Friday, January 20, 2012

What types of fish can live happily in an outdoor koi pond in Southern California?

I have a ~300 gallon, in-ground koi pond in my yard. It's been home to a couple koi (about 10") and about one hundred mosquito fish for the last year or so. I change out 10-15% of the water each week %26amp; keep an eye on pH, nitrates, amonia and salt levels. I have a biological filter system that sprays water in the air to help aerate the pond. Also in there are 3 water lilies providing a decent amount of shade in the summer.



I'd love to put something a little more interesting in the pond (fishwise) - something colorful %26amp; not looking like a goldfish or koi. Depending on the fish, I may go out and get a 1000 watt heater which should raise the water temp by about 10 degrees. This means that in the colder months, water temps could dip down to 60 at night (on average) and are generally about 10 degrees warmer by the end of the day.



I've had one recommendation for a giant gourami %26amp; one for a fancy plecostomus - neither of which are that appealing to me as they aren't very colorful.

What types of fish can live happily in an outdoor koi pond in Southern California?
I have albino cats



Wimple (Myxocyprinus asiaticus) - Also known as the Freshwater Batfish. Not commonly found, it is an unusual fish that is worth tracking down if you like to have something unique. It will tolerate temps into the mid 60's



Croaking Tetra (Coelurichthys microlepis) - Not often found for sale, they are an attractive fish that is worth shopping around for. Like other coldwater tetras, they are easy to care for. I had these in my on outside pond but the bass I added ate most of them.



Barbs will grow large in an outside pond hwever not very "bright". That also goes with native fish.



I am confused as to why you need to watchthe salt levels. No salt should be in your pond for any reason.
Reply:koi and goldfish can stand cool and hot weathers. just make sure that your pond has alot of shade for hot weather. these fish can really brighten up your pond.
Reply:do u like to go fishing? if yes go fishing and use the fish u catch and put them in your pond i have a small pond with catfish, sunfish, bluegill, and some minnows(about 3.00$ a dozen at a bait shop)

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