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Nishikigoi Terms

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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

Word (Pronunciation)Meaning
Calcinosis The build up of calcium carbonate deposits in the tissues of the fish, often without harmful effect.
Calcium carbonate Chemical symbol CaCO3. g/eq - 50, Solubility - moderate. Most common naturally occurring form is chalk and limestone. Used for increasing the alkalinity of water.
Carbonic anhydrase Enzyme which aids carbon dioxide transport and release by catalyzing the synthesis, and the dehydration, of carbonic acid from, and to, carbon dioxide and water. Koi facilitate this reaction in the lamellar blood of the gills and are able to maximize the partial pressure gradiend of carbon dioxide between the blood and the water.
Carotene Nutrient responsible for the red color in Koi. Nishikigoi absorb carotene as a nutrient in order to live. When the carotene stays in the fat of the body surface, it appears as a red stain. Because Shiro Utsuri don't have any red in their patterns, carotene fed to this variety can cause red staining to appear.
Carrier An animal which harbors a disease-causing agent in its body without showing clinical signs of infection (i.e., they appear healthy but are capable of spreading disease under the right conditions).
Catabolism The metabolic breakdown of complex molecules into simpler ones, often resulting in a release of energy. When koi catbolize protein, they enzymatically cleaino acids and then the free aminos pick a hydrogen molecule, thus forming ammonia.
Cataracts An irreversible clouding of the lens of the eye. Appears as a grey / white colour in the normally black lens of the eye. May be due to either physical damage sustained whilst handling, irritation from disease organisms such as Diplostomum spathacaeum, or a result of incorrect nutrition. The cataracts impair the vision of the fish. In some species, such as sight feeders like salmonids this can lead to a wasting away and eventual mortality. Some fish will however adapt and feed from the bottom of a tank / pond. This will usually result in very poor FCR and lesions to the mouth parts which can in turn lead to other infections. Poorly sighted fish are normally removed and killed to prevent them becoming stressed and risking the development of disease conditions which could threaten the rest of the stock.
Caudal fin (KAH dal)Tail fin.
Cell Mass of protoplasm containing a nucleus or nuclear material. Cells and their products make up all the tissues of the body. All the functional activities of the body are carried out by cells. Their structure and form are closely correlated with their function.
Cerceria Larval stage of flukes such as eye fluke (Diplostomum spathacaeum). The stage at which the flukes are released from their mollusk host (usually a snail) and infect fish.
Cha (CHA) Japanese term for Brown
Chagoi (cha' goy )koi fish pictures Brownish, scaled Koi, often used incorrectly to include blue-gray Koi (Soragoi), or greenish Koi (Midorigoi). A light-brown or tea-coloured koi with non-metallic scales.
Chigyo (CHEEG yoh) Unsorted fry.
Chloramin T Chlorine based chemical for the treatment of external parasites. Usually used as a bath or flush treatment, at concentrations of 2.5mg/l (at water pH of 6) to 20 mg/l )at water pH of 8) for one hour. Care should be taken not to mix chloramine T with formalin / formaldehyde, and to avoid the use of metal containers. Appearance - fine white powder, inhalation can cause respiratory problems and irritation.
Chlorophyll Green pigment found in plants and found abundantly in nearly all algae.
Chobo Zumi (cho' bow zoo' me) Dark spot found on the heads of young fish that is caused by the thin, transparent skin at that location. The area appears dark because you are looking through the skin at the skull.
Chupa (CHOO pah) Medium quality Koi.
Cilia Microscopic hairlike process that extends from the surface of a unicellular organism and acts in unison with like structures to cause movement.
Clinical The outward appearance of a disease in a living organism based on actual observation and treatment as apposed to experimentally or pathologically. See also: acute, disease, inflammation, pathological condition.
Colloid Particulate matter, finely divided and insoluble but larger than molecules that are dispersed within a pond in such a manner as to prevent them from being filtered easily or settled rapidly.
Common carp Cyprinus carpio; common carp are the original species of fish from which koi were developed for ornamental purposes.
Communical disease Disease that may be transmitted directly or indirectly from one organism to another.
Congestion Excessive accumulation of blood or tissue fluid within an organ or peripheral blood vessel.
Cortisol A hormone produced by the adrenal gland that promotes the synthesis and storage of glucose. It is used in response to stress, to suppresses inflammation and regulates the deposition of fat in the body. When a fish is stressed, the cortisol levels increase causing more glucose to be released in to the bloodstream. This can result in the build up of lactic acid in the body, as once it has been used for energy, the glucose breaks down into lactic acid. Cortisol concentration in the blood is often used as an indicator to measure stress levels.
Costia necatrix A protozoan parasite of fish. Affects the skin and gills. If present in sufficient numbers, can cause rapid mortalities, similar to viral infections. In larger fish, a skin infection often results in the production of excess mucus, which gives a blueish tinge to the fish. Treatment is usually by chemicals such as formalin at a concentration of 200 - 250ppm for 1 hour
Cross infection Cross infection occurs when two or more animals from different sources are put into contact with each other, allowing any infectious agents to be transmitted from one to the other.
Cyanobacteria Commonly called blue-green algae. These organisms behave like algae but are actually zooplankton. Responsible for the release of toxins into the water which can cause fish kills and flesh taints. When filter feeders such as blue mussel (Mytilus edulis) consume cyanobacteria, the toxins can build up in the body, causing poisoning to humans on consumption (called PSP - paralytic shellfish poisoning)
CyHV-1 Cyprinid herpesvirus-1; the virus that causes carp pox.
CyHV-2 Cyprinid herpesvirus-2; the virus that causes hematopoietic necrosis herpesvirus of goldfish.
CyHV-3 Cyprinid herpesvirus-3; the virus that causes koi herpesvirus.
Cyprinid herpesvirus-1 CyHV-1; the virus that causes carp/koi pox.
Cyprinid herpesvirus-2 CyHV-2; the virus that causes hematopoietic necrosis herpesvirus of goldfish.
Cyprinid herpesvirus-3 CyHV-3; the virus that causes koi herpesvirus.
Cytotoxic Destroys cells.

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.
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 to avoid 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.
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.
Pond Pumps are crucial to the survival of your Koi pond. It provides aeration (very important for Koi) and powers the filter and UV sterilizer.
Pond Pump
Pseudomonas Aeromonas Bacteria, are the most common bacteria present in your pond. These two bacteria kill more Koi each year than all the other pathogens combined. Understanding how these pathogens live, eat and attack your Koi is vital to controlling them. What can you do to keep your Koi and fish healthy?
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.
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