20 long stocking. (Macroalgae and softies)

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NoahLikesFish

NoahLikesFish

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If someone can help me figure out predatory fish with a good personality for a 20 long I’d be happy, I’m pretty dead set on the dwarf fuzzy lion or a pair of clarkii
 
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dedragon

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But what is recommended for minimum tank size from everywhere that sells these fish online? Yes they are not very active but are large so they need more food when fed. Also do you have access to a steady supply of ghost shrimp (which cost money to continuously feed) as they are known to be finicky eaters at first and need larger food than mysis to usually live. I would say 1 scorpionfish in a 20 gallon with no other fish would be fine.
Fuzzy dwarf lionfish are too big for this tank. Clarkii get so much bigger and meaner than you are thinking they do but 1 pair in a 20 gallon would be the absolute limit on fish.
These are specific and harder aquariums to keep to and you havent even figured out how to get rodi water for the tank yet, but said you have hard tap water from your city.
 

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If someone can help me figure out predatory fish with a good personality for a 20 long I’d be happy, I’m pretty dead set on the dwarf fuzzy lion or a pair of clarkii
Get a larger tank, there will be plenty of help and suggestions to help you run a successful predator tank.
 

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I would have to say the same as vabben, get a 40 breeder instead and you can use most of the same filters or maybe one extra hob and wavemaker and then we can talk about more fish or larger fish, but not in a 20 long, it is an accident waiting to happen and pretty much torture for the fish you will put into the tank
 
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NoahLikesFish

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I don’t see any issue with 2 or 3fairly peaceful not active fish in a 20 gallon long which would have an environment conducive to the fishes health. I might even just do nano reef fish then the lion as a show fish because the puffers don’t seem super cool now that I know how cool dwarf lions are
 
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I probably will do a pair of clowns that look like clarkii then a fuzzy lion and 1 peaceful mid dweller or goby. the lion seems small enough. I heard a couple say 4-5 but more common heard is 4.5-6 and they aren’t very active and can go in a smaller tank if it has lots of rock work. I don’t want designer clowns or 100$ rare Wrasses and crazy things. id rather have a fowlr than a high end reef with designer clowns
 
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dedragon

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cant do that either the lionfish will attempt to eat anything under 3-4".
It isnt about it being peaceful or not, it is too large because of swimming room and its ability to eat large pieces of meaty foods at once. Lionfish spread out their fins a lot and the tank is just too small.
 

dedragon

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surface area isnt the issue here but they most likely also have way more because they also have a sump
 

dedragon

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i think you are confusing surface area and total length of the tank, again not important either
 

dedragon

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the issue is overall volume of the tank water, as you add rock the volume of water also goes down as well. The lionfish is flat out to big.
have you though about just swapping tanks with the freshwater it doesnt look like its too cared for rn anyway
 
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WHAT DOES THE TERM "GOOD WATER QUALITY" MEAN TO YOU?

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