How many fish are you allowed to have in a 37 gallon fish tank?
by Aquaboy on Friday, May 21st, 2010 | 10 Comments
Me and my dad are going to get a 37 gallon freshwater fish tank and we want to know how many fish we can put in it……
we dont know what kind we want to get yet because i dont want to get all the same kind…….i know i dont want a fighting fish either because it will eat the rest of my fish
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it really depends on what type of fish you get you can put up to 37 inches of fish in a 37 tank you should measure the size they are when they are fully grown
Depending on what kind of fish you get.
Goldfish-40
tetras-90 Any other fish is in between these numbers because goldfish are pretty big and tetras are extremely small.
20 small ones or around 15 medium ones. Hope I helped!
It depends on what kind of fish you want to begin with. small, schooling fish or fish that get large? Need to know! Don’t pay any attention to the old adgae, one fish per inch..a 37″ fish can not fit in a 37 gallon tank!
For example: 37 gallons? Two fancy goldfish
Maybe one oscar
10-15 schooling rasboras or tetras
See what I mean? It all depends on what species you want to keep.
Why the thumbs down? I mean, it does depend on his choice of fish. I was just giving examples. Maybe the oscar, maybe not.
The typical measurement is a gallon for a one inch fish. So, if you had a four inch fish, he would need about four gallons in order to be healthy. If you crowd the tank too much, the water can become poisonous because of all of the poop. I hope that helps!
that depends on the type of fish.
Measure back to front and times by the length this will give you the surface area of the tank.
Two things to remember, space required for the fish to swim comfortably so if its a fast active fish it requires space, or if its a large fish its obvious it needs to turn etc.
Second thing is surface area, this is the point where gaseous exchange takes place and oxygen is replenished, an air stone and pump do nothing but agitate the surface the same as a filter will do, so it does not add oxygen directly as some will say.
The guide is 12sq in of surface area per inch of fish, and you have to remember that’s the full potential of the fish. Its a guide as fish like neon tetra’s will require 6sq in while platys are the guide fish at 12sq in, fish like goldfish, Oscars would require at least twice the surface area.
Wow. Allot of thumbs down. Ok. Here’s the best answere. 1 inch of fish per gallon is the rule to go by but you have to consider that you have gravel and plants and decorations that will be in the tank and this may reduce the water volume by 10-30 percent. So you may only have may have as little as 25 gallons of water to work with. Another consideration is if the tank is long or tall. As a longer tank has more surface area to work with and will hold more fish then a tall tank. Please read this article. It will help allot.http://freshaquarium.about.com/cs/beginnerinfo/a/fishcalc.htm
Oh and by the way a fighting fish will not kill your other fish. In fact they are pretty docile towards other fish. They only fight there own kind. Good Luck and enjoy picking out your fish.
just get alot of any fish yu like no more then 50 lil ones or less then 20 med
Start by deciding what sort of fish you want to keep.
Tiny fish like Neon tetras – may 50 or more once the tank is fully cycled and established.
Medium size fish, 10 to 20 depending on what they are.
Maybe you will settle for just a couple of larger fish, but be aware that many common fish will actually outgrow that size tank.
The 1″ rule is a VERY rough guidline that you can apply to smallish fish that are 1-3″ long adult size. But even then it has more holes than a fish net.
BTW – Fighting fish are nowhere near as agressive as most people think. You do have to choose their tankmates with care, but usually so they dont get beaten up by more agressive and faster swimming tankmates. They can live with most shortfinned similar sized community fish, especially if the tank is large.
Ian