Can I put goldfish and koi carp in with rainbow sharks?

As long as you separate the fish if there is aggressive behavior, and make the space big enough for both fish to feel like they have their own territories, it...

Only Mako sharks are powerful enough to break bulletproof glass. Other sharks such as Hammerheads or Great Whites can only break regular glass.

It could be ich. This is a bacterial infection. Try talking to your local fish store about actions you can take to stop it, as it can spread quickly and...

I like Kumonryu, it is black and white. There's also the very pretty Kin Kikokuryu, which has gold, black and yellow.

Yes you can. You could add watonai goldfish to your pond, as they look beautiful in ponds.

They most likely placed mini koi fish in the resin. I believe you can buy some mini koi fish on Amazon.

Sharks have 50 teeth, but they have multiple rows of teeth in development that are ready to take the place of teeth that fall out.

Yes, sharks are considered very dangerous.

It sounds like he has swim bladder disease or ich. If it is ich, it would be best to quarantine him, since ich is very contagious.

1. Scrub off any loose algae on the walls of the pool. 2. Vacuum up any algae on the bottom of the pool. 3. Shock pool. 4. Test chemical levels...