Is my tank too crowded!?

ClearEyes

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The angels will get too big. Also, 4 tiger barbs is too few. They're fin-nippers, especially with the angels, who have those long fins...tigers need 10 or more to tame their aggression.

Not sure about the Denison shark, don't know about those.

I don't know if your tank is necessarily too crowded, you just have a few stocking compatibility issues that you should take care of
 

Plecomaker

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Yep.
Idtake back the denison for sure if not others.
I believe they are a schooling fish. Typically a 55 gallon is the minimum size people keep these in, though i wold suggest larger.
 

Dom90

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Denison barbs, roseline Sharks whatever you want to call them, are schooling fish and need a group of 6 or more. Angelfish get up to 6" long and are not suitable for anything less than 55 gallons or a 40 Breeder.


 

Plecomaker

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Denison barbs, roseline Sharks whatever you want to call them, are schooling fish and need a group of 6 or more. Angelfish get up to 6" long and are not suitable for anything less than 55 gallons or a 40 Breeder.
Hhaha , ninjad
 

Et tu

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Not the answer you wanted to hear, your tank is not only overstocked it has inappropriate numbers & species. Have you looked at Aquadviser ? It is a stocking tool website it's not perfect but it will red flag possible issues.
 

aquaman86

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Yes, don't add any more. Try to relocate some if you have multiple tanks.

Sent from my SGH-T999 using Fish Lore Aquarium Fish Forum mobile app
 

MtnTiger

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Welcome to Fishlore. What most new to the hobby don't realize when it comes to overstocking is that it is not only the number of fish, but their type and what they grow up to.

Most employees at LFS or LPS aren't concerned with the future of your fish and will not advise you appropriately.

When you see angles that are the size of a dime you don't realize that before long they will the size of saucer.

Listen to the advice of previous posters and decide as whether you return some or purchase another larger tank.

Good luck.
 

KoolHand

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The surface area at bottom of the tank is important to the amount of fish you can have in it. A tank that is one foot by one foot and four feet high can't hold as many fish as one that is one foot by four feet one high. Adding ledges or building platforms using flat rocks well increase the number of fish your tank can support.
 

Et tu

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The surface area at bottom of the tank is important to the amount of fish you can have in it. A tank that is one foot by one foot and four feet high can't hold as many fish as one that is one foot by four feet one high. Adding ledges or building platforms using flat rocks well increase the number of fish your tank can support.
Why or how would a ledge or platform increase the numbers of fish that a tank can support?
 

Dom90

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Yea... I'm confuzzled about that too, that would actually lower the area for fish to swim around wouldn't it?


 

Plecomaker

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Yea... I'm confuzzled about that too, that would actually lower the area for fish to swim around wouldn't it?
Its like a half truth. Cichlids, loaches, and cats will be able to sometimes stock in bigger numbers because they dont realize theyre near the surface.

However, if you just layer your fish: top swimmers, bottom swimmers etc. this wouldnt be helping at all.
 

Et tu

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Ok, so it can increase the territories but not the actual physical foot print and surface area for gas exchange. Please correct me if i am wrong.
 

Blk69

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Yes to the above. You got a few crossed species in your tank. Suggest you decide which way you want to go and try to move in that direction.

Remember this is supposed to be a fun hobby.... Don't stress over it to much.
 

Plecomaker

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Simplified answer: you must Take back the shark,
step 2 : pick one of the other 3 species as your main fish then go from there.
 

Dom90

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Simplified answer: you must Take back the shark,
step 2 : pick one of the other 3 species as your main fish then go from there.
Let me add that you should rehome the angelfish also. Angelfish definitely need more space than a tank with a 30" footprint can provide.


 

alink

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A 37g is essentially a really tall 20 long (30 x 12 x 22). Theres enough width for the angels to turn around (twice the length of the fish), height is same as a 55g. I dont see a problem keeping 1 Angelfish in there, but not 2. Tiger Barbs do not mix well with Angels. The denison barb should be rehomed, as mentioned before.

Of course it is your tank, and do can do what you want with it. You have gotten some good advice here if you choose to follow it, it will be easier on you and the fish in the long run.
 

Plecomaker

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If you go ahead and pick a fish i can offer suggestions.

like if you wants tigers to be the focus, add a couple more, they also come in 4 colors i believe, so it will look like here are more kinds. A sumo loach wold make a good bottom swimmer for that tank.

if you prefer the skirts, try a pitbull pleco as a tankmate to monitor the algae. They have a scary name, but are prettypeaceful. Cory catfish would also be an option.
 
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