Do you know there are many other Popular Aquarium Fish Related to Goldfish, apart from other over 100 types of Goldfish? It’s a common mistake believing they a unique fish family related to carps. But in reality, Goldfish belong to a large family called Cyprinidae. There are many other freshwater aquarium fish types belongs to this family. Even though Goldfish are the only fish with twin Caudal fin some other types of fish are close relatives to them.
Cyprinids are stomachless plus with toothless jaws just like Goldfish. All of them are egg-layers but bad parents who don’t take care of eggs or fry. They would happily eat all eggs without a problem. These guys can be found in all continents so nearly in all countries. Giant barb or Siamese giant carp the biggest in this group of fish and they can grow as big as 3 meters. Anyway, let’s see what are these popular aquarium fish related to Goldfish.
I guess this is something we all know. Koi are basically carps and Goldfish are also originated from carps. So they are relatives. Koi do have something they got from their carp ancestors which Goldfish no longer have. That’s barbs which they have both sides of their mouth. This is something common among Cyprinids types. Koi fish soo popular and especially in Japan, there is a high demand for high-quality Koi fish. Problem is due to their size Koi fish are only good for big ponds. Unless you can give them a massive tank.
Do you know Barb fish are related to Goldfish? Can you imagine they are related when you look at these 2 types of fish? Big fat Goldfish and these small fast single tail barbs! But yeah, both these guys belong to Cyprinidae family. Most of these small barb fish types are tropical fish. They are fin nippers so you can’t mix them with Goldfish.
Danio is another is another genus in Cyprinidae family. The most popular one known as Zebrafish. They are hardy fish and considered good for beginners. Small in size, so Danios are suitable for smaller size tanks too. But they are not a good tankmate for Goldfish because to the smaller size.
Rasbora is another subgroup of Cyprinidae family from South East Asia. Among them, Harlequin Rasbora is very popular in the aquarium trade. Only a few known as aquarium fish but there are 84 recognized species in this genus.
Bala Shark is a very popular aquarium fish. They are also known as Silver Shark or Tricolor Shark, or Shark Minnow. Yes, they are related to Goldfish even though they have no connection at all to the real sharks. They can grow 12-14 inches and a very active fish. So Bala Shark does need a quite a big aquarium. They should be kept in groups.
Chinese Algae Eater
Can you believe this? Chinese Algae Eater also belongs to Cyprinidae family. So they are directly related to Goldfish rather than catfish or Loach fish or Plecostomus. They eat Algae in young age but develop a taste for meaty stuff when becoming adults. So you might find them eating slime coating of Goldfish once they are grown up.
Popular Aquarium Fish Related to Goldfish
It’s hard to believe these types of fish are related to Goldfish, isn’t it? Also, none of them is good tank mate for Goldfish. Their behaviors, habits, food, and everything different. Apart from Koi none of the other fish tolerate cold water since all of them are from tropical climates. Also, Goldfish has changed a lot from their ancestor Common Carps.