koi carp help question?

kirky305 asked: my sons old primary school teacher has 3 koi in a coldwater indoor fish tank which is a decent size 1 of the fish has no eye ! any ways one has a big like lump near its **** hole what is it here is a video of what the fish look like [...]

im considering a new tank set up ,would this work?

applesjackk asked: im trying a new setup of 2 x oscars and 2 x parrot fish
would they live happily or would it be a bad match wih the oscars?

What do you do with Koi fish in the winter in a cold climate?

Jeff D asked: I am thinking of making a Koi pond in my backyard but want to get some input first. What do you need to do for Koi fish in the winter?

I live in a area that can get to be as low as around 5 F but is usually mid 20s F. [...]

Can a koi fish live with a betta fish in a 10 gallon tank?

Slick Rick asked: I saw some koi fish at walmart that grow about 5” to 6”. Just wondering if a koi fish would get along with my betta. If so could i add more koi fish with him?

can koi fish live with other kinds of fish and are predatory to tadpoles?

numbah1 asked: im from the philippines.
i am planning to have pond with koi fish and some other fish.
what fish can i put in with the koi fish? that thee koi fish wont eat?
and does koi fish eat tadpoleS?