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ch25 aquaculture

Chapter 25 Aquaculture Indentification and Production management

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
Created by: tromanczak