Figure eights need brackish water with a sand bottom so they can dig for food. You also have to feed them snails or their teeth continue to grow. Their teeth grow like a rabbits. If you don't give them something to crungh on their teeth get out of hand and tou will have to cut the teeth down.
How many can you keep in a 10 gallon which will be soon moved 2 a 55 gallon reason is Wal-Mart got in about 20 puffer fish where I live and I feel sooooooooo sorry for the pooor things I just set up a old tank(that held my baby puffers at one time) and it's 10 gallons.I don't want them 2 suffer there are about 20 in a tank about 5 gallons or so.I put 2 bid tablespoons of rock salt in there(is that enough) and set up the filter,and put stress coat in thehe w/ some declorified water.I s there anything else I can do to help the set up go faster.I plan on going in the next few days and cleaning them out of puffer fish.I'm going to set up my 55 gallon tomorrow but they are going 2 be in the 10 until it's cycled and they get a little bigger they are about 3/4"-1 inch long.
How many can you keep in a 10 gallon which will be soon moved 2 a 55 gallon reason is Wal-Mart got in about 20 puffer fish where I live and I feel sooooooooo sorry for the pooor things I just set up a old tank(that held my baby puffers at one time) and it's 10 gallons.I don't want them 2 suffer there are about 20 in a tank about 5 gallons or so.I put 2 bid tablespoons of rock salt in there(is that enough) and set up the filter,and put stress coat in thehe w/ some declorified water.I s there anything else I can do to help the set up go faster.I plan on going in the next few days and cleaning them out of puffer fish.I'm going to set up my 55 gallon tomorrow but they are going 2 be in the 10 until it's cycled and they get a little bigger they are about 3/4"-1 inch long.
Do not use rock salt! you need to use marine salt. The sg should be between 1.005 and 1.010. you'll have to buy a hydrometer. I would only put one in a tank because they like to beat each other up.
A 15 gallon tank, with an SG of 1.005 and preferably a Ph of around 8 will make a nice home for the F8. You can use Aragonite sand, ocean rock etc to buffer the water if your Ph is less than this.