All goldfish are freshwater.
Yes, for they are both Fancy Goldfish (It's bad to keep Comets with Fancy varities because most likely the comet will become stressed and die).
another gold fish or try asking someone in a pet shop that sells fish maybe they can help
if your goldfish lives in you then yes
um ok here are lots of freshwater fish: Australian rainbow fish, turquoise rainbow fish, black moor goldfish, blue oranda goldfish, chocolate oranda goldfish, koi angelfish, orange sunshine guppy & red cobra delta guppy um hope thers enough there to keep you going!! :)
you need a little more of a scientific name, but the best place I have foundwould WWW.fishbase.org or one of the Mirrors :fishbase.org | fishbase.us | fishbase.de | fishbase.fr | fishbase.se | fishbase.tw | fishbase.cn
No, goldfish should only live with goldfish with a few small exceptions that do not include red ear sliders.
Angelfish, Frogfish, Anthias, Basslets, Batfish, Blennies, Boxfish, Butterfly Fish, Clownfish, Groupers, Lionfish, Dottybacks, Pufferfish, Tangs
Saltwater is a neutral one. So you can use a red litmus paper.
it was blood
red grape algea
It is most likely that the food you are feeding it with, has red dye in it.
a goldfish