Inches of Fish per Gal ???? What you guys have !!Research !!

[Paul Davies]

Gals/ Guys,

I am doing some research on the boundaries of captive specimines and would like your help in this matter !

Can you reply to this post with your inches of fish per gal you currently have and weither or not you mean Americal gallons or Brittish.

Also if you have 2 secs, could you add the number of fish in total you have plus if you have a reef of fish oly.

thanks in advance.

Paul

 

[kbmdale]

I have 8" of fish total in a reef 30g

As far as a calculator, you don't count the tail when you add your fish up...Here is the one I use.

http://www.aquariumadvice.com/calcs2.php?type=fishcapacity

 

[Paintbug]

right now i have about 1" of fish per 6.81 water. as a general rule for SW its about 5" of fish per gallon should be the max bio-load. but theres lots of things to consider. 6" of clowns is not going to have the same bio-load as 6" of a Tang. thats why not alot of pepole use a general rule like that.

 

[eidillitih]

<a href=showthread.php?s=&postid=6529700#post6529700 target=_blank>Originally posted</a> by Paintbug
right now i have about 1" of fish per 6.81 water. as a general rule for SW its about 5" of fish per gallon should be the max bio-load. but theres lots of things to consider. 6" of clowns is not going to have the same bio-load as 6" of a Tang. thats why not alot of pepole use a general rule like that.

5" of fish per gallon:eek1: I hope you meant 1in per every five gallons. Yes, it also depend on the species.

 

[Paintbug]

opps yes 1" per 5 gallons. nice catch.

 

[techigirl78]

125 gal reef - 7 fish - ~15"

90 gal reef in progress / 70 gal sump/refugium - 3 fish - ~ 12"

 

[Clayman]

100 gal mixed reef. This is what I have planed for the tank. I already have the first three on the list the rest is still to come.

2 false percs
6 blue/green chromis
1 royal gramma
1 firefish
1 purple tang
1 flame angel
1 mandarin

 

[kbmdale]

<a href=showthread.php?s=&postid=6530351#post6530351 target=_blank>Originally posted</a> by Clayman
100 gal mixed reef. This is what I have planed for the tank. I already have the first three on the list the rest is still to come.

2 false percs
6 blue/green chromis
1 royal gramma
1 firefish
1 purple tang
1 flame angel
1 mandarin

2 false percs = 4"
6 blue/green chromis = 9"
1 royal gramma = 2"
1 firefish = 2"
1 purple tang = 4"
1 flame angel = 3"
1 mandarin = 2"

And that is assuming the fish are on the small side. I think you will way overload that tank if you add all those.

 

[LTJGAlex]

Remember that the answers to this age-old question will depend on who's answering. Tang Police will tell you a totally different thing than normal hobbyists.

 

[stevedola]

75 gallon-
1 sohal
1 powder
1 yellow
2 percs
5 chromis
1 goby
1 hawk
1 6 line

 

[chris2222000]

125 gallon Reef
--------------------------------
1 yellow tang- 5"
1 nasty tomato clown- 4"

 

[ratherbediving]

You almost need an 'inch multiplier' in order to answer this question IMO--- for example, 7" of tang should be equal to at least 21" of chromis... or something like that. Although fish have different metabolisms, a 4" fish with the same shape as a 2" fish is 8 times as large, not twice as large.

My biggest fish by far is a Royal Gramma. Probably not quite 4" not including the tail, but larger than 3". It is over twice the size of my bicolor blennie, even though the bicolor is almost as long.

55 gallon tank

Royal Gramma 3" (4"?)
Bicolor Blennie 3"
Yellow Watchman Goby 2"
Ocellaris clownfish 3"
Venderbilt chromis 2"

13"-- 1" of fish per 4.23 gallons

Planning for adult sizes (from liveaquaria.com)
Royal Gramma 3" (?)
Bicolor Blennie 4"
Yellow Watchman Goby 3"
Ocellaris clownfish 4" (I'd be surprised if mine got that big)
Venderbilt chromis 4" (wow... seems large.)

18"-- 1" of fish per 3.06 gallons

I'd LOVE to get a 6 line wrasse, but I know I should probably hold off. :sad2:

 

[thehedge]

75 gallon

Rosy Fin Fairy Wrasse 3"
Mystery Wrasse 2"
Bluesided Fairy Wrasse 2"
Yellow Fin Fairy Wrasse 2"
2 Perculas 1" each
Yellow Clown Goby 1"
2 Banded Shrimp Gobies 1" each

14" total

 

[tsquad]

<a href=showthread.php?s=&postid=6530808#post6530808 target=_blank>Originally posted</a> by ratherbediving
You almost need an 'inch multiplier' in order to answer this question IMO--- for example, 7" of tang should be equal to at least 21" of chromis... or something like that. Although fish have different metabolisms, a 4" fish with the same shape as a 2" fish is 8 times as large, not twice as large.

Agreed. Would you put a 24" Sohal in a 150g tank? No. That's about 1"/6g. You could put twelve 2" chromis in there and be fine though.

 

[onereefnotenuf]

in my 125 i have 8 us gallons per inch
1 sailfin tang 5"
1 kole tang 5"
1 flame angel 3"
1 flame hawkfish 2"

 

[daveNandi]

currently have a 46 gallon (US) reef with
2 inch Ocelaris clown
2 inch orchid dottyback
2 inch psychadelic mandarin
1 inch Red headed goby

used to have a couple more fish in the tank, but one met the powerhead intake and another just died (my son's favorite, a wrasse).

My wife's always begging for a few more inches, but I prefer to keep the tank understocked to make maintenance easier.

David

 

[zukihara]

Wouldn't you have to factor in the total system volume to do this calculation accurately? Maybe even subtract the amount of water displaced by any live rock? If its 50 lbs of rock in a 180 no big deal but say 250 pounds in a 110, thats different.

 

[Paul Davies]

Very true guys, didnt think of that, I would make a difference with an 8" puffer rather than 6 or 7 chromis.

 

[Billybeau1]

72 us gallons - fish only - 6 fish - total 17 inches.

I'm about maxed out.

 

[kbmdale]

<a href=showthread.php?s=&postid=6531032#post6531032 target=_blank>Originally posted</a> by daveNandi

My wife's always begging for a few more inches, but I prefer to keep the tank understocked to make maintenance easier.

David

Careful there stubby :lol: