Compatibility Questions

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divemaster99

Dovii
MFK Member
Jan 10, 2014
4,795
385
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Pittsburgh, PA
Hello everybody, this will be my first post or thread on this forum but anyway lets get to business. I am getting a 75 gallon tank on Monday and have thought many times about what to put in it once established. There are a couple of options that I was thinking of but need some opinions about compatibility and so I don't overstock. These are the different ideas I had for it.

Option 1: 1 Red Shoulder Severum ( Heros sp. rotkeil)
1 Firemouth (Thoricthys meeki)
1 Redhead Geophagus (Geophagus tapajos I believe)
1 Rainbow Cichlid ( Archocentrus multispinosus)
6 Zebra Danios (Danio rerio)
1 Striped Raphael Catfish (Platydoras armatulatus)
1 Sailfin Pleco (pterygoplichthys gibbiceps) Yeah I know it will get to big but I am giving it to my friend who has a 180 when it gets to big.
1 Gold Synodontis (Synodontis nigrita)
I have a feeling that is way overstocked but maybe not.

Option 2: 4 Angelfish (Pterophylum scalare) A personal favorite
1 Keyhole Cichlid (Cleithracara maronii)
2 Kribensis (Pelvicachromis pulcher)
6 zebra danios (Danio rerio)
1 Striped Raphael Catfish (Platydoras armatulatus)
1 Sailfin Pleco (pterygoplichthys gibbiceps) Again I have a friend to give it to.
3 or 4 Pictus Catfish (Pimelodus Pictus)

Option 3: 1 Red Shoulder Severum (Heros sp. rotkeil)
1 Firemouth (Thorichthys meeki)
1 Redhead Geophagus (Geophagus tapajos)
6 Zebra Danio (Danio derio)
1 Striped Raphael Catfish (Platydoras armatulatus)
1 Sailfin Pleco (pterygoplichthys gibbiceps)
1 Zambezi Grunter Catfish (parauchenoglanis ngamensis)

Option 4 Any combination of those three that won't result in fish psychotically attacking each other.

The only fish that cannot be changed are the striped raphael catfish as he is currently in my 30 gallon and I have become over attched to him.
 
I would say option two or three are the better ones but without the zebra danios they'll probably get eaten.

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I know I am going to get a lot of hate for this but the reason the danios are in the mix is I am cycling the tank with fish in it and am trying to pick something really hardy. I am also cycling with media from my other tank and bottled nitrifying bacteria to help speed up the process and doing 20% water changes every other day to make sure the fish don't suffer. If there are some larger hardy fish that I can use to cycle that get along with the other fish then I am open to ideas.
 
Or another option could be:
1 red shoulder severum
3 or 4 angelfish
2 or 3 kribensis
some hardy small-medium sized fish as dither and for cycling
1 striped raphael catfish
1 sailfin pleco
3 or 4 pictus catfish
 
Alright, I finally found an option that isn't overstocked. Is there any hardy fish to cycle my tank that anybody would recommend. I just don't want a lot because to many during cycling = sick fish.
 
Also if swapped out the red shoulder severum for a red severum, would that be to many fish?
 
Oh, and is there any way I could put an electric blue crayfish in there or some kind of crayfish or lobster, or will it kill the other fish while they sleep.
 
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