I'm starting a 37 gallon planted aquarium. I've been looking up fish profiles but would love to have you all weigh in. These are the fish I'm considering:
to many differnt answers
start with the guppies as they tend to be the hardiest of the fishes you want..and try to get males so your tank isnt overpopulated with fry before you get other fishes...glo fish are pretty sturdy as well...cat fish and alga eater are pretty generic terms but asuming you are not upgrading the tank again go with small members of these families like otocinculis for algae or corys for cats...you could try a banjo or farowalla but they are a bit more sensitive and get larger...just to get you started in this tough choice hopefully someone els e will come bye and clarify this a little more...to many fish to little space..ADIOS...
The first issue is, water parameters. You have listed fish that prefer soft acidic water and others that prefer basic harder water. Depending upon what your source water (tap presumably) is, some may be OK and others not. If you can indicate your water pH and hardness, this will help; you can usually obtain this information from your water supply people, many have a website.
Shoaling fish usually do best in groups of 6+, so bear this in mind when deciding on shoaling fish. In a 37g there is only so much space, and keep in mind the adult size of the fish.
One of the listed fish is problematic, the red minor tetra. This is probably the Serpae Tetra, Hyphessobrycon eques. If you check the profile (click on the shaded name, or use the second tab from the left in the blue bar at the top) you will note that this species is often nippy and aggressive, and should be in larger groups (8*) and either on its own or in 4-foot tanks with other active fish. In a 37g I would leave this species out.
I had my water tested today and it was PH 7.8. Do any of these fish prefer that kind of PH? Do you have any suggestions of fish that would like that and are community non-aggressive fish? Thanks!
In general terms, livebearers do well in basic harder water (pH above 7 is basic, and usually indicates moderately hard to hard water).
Aside from livebearers, there are several smallish fish that also fare well, and some that can generally adapt. Have a look through the fish profiles under Cyprinids and Characins. Catfish will list some bottom fish. A few of the dwarf cichlids would be fine (under Cichlids obviously).
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