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Glossary of terms

If you are new to the hobby.

Glossary of terms

Postby colinoak » Sat Apr 17, 2010 9:44 pm

Hope this helps out some what, with the different terms, abbreviations and Jargon that is used in the fish world. :-):


AC - Activated Carbon- This is carbon that is very porous to allow for adsorption or chemical reaction.
Acclimation - The time it takes for fish to acclimatise from one set of parameters to another.
Acidic - water where the Ph is under 7.
Adipose Fin - A small fin found between the dorsal fin and the caudal fin in some species.
Aerobic - Needs oxygen to live such as Aerobic bacteria we find in filter canister which turns Ammonia into Nitrites.
Air Pump - A pump that pushes air into the fish tank which when breaking the surface of the water allows CO2 to escape.
Air stone - made from various mediums such as stone and timber. Connected to an airline will produce various size bubbles.
Albino - is the name we give all animals when they lack colour/pigmentation in the skin
Alevin - is a young eel
Algae - Photosynthetic plants the grow in the aquarium, also feed for some fish species.
ALK - Alkalinity, water where is Ph is over 7.
Ammonia - NH 3. A harmful toxin that is produced by aquarium habitants when they defecate.
Amphipods - are tiny crustaceans that fry and fish feed on
Amyloodinium - affect the gills of saltwater and brackish water fish species, otherwise known as Ich or Oodinium
Anaerobic - needs no oxygen such as Anaerobic bacteria in aquarium filters to turn Nitrites into Nitrates.
Anal Fin - A fin found near the anus of a fish
Artemia - A small crustacean used for feeding fish. Otherwise known as Brine shrimp
AS - Abbreviation for algae scrubber
asexual reproduction - is where some fish species reproduce without having sex. They reproduce in other ways
Bacteria - A small organism made up of only a single cell.
Barbel - These are the fleshy appendages found near the mouth on some species of fish such as Cat fish and loaches.
Benthic -Living or settling to the bottom of the ocean or aquarium.
Bloom - is a rapid increase of algae and can be in fresh as well as marine aquariums.
Brackish - is water that has more salt in it than fresh water but not as much as sea water
Bubble Nest - Some species blow masses of tiny floating bubbles contained in oral secretion when spawning
Buffer Agents - A chemical used to treat the water to change or stabilise the pH in the water
Ca - is the chemical symbol for Calcium
Ca(OH)2 - is the chemical symbol for Calcium hydroxide
CaCl2 - is the chemical symbol for Calcium chloride
Canister Filter - is filled with different media to filter impurities in the aquarium and is an external to the tank
Carbon Dioxide - is produced by fish with they breath. Chemical symbol is Co2
Carbonate Hardness - A measurement magnesium & calcium carbonates dissolved in water.
Carnivore - are meat eaters that typically hunt down their food
Caudal Fin - is the tail fin.
CFM - cubic feet per minute
Chemical Filtration - filtering or conditioning the water with products like, like activated carbon, or peat
Chiller - is an external device used to cool and control water temperature.
Chlorine - a chemical that is added into town water that needs to be removed before using in the aquarium.
Cichlid - A term used for a group of fish found in India, South America and Africa.
Claspers - are modified organs that allow the two sexes of particular species to clasp on to one another during mating
CO2 - is the chemical symbol for Carbon dioxide
Copepod - tiny crustaceans some species of fish hunt for food.
Cu - is the chemical symbol for Copper
CYANO - bacteria found in the tank is a redish colour
Cyclops - a form of crustaceans some fish species hunt for food.
Daphnia - a form of crustaceans some fish species hunt for food.
Detritus - refuse or decaying matter produced by fish.
Fry - Baby fish
FW - Abbreviation for freshwater
GAL - Abbreviation for gallon
Gestation period - The length of time from a fertilised egg to being born
GPD - Abbreviation for gallons per day
GPH - Abbreviation for gallons per hour
GPM - Abbreviation for gallons per minute
Hair Algae - a form of algae that looks like Hair
Hard Water - is water that is high in minerals
Herbivore - fish that have a diet of only plant products.
Hermaphrodite - Having the ability and organs of both sexes.
HO lighting - Abbreviation for High Output fluorescent lighting
hydrometer - A Hydrometer is an instrument used to find the specific gravity in water
Ichthyology - The study of Fish
Internal Filter - A filtration unit which is installed inside the Fish tank
Invertebrates - Animals without backbones
Killifish - a common name for the genus Cyprinodontidae
Larvae - Immature stage of the fish life cycle.
LFS - Abbreviation for Local fish Store
Live Rock - A term used to describe the associated strains of bacteria on calcareous (primarily) rock which has been removed from part of a tropical reef
Livebearer - species of fish which give birth to live young
LPD - Abbreviation for litres per day
LPH - Abbreviation for litres per hour
LPM - Abbreviation for litres per minute
LPS - Abbreviation for Large polyped Scleractinian (stoney) coral
LR - Abbreviation for Live rock
LS - Abbreviation for Live Sand
Macro plankton - is plankton visible to the naked eye
Mechanical Filtration - another name for canister (see canister)
Metal Halide Lighting - a form of lighting aquarists use.
Metamorphosis - the change from developing from a larvae to a young adult
Mg - is the chemical symbol for Magnesium
mg/L - Abbreviation for Milligrams per litre.
MH - Abbreviation for Metal halide, lighting
Mouth Brooder - Fish that carry eggs in the mouth to protect them until and sometime after the eggs hatch.
NH3 - chemical symbol for Ammonia
NO3 - chemical symbol for Nitrate
NO2 - chemical symbol for Nitrite
NSW - Abbrevation for Natural seawater
Peat - Peat moss is used in the aquarium to decrease the pH
Pectoral Fins - are the fins found on the under side behind the head and of a fish.
Pelagic - Living in the open waters near the surface.
pH-pH stands for hydrogen potential or power of hydrogen. It is the negative logarithm of hydrogen ions in a solution.
Phosphate - is a trace element for marine tanks, to much phosphate will cause an algae bloom.
Plankton - tiny drifting organisms that is eaten by some marine life.
Predator - is a herbivore that hunts plant material as their primary source of food and carnivore which hunt fish, plants and other animals as their primary source of food.
Protein Skimmer - is use to remove protein from the water,
RO/DI - RO = Reverse osmosis DI = deionisation, an RO/DI device is use by some aquarists to purify water before using it in the aquarium. It strips the water of minerals.
SG - Abbreviation for specific gravity - measurement of salt in water
Si - Silicon
Siphon - a device used to expel water from the tank.
Sodium/Calcium Hypochlorite - common household bleach.
Soft Water - water that contains a small amount of salts
Spawning - A term used when fish are reproducing.
SPS - Abbreviation for Small polyped Scleractinian (stoney) coral
Substrate - The media used on the bottom of the tank. E.g. crushed coral gravel, sand etc
Sump - A collection container mainly used in marine tanks
SW - Abbreviation for Saltwater/seawater
Sweeper tentacle - A coral tentacle or polyp that sweeps in the water to catch food and sting other corals
Swim Bladder - is an organ in fish, they use this organ to swim up and down by filling and emptying the bladder.
Symbiotic - A relationship where two animals live and benefit from each other such as the Anemone and clown fish.
Trace Elements - A term used for minerals needed in marine tanks in small amounts
UGF - Abbreviation for Under gravel filter
UV Sterilizer - A mechanical device that uses ultraviolet light to kill harmful bacteria
Zooplankton - Animal plankton.
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colinoak
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