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Nishikigoi Terms

This Glossary is Koi, Plant and all things relating to the Pond.

Pronunciation Guide:

A - pronounced ah, as in paw or draw EI - pronounced aye, as in bay, play
E - pronounced eh, as in spend or friend OI - pronounced oye, as in toy, boy
I - pronounced ee, as in bee, he, tree OA - pronounced oh ah, as in boa
O- pronounced oh, as in tow, oak OO - pronounced oo, as in who, boo
U - pronounced uu, as in moo, who UI - pronounced wee, as in tree, bee
R - sometimes pronounced like the letter "d" JI - pronounced gee, as in bungi
AI - pronounced eye, as in pie, fly JY - pronounced jah, as in draw, jaw
AO - pronounced ah oh RYU - pronounced droo, as in Andrew

Faculative Ability to live under more than one specific set of environmental conditions; e.g. a faculative aenerobe may live with or without oxygen.
Fecundity The number of eggs that are obtained from a fish during one spawning cycle. Usually referred to in terms of number of eggs per kg body weight (but sometimes per individual animal). Sometimes refers to the number of viable eggs rather than the total production of eggs. Values are approximations as the true fecundity can vary according to the strain of fish and timing of when it is spawned.
Feed Conversion ratio (F.C.R.) The ratio of the gain in the wet body weight of the fish to the amount of feed fed. The true F.C.R includes wasted feed and mortalities. The ratio, usually expressed as a true ratio (i.e. 1 : 1.5) is often quoted as a "rate" (1.5). Feed conversion ratios of less than 1 : 1 are possible with commercial diets, as the pellet being fed is a "dry" diet, and a high percentage of weight gained by the fish, is water trapped in the tissues and cells. Feed conversion ratios with commercial "dry" diets are typically in the region of 1 : 0.8 to 1 : 1.5. Ratios with wet diets are higher than this, and can be as high as 1 : 10.
Feed Efficiency A figure used to represent the efficiency of food use. The inverse of the feed conversion ratio e.g. a feed conversion ratio of 1 : 1.5 becomes a feed efficiency of 0.66 (1 / 1.5)
Feed formulation The raw ingredients that go to make up a feed. Many manufacturers use the "least cost" method, where the ingredients of a feed may change regularly according to the availability and price of different feed stuffs, but the final formulation of the feed (in terms of percentage and overall quality of protein, fats etc.) will remain constant. For example it may be more economic to purchase a 50% mix of low quality protein and high quality protein one week, but due to availability and cost changes, the following week it may make more sense to purchase 80% medium quality, 10% low quality and 10% high quality protein.
Feed Rate The amount of food given to fish over a specified period of time. The most common way of expressing this is as percentage of the animals body weight per day. For example a 1000 gram fish, being fed 20g of food per day would be on a 2% feed rate [(20 / 1000 ) x 100)]
Fibrin Whitish filamentous protein formed by the action of thrombin on fibrinogen.
Filter Media A particle or structure which is used for either the mechanical filtration of solid matter (by restricting its ability to pass between particles) or the substrate on which bacterial and/or algal colonies are formed, which provide water treatment as the water passes the colonies. Filter media can be divided into two categories, that which is a solid structure and is packed into a filter in a structured method, and that which is random packed into a filter (i.e. by filling it up without caring how the items of media lie against each other). The latter of these two is the more common type found in aquaculture and includes naturally occurring particles such as sand, gravel, and man made items such as plastic rings, tubes and beads. A general criteria for aquaculture media is that it is non-toxic to fish, and will not breakdown as a result of the water quality that it is immersed in.
First feeding Term given to describe the period of transition between alevin and fry, when the fish begin to look for food after having exhausted most of their yolk sac. First feeding is critical in many species and if the feed is not properly presented in the short window of time available, the fish may not have the energy left to take feed if presented too late.
Fixative A chemical which is used to preserve the body tissues after death. Most commonly used chemical is formaldehyde.
Flashing The action of fish which involves a quick, half-spin movement. During the movement the fish rubs itself against a surface (e.g. tank base or cage side), a flash is caused by the light reflecting off the flank of the fish. Fish typically exhibit flashing when their skin is irritated by parasites. Flashing is often one of the first signs of a parasite infection.
Floc The general term given to a colonies of bacteria which are either attached to a surface (e.g. in a biological filter) or free floating in a clump.
Flowery Kohaku (Flowery koh HAH koo) A red and white koi (Kohaku) with lots of small areas of the red (hi). No discernible stepped pattern.
Flow meter A flow meter is used to determine the exact gallonage for treatments and medications. It should be used when a pond is first being filled.
Flow Rate Flow rate is critical for all intensive aquaculture systems, as it determines the rate at which oxygen and other resources (for example calcium carbonate which will buffer a systems pH) are brought into the system, and also the rate at which excretory products such as feces, carbon dioxide and ammonia are removed from the system. The more that water is reused or recirculated, the more parameters that flow rate becomes critical for. E.g. in many cases it only needs to be sufficient to supply the oxygen needs of the fish, however once oxygenation is used, and more stock are held per unit of flow, other factors such as ammonia and carbon dioxide concentration become important.
Fomites An inanimate object or material (e.g., net, siphon hose) on which disease-causing agents may be spread.
Formaldehyde Used for the treatment of many external parasites. Usually sold as a 37% by weight of formaldehyde gas in solution, the most common name given is formalin. Commonly used at 100-200ppm for 1 hour (of the 37% mixture). It is usually a clear liquid, although sometimes a tracer (a coloured dye) is added so that the operator can see that good mixing has occurred in the treatment tank. The chemical has a very strong smell and care should be taken not to inhale. The chemical should be stored out of direct sunlight, as this can cause the formation of a white precipitate, which collects at the bottom of the container called paraformaldehyde. This is very toxic to fish, and any formaldehyde / formalin which shows either this, or a white haze, should be discarded of carefully and not used for the fish. It is often wise to check the concentration of the solution of formaldehyde that you are using first, if it is not clearly stated on the container. As formaldehyde degrades in the water it removes some oxygen, so additional aeration / oxygenation should always be provided in the tanks, and care taken to not reduce the oxygen levels in water courses etc.
Fry The stage of fish development after alevin / larvae. May be applied to any small fish, but generally fish are termed fry up to a size of 5-10grams. Fish slightly larger than this are usually termed fingerlings
Fucarin (FOO kah reen) Area of skin around smaller scales of metallic koi. The smaller the scales, the greater the luster.
Fuji (FOO jee) This describes a sheen and lustre found on heads of young koi. Can be seen in young quality Sanke and sometimes Kohaku and Ogon.
Fukurin (who' coo reen) Scale Wrap. It is the cuticle of the skin which appears as a line drawn in a ring around a scale. This name was taken from the term Fuku (meaning to "cover" or "wrap") and Rin (meaning "scale"). Fukurin is most noticeable in Hikarimono, and was originally thought to occur only in metallic varieties because it was harder to see in other varieties. Fukurin is now also seen in large sized Kohaku and Taisho Sanshoku (Sanke).
Funazoko Hi (who' nah zoh koh hee)Bottom Hi. Hi on the belly and below the lateral lines of Asagi and Shusui. Funazoko means the bottom of ship. It is called this because it resembles the red paint seen on the waterline of a steamship. It is a point of appreciation for these varieties which lack other strong colors.
Furuncle An encycted locus of baterial infection often referred to in the vernacular as a boil.

Table of Contents

Standard Grade Koi
Koi Sales Fish For Sale The Koi Pond Guide is an authorized Dealer for Blue Ridge Koi. We have a Huge Selection of Koi, including, Butterfly Koi, Premium Select Koi and Standard Koi for sale, at several sizes to choose from.
Butterfly Koi Fish for Sale The Koi Pond Guide is a Blue Ridge Fish Dealer. We carry Blue Ridge Koi!!
Butterfly Koi Fish for Sale The Koi Pond Guide has Premium Koi, Standard Koi and Butterfly Koi for Sale. We carry Blue Ridge Koi! Pond Fish for Sale. Buy Butterfly Koi Fish for Ponds. We are an Authorized Blue Ridge Koi Dealer.
Stay Up To Date on Koi Pond Guide With the Build a Fish Pond Blog
The build a fish pond blog keeps you up-to-date on the additions and changes of Koi-pond-guide.com Web Site Subscribe here
A really outstanding Kohaku is rarely seen because most will fall short on one point of detail.
Kohaku is The very cult of the Japanese Koi Fish and is derived from the Japanese love of the Kohaku Variety.
Pond stocking NPS (New Pond Syndrome).
Pond Stocking To Avoid Casualties. Stocking Your Fish Ponds is the Most Important Part of Fish and Pond Keeping.
Email Course
Koi Diseases, Fish Disease Symptoms, Fish Disease Identification
Koi Diseases, How can you tell if you have a sick fish? Pictures of Fish Disease for Identification along with Fish Meds.
Koi Pond Supplies To Keep Your Water Clean, Clear, and Healthy for Your Koi and Pond Fish.
Koi Pond Supplies Will Help Control Algae in Your Pond and Keep Your Pond Clean and Water Clear. In order to keep Koi in your garden ponds you have to maintain stable and optimal water conditions and we have the products to help you maintain the BEST water conditions for your Koi or Pond Fish.
Article Library Database of Koi & Fish Pond Articles
Koi & Fish Pond Article Library Database. This is your Fish and Koi Wellness Center as Well as the Pond and Water Garden How To Center. A Complete Listing Of All The Koi and Fish Pond Articles On This Website.
Koi Health & Wellness Center, Koi Care, Care for Fish Diseases Fish Anatomy Pictures and The Immune System of Koi.
Koi Health & Wellness Center Fish Medicine for Sick Fish. If your Koi or Goldfish Become Sick Try One Of These Treatments for A Fast Remedy.
Argulus (Fish Lice) adhere to the flesh by means of sucker-type discs.
Argulus (Fish Lice) Despite their name fish lice are not true lice, but rather a type of crustacean.
Aqua Ultraviolet Systems, UV Sterilizer, Clarifier to Kill Algae, Clears Bacteria and Parasites in Pond Water
Aqua Ultraviolet Systems Along with a Koi Pond Filter will be Your Magic Solution to Crystal Clear Water. The Benefits are: Pond Cleaning will be improved and Koi Pond Maintenance will be Reduced.
Ammonia in Ponds is Deadly for Koi and Pond Fish. What is Aeromonas Alley?
Ammonia in Ponds tends to block oxygen transfer from the gills to the blood and can cause both immediate and long term gill damage.
160 Watt Aqua Ultraviolet Sterilizer, Bacteria and Parasites in Pond Water
160 Watt Aqua Ultraviolet Sterilizer , Along with a Koi Pond Filter will be Your Magic Solution to Crystal Clear Water. The Benefits are: Pond Cleaning will be improved and Koi Pond Maintenance will be Reduced.
Aqua Ultraviolet Replacement Parts
Aqua Ultraviolet Replacement Parts
Pond Pump
Pond Pump
Dechlorinator and Pond Bacteria needs to be used to remove the chemicals the water department has added.
Dechlorinator and Pond Bacteria The ideal place to add dechlorinators is to your Waterfall, because good and rapid mixing will occur there.
Pond Keeper Premium Activated Carbon is a blend of two forms of specially processed bituminous carbon with millions of macro and micropore structures in one package.
Pond Keeper Premium Activated Carbon is fast acting.
Pseudomonas Aeromonas Bacteria, are the most common bacteria present in your pond.
Do I have a female or male Koi? This article will help you determine if you have a feamle or male Koi.
Sexing Koi can be full of surprises. Having given birth to a new generation, they would as willingly eat the baby Koi as see it grow up.
Aeration Pumps for your Koi Pond or Water Garden.
Aeration Pumps Pondmaster Air Pumps. The most important part of koi pond care is your water quality.
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