like Gingerlove05's post:
  • Cheltgirl, Stephen
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Genuinely so thankful to you all here, you are amazing and incredibly helpful! I shall remove Sterbai Corydoras from my list! I've also increased a couple of quantities. Does anyone have any ideas on replacement fish for the pair of honey gourami?

[Image: OfLteC0l.png]
Thanks given by:
I don't use sites for reference as to hardness/ph etc, I look at the rivers that the fish come
Most South American fish comes from softwater rivers, except those in the very North of the continent.
Central American (and Caribbean) fish come from hardwater rivers.
It depends where fish come from in Asia as to whether it's hard or soft water.
Australasian fish (like rainbows) come from (mainly) hardwater rivers.
But, you have to check up carefully, as with temperature.
If at first you don't succeed....
...get someone else to do it! Big Grin

Enjoy your fish, shrimps and snails!

All my posts are from a desktop.
Mobiles are way too complicated for me, although I do have one now. Wink
Thanks given by:
Matt90 Wrote:Hey! Thanks both for getting back to me, which site are you using for their hardness? I have been using multiple sites and put together the following:

Many thanks,

Hi Matt

There are many sites that give information, some are good and some not so good.
When sites give a range say hardness range of 1-15 then these are soft water fish species and I would aim for somewhere in the low to middle of the range. The extremes are usually seasonal variations (wet/dry seasons) and not ideal long-term.
Take a look at,, as the info is quite good.
Out of frustration of going backwards and forwards to the websites I created my own datasheets with many fish species and specified the pH range, hardness range, temperature range and adult size for each fish species, each datasheet has sections that lists the fish in families.
My go to datasheet has about 1,500 fish species listed whilst my master datasheet has about 17,000 fish species listed (not complete). I also have datasheets of fish from certain river systems.
6 foot (600L) South America Rio Guaporé theme.

7 x Biotodoma cupido, 4 x Laetacara dorsigera, 2 x Apistogramma trifasciata (wild), 20 x Gymnocorymbus ternetzi, 18 x Hyphessobrycon eques, 30 x Hyphessobrycon herbertaxelrodi, 18 x Corydoras Sterbai, 12 x Corydoras caudimaculatus, 9 x Otocinclus sp.

My Flickr page
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