I have never heard of a "Pond Rocket Goldfish" and I can find no listing for such an animal in any fish reference book. That fact suggests to me that someone has made up name for a fish they didn't know how to identify. If the fish is a basic goldfish shape and has a tail that is very long (about half to one body length) it is probably a "Comet"
No. Shubunkins and Comets are about the same. A garden pond is the best place for all goldfish including the above.
Probably, but usually the comet goldfish will get all the food and/or the other goldfish will become miserable. This has happened to me before and I do not recommend putting them in the same tanks. Try putting the fancy and comet godlfish seperate!
Yes, koi and goldfish can live together in the same pond as they are both peaceful and compatible species. However, it is important to consider the size of the pond and provide enough space and resources for both types of fish to thrive.
When the crayfish ages, it has a chance of chopping your goldfish to pieces, and possibly eat it.
Yes they are different variations/varieties of the same species.
It is both. The plural form is the same as the singular. This is generally true of the word 'fish' on its own or used as a suffix. I don't think 'fishes' as a plural is incorrect, but it isn't commonly used.
Goldfish release growth-inhibiting hormones into the water they live in: the more goldfish in a smaller space, the less likely they are to grow. For instance, if I have a common goldfish in a 5 gallon tank, it will grow to about the same size if I had 6 of the same fish in a 30 gallon tank. But leave that fish alone in a 30 gallon tank, and it will grow larger. This is why pond goldfish grow bigger. But goldfish won't grow at all in seawater; they aren't saltwater fish.
They get along with goldfish but you'll end up with babies that are part goldfish. I have them in the same pond and that's what happened to me. The main problem with putting Koi with other fish, is sometimes the other fish like to eat Koi.
The plural of goldfish is goldfish. It is the same as the singular.
Yes pond comets and other pond goldfish get along with koi, however koi can get over 24 inches long when a comet typically doesn't grow more than 12 inches- that's quite a considerable difference in size (which is why its often best to keep koi with other koi and goldfish with other goldfish).
No, shrimp and goldfish should not be kept together in the same tank as goldfish may eat the shrimp.
No, cherry shrimp should not be kept with goldfish in the same tank as goldfish are known to eat shrimp.