what is the max amount of fish suggested for 75 gallon tank?

momolicious · 01/13/2008, 12:08 AM

what is the suggested max amount of fish that can be put in a 75g without being overstocked?

demonsp · 01/13/2008, 12:16 AM

Depends on your stock and tank setup.FOWLR or reef as well as your water readings.

coast2coast7390 · 01/13/2008, 01:25 AM

and dimensions...a longer tank will be able to support more fish than a taller one

snorvich · 01/13/2008, 06:05 AM

It is not like freshwater. There is no real maximum number. There are many things that can be a factor. Lenth makes a difference as to KIND of fish and surface area also makes a difference. Then too, bioload can vary; one fish can be a large bioload if it eats constantly and therefore poops at the same rate. A small fish is different than a large fish too.

Total water volume (tank + sump + refugium) are more relevant than only tank size.

kydsexy · 01/13/2008, 07:39 AM

haha freshwater and saltwater tanks should follow similar rules, especially when stocking. just make a list and check it twice, figure the space needed and bioload (heavy or light) before actually stocking.

4 large fish that create a heavy bioload may be too much, whereas 15 small fish with a light bioload may also be too much. as mentioned, it does depend on type of fish

also, in reference to snorvich, i wouldn't add the sump in refugium into the water used for stocking. stock according to the amount of water that will remain in the stocked tank if the power goes out.

75 gallon tank + 55 gallon sump + 40 gallon refugium doesn't mean stock for a 170 gallon tank

a bioload for 170 will quickly kill everything in a 75 in a power outage **just a thought

Emc2 · 01/13/2008, 10:16 AM

As with freshwater, size and number are not the only factors to consider. Aggression, territoriality, compatibility, are all things you need to consider when deciding on the particular bioload/capacity of a given tank.

snorvich · 01/13/2008, 01:45 PM

I was not suggesting that adding them all together (water volumes) allows you to stock at that level. What I was suggesting is that by NOT having the additions you should stock less. The greater the volume, the greater the resistance to negative influences. But thanks for the suggestion about power outages, if my generator also fails due to natural gas outage, I guess I would have a problem.

01/13/2008, 12:08 AM	#1
momolicious Registered Member Join Date: Jan 2008 Posts: 10	what is the max amount of fish suggested for 75 gallon tank? what is the suggested max amount of fish that can be put in a 75g without being overstocked? __________________ does your turbo snail spool?

01/13/2008, 06:05 AM	#4
snorvich Team RC member Join Date: Aug 2005 Location: Outlander Posts: 40,953 Blog Entries: 46	It is not like freshwater. There is no real maximum number. There are many things that can be a factor. Lenth makes a difference as to KIND of fish and surface area also makes a difference. Then too, bioload can vary; one fish can be a large bioload if it eats constantly and therefore poops at the same rate. A small fish is different than a large fish too. Total water volume (tank + sump + refugium) are more relevant than only tank size. __________________ Warmest regards, ~Steve~

01/13/2008, 10:16 AM	#6
Emc2 Registered Member Join Date: Feb 2005 Location: Philly Posts: 315	As with freshwater, size and number are not the only factors to consider. Aggression, territoriality, compatibility, are all things you need to consider when deciding on the particular bioload/capacity of a given tank. __________________ PBITAWA Current Tank Info: 58 gallon

01/13/2008, 01:45 PM	#7
snorvich Team RC member Join Date: Aug 2005 Location: Outlander Posts: 40,953 Blog Entries: 46	I was not suggesting that adding them all together (water volumes) allows you to stock at that level. What I was suggesting is that by NOT having the additions you should stock less. The greater the volume, the greater the resistance to negative influences. But thanks for the suggestion about power outages, if my generator also fails due to natural gas outage, I guess I would have a problem. __________________ Warmest regards, ~Steve~

01/13/2008, 12:16 AM	#2
demonsp Moved On Join Date: Jul 2006 Location: el paso tx Posts: 7,634	Depends on your stock and tank setup.FOWLR or reef as well as your water readings.

01/13/2008, 01:25 AM	#3
coast2coast7390 Moved On Join Date: Apr 2006 Location: Garden Grove Posts: 3,627	and dimensions...a longer tank will be able to support more fish than a taller one

01/13/2008, 07:39 AM	#5
kydsexy Moved On Join Date: Apr 2007 Location: Middletown, CT Posts: 390	haha freshwater and saltwater tanks should follow similar rules, especially when stocking. just make a list and check it twice, figure the space needed and bioload (heavy or light) before actually stocking. 4 large fish that create a heavy bioload may be too much, whereas 15 small fish with a light bioload may also be too much. as mentioned, it does depend on type of fish also, in reference to snorvich, i wouldn't add the sump in refugium into the water used for stocking. stock according to the amount of water that will remain in the stocked tank if the power goes out. 75 gallon tank + 55 gallon sump + 40 gallon refugium doesn't mean stock for a 170 gallon tank a bioload for 170 will quickly kill everything in a 75 in a power outage **just a thought