Both koi fish and goldfish are decedents of carp so
they are actually distant relatives
. The goldfish is far older than koi fish. Goldfish were developed in China over 1,000 years ago while koi fish have only graced our ponds since the 1820's.
Do goldfish turn into koi fish?
Koi will breed with the goldfish
. Some of the baby fish (fry) will be born brown or grey and may turn orange as they get older. These fish will not be pure koi, something that doesn't really matter unless you are really into koi! Koi have whiskers called “barbels” while goldfish do not.
What is the difference between a koi and goldfish?
Barbels and bottom jaw
When the koi was developed from the carp, they kept these distinctive barbels, while goldfish did not.
Koi also have pronounced lower jaws, while goldfish have more evenly rounded jaws
. This can be another subtle yet helpful way to tell the two apart.
Is baby koi a goldfish?
What family of fish do koi belong to?
Minnows and Carps
Are koi just big goldfish?
Koi are all almost the same size
, but goldfish are usually wider and have an egg-like appearance. However, most goldfish have a variety of body types and shapes depending on their characteristics.
Are koi hardier than goldfish?
While
goldfish are considered by some to be hardier than koi
, their needs vary more widely depending upon breed. Although smaller than koi, they produce a greater amount of waste in relation to their body size and as such require more dissolved oxygen (and more frequent pond cleaning).
Native to East Asia,
the goldfish is a relatively small member of the carp family
(which also includes the Prussian carp and the crucian carp). It was first selectively bred for color in imperial China more than 1,000 years ago, and several distinct breeds have since been developed.
Are carp just big goldfish?
What's so dangerous about a goldfish? As we mentioned before, they can reach monstrous sizes in the wild. Like all species of carp,
the domestic goldfish, Carassius auratus, grows to be as large as its resources will allow
(within reason, anyway).
Why are koi fish so special?
Koi are a type of carp, a common fish that can be found all over the world, but what makes Koi so special is
their coloring and lineage
. There are regular competitions to name the top koi and just like prized dog breeds, Japanese people take koi breeding very seriously.
What is a ghost koi?
Ghost Koi are
a mix between a mirror carp and a metallic Ogon Koi
. Ghost Koi grow faster than standard koi and will have either a metallic shine, yellow scales or a ghost white appearance. Koi thrive in a stable environment.
Why are koi fish so expensive?
The main reason why koi prices can go so high is largely due to
the prevalence of koi breeding
, which began in Japan in the 1700s by rice farmers. Just as dogs are bred for their specific traits, so were these koi selected for their distinctive colors and patterns.
Can goldfish breed with other fish?
Summary:
Female fish can breed a new species if they aren't choosy about who is Mr. Right
. Fish will mate with a species outside their own if the male's coloring is attractive enough or if the female can't see him properly, according to new research.
Are koi and carp the same?
Koi are a domesticated version of the common carp
. They are not considered to be a separate species from the common carp, but rather a sub-species. Unlike the common carp, koi have been selectively bred to have vibrant colors and patterns.
Are black koi rare?
Ki Utsuri are a variety of black koi fish with yellow splotches all over their bodies. They are members of the Utsurimono family and are
considered among the rarest of koi varieties
.
Are koi fish Japanese or Chinese?
錦鯉 – Nishikigoi, often called Koi fish or Japanese carp, are fish with colors and patches raised and kept for appreciation.
The carp originates from China
and was brought to Japan by means of gifts. Its first Japanese mention dates back to 71AD (of Koi held by the presumed legendary Emperor Keikō).
Are koi friendly?
Koi are truly friendly
and will not eat other fish or fight with each other.
What kills koi fish?
Ammonia
—this is the first byproduct of bacteria breaking down organic waste. Even in low concentrations (as low as 0.25 ppm) can kill your koi. The levels should be at 0.0ppm. Ammonia is more toxic at higher pH levels.
Are koi good for ponds?
Yep, koi can live in a natural pond
. They are comparable to grass carp as far as waste production goes. Keep in mind that the Koi may have coloration that is less than natural camouflage so care must be taken with predators.
Should I put koi or goldfish in my pond?
The area of a pond built for koi should be at least 8'x10′, whereas a pond for goldfish can be half that size and still provide adequate room for the fish.
If you are restricted in space, then goldfish, especially the smaller varieties such as shubunkin, are definitely a better choice.
What goldfish look like koi?
The
Bristol Shubunkin, London Shubunkin, and American Shubunkin
(also called the Japanese Shubunkin) make up these types. The London shubunkin could basically be described as a calico goldfish, with the same body shape as the common goldfish.
Why are koi more expensive than goldfish?
Koi tend to be more expensive than goldfish
because of the extensive culling and selecting process
. A single spawning will produce thousands of offspring that exhibit a wide variety of color, pattern, and quality. Separating the desirable koi from the less desirable is a tricky and tedious job.
Can common carp breed with koi?
Common carp and koi will breed and produce fertile offspring
. Bighead carp, grass carp, and black carp might be able to produce viable hybrids with koi (like goldfish do), but the hybrids are likely to be sterile (like mules or koi x goldfish).
Do goldfish get lonely?
While we can never know for sure,
there is no indication that goldfish get lonely
. It's likely that when you spot a single goldfish that seems lethargic or depressed, it is far more likely that there is a problem with its environment or health than it is that the goldfish is lonely.
Do all koi have barbels?
There are many different types of KOI fish, but
all have one thing in common – barbels
. These whisker-like appendages come from the mouth and hang down like a mustache or beard on the lower lip. There are two sets of these barbels, a set on top of each side of the mouth.
