4. Chinese Algae Eater. Another large pond fish, growing up to 11 inches in length, the Chinese Algae Eater is a finicky eater when it comes to algae. If there are any clumps of algae, or algae that is attached to rocks, plants, or sides of the pond, then this fish will eat it.
Fathead minnow (P imephales promelas) Common names: Fathead, black-headed minnow, rosey-red, The fathead minnow is an ideal baitfish species for pond stocking, and due to its many positive attributes is the most recommended baitfish as a purely forage species.
Combine golden tenches in a pond with koi carps, because a golden tench eat the excrements of koi carps. A golden tench is a strong fish which will not easily fall ill. It may grow rather big, although it may last a considerable period of time before it reaches its maximum length.
Goldfish can grow 10 inches or longer, so they require lots of space. A pond provides goldfish with a large, natural environment that has plenty of exposure to natural sunlight. Even the ideal enclosure of a real pond requires upkeep, though; there are several things you must do to ensure proper care for your fish.
Rosette or Golden rudd. A Rosette pond fish, also referred to as golden rudd, is family of the cypriniformes. In large ponds this fish may grow to be as large as 8 to 14 in. You can recognize a Rosette by its red fins and back as well as by silver to pink belly and sides. A Golden rudd is a strong fish by nature, which will not fall ill easily.
Care Shubunkin. It is a strong fish which will not easily fall ill. Nevertheless it is sensitive to carp louse and mould, like many cypriniformes. Your pond should be at least 28 inch deep to let Shubunkin hibernate and besides there should be shallow areas of about 6 inch for propagation purposes.