Question | Answer |
abductor muscle | strong muscle that allows a shell to open and close |
alevin | young salmon |
arthropods | crustacean with an external skeleton |
aquacrops | commercially produced plant or animal living in or around a water source |
aquaculture | production of living plants, animals, and other organisms that grow and live in or around water |
aquarium | small sized, rectangular area that holds water to contain small fish |
ascites | fluid buildup in the abdoment of fish caused by a virus or bacterial infection commonly called dropsy |
aquatic | pertaining to water |
barbs | also called barbels, devices on the fish that detect food, danger and movement |
bivalves | mollusks with two shells |
brackish water | a mixture of freshwater and salt water |
broodfish | mature male and female breeding fish used for reproductive purposes |
cage | structure made to float on the water to hold aquatics |
carapace | thorax, abdoment, and limbs |
caudal fin | the tail fin that acts as a propeller |
cauliflower disease | nickname for lymphocytosis |
cloudy eye | bacterial infection in one or both eyes of fish |
cold water | water temperature below 50 degrees |
cool water | water temperature between 50-60 degrees |
cotton wool disease | nickname for fish fungus |
crumbles | flakes or blocks of fish food |
crustacean | aquatic animal with an outer body shell and legs |
decapod | crustacean with five pairs of legs |
dissolved oxygen | oxygen found in the water for living organisms to breath |
dropsy | nickname for ascites |
exoskeleton | external cartilage on the outside of the body |
expressing | placing pressure on the abdomen to remove eggs or sperm |
fingerling | immature fish greater than an inch in size |
fin rot | bacterial condition that causes the fin tissue to wear away or deteriorate |
fins | structures that act as arms and legs and allow movement in the water |
fish | aquatic species that have scales, gills, and fins |
fish fungus | fungal spores that develop in growths on the face, eyes, and gills, and resemble cotton commonly called cotton wool disease |
food fish production | raising fingerlings to market size to be sold as food products |
freshwater | water with little to no salt content |
fry | newborn fish larvae |
gills | structures that act as lungs as water passes over them |
hatchery | place where fish are fertilized, bred, hatched, and raised |
head | part of the body containing the eyes, mouth, and gills |
ich | common aquatic parasite caused by a protozoan that produces white spots on the skin, commonly called whitespot |
intensity biomass | the number of species in a volume of water |
lymphocytosis | viral disease that causes white to gray growths to develop over the skin, commonly called cauliflower disease |
meal | fine ground food for young fish and aquatics |
milt | fish sperm |
mollusk | aquatic species that have only a thick hard shell |
mouth brooders | fish that incubate their eggs inside the mouth |
operculum | gill covering that divides the head from the trunk |
pellets | fish meal bound into larger particles |
pen | structure that connects land to water |
pincers | paid of structures on the head that are used for smelling, feeding, and protection |
plankton | natural plant food source that grows in water |
pond | contained water area surrounded by human build dams and levees |
ppt | parts per thousand |
production cycle | the time for young aquatic species to reach full market size |
production intensity | assurance that the size of the body of water will hold the appropriate amount of food sources and be large anough for a high production level of products |
raceways | long and narrow water structures with flowing water |
sac fry | yolk sac attached to the fry for a day after they hatch |
salinity | the amount of salt in the water |
saltwater | water with a salt content of at least 16.5 ppt |
scales | individual segments that comver the body and act as skin |
slurry | soft soup like substance fed to fish |
smolt | immature salmon greater than one inch in size |
spawn | group of fish eggs in a nest |
spawning | breeding or reproduction in fish |
spring | natural opening in the earth the provides a clean water source |
surface water runoff | excess water drainage from rainfall or precipitation |
swim bladder | structure that acts like a small balloon that inflates and gives the fish buoyancy to float and balance in all levels of water |
swim bladder disorder | condition common in goldfish and koi that causes difficulty swimming to the surface and in depths of water |
tail | part of the body containing the caudal fin that allows movement and guidance in the water |
tank | large round areas of water |
topical | applied to the outside of the body |
trunk | part of the body that contains the body, fins, and anus |
univalve | mollusks with one shell or part of a shell |
valve | structure in mollusks that act liks gills |
vat | smaller, circular areas that hold water |
vertebrates | animals with a backbone |
warm water | water between 65-86 degrees |
water facility | areas built to house aquatic animals in natural environments |
well water | water pumped from aquifers from deep within the earch where water occurs naturally |
whitespot | nickname for ich |