If you get a koi carp that is 20 years old 5 foot long and 3 foot wide how long do you think they live?

Watts per gallon isn't really a good rule to follow, because reflectors and T5 bulbs affect this rule. But nonetheless, 2-3 WPG is a good way to start. Here are two lighting systems that will ...

white clouds would be a good choice for a un-heated tank. 5-6 would be a good number. Platties and guppies also would be a good choice as long as the water will not get below 65-68

A breeding trio of one male and 2 females would be fine. Make sure you have lots of plants and hiding spots and just leave them alone. The fry will hide in the plants and stuff and maybe some wil...

You can still use tap water to top off your aquarium,just add your dechhlorinator to the tank as you fill. the water temp doesn't have to be exact just within a few degrees. Certain fish need ...

A betta would be the best choice, since they really don't mind being on their own. Other fish are either too big or should be kept in schools so they need more room to swim.

If it has a gravid spot then it almost definately is pregnant. They dont get super fat till closer to the birth, but it gets a little bigger in the beginning.

yes, that's about right. it's a rarer fancy goldfish. it maybe have been a tiny bit on the pricier side if it was small, but it's not too bad. I have a Ranchu which is similar and sl...

It is possible they are panda corydoras, as they are common in the pet trade. Below is a link to Corydoras World. They have large databases with pictures of countless cories. They can be very helpf...