Chapter 25 Aquaculture Indentification and Production management
Quiz yourself by thinking what should be in
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on it to display the answer.
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| abductor muscle | strong muscle that allows a shell to open and close
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| alevin | young salmon
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| arthropods | crustacean with an external skeleton
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| aquacrops | commercially produced plant or animal living in or around a water source
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| aquaculture | production of living plants, animals, and other organisms that grow and live in or around water
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| aquarium | small sized, rectangular area that holds water to contain small fish
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| ascites | fluid buildup in the abdoment of fish caused by a virus or bacterial infection commonly called dropsy
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| aquatic | pertaining to water
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| barbs | also called barbels, devices on the fish that detect food, danger and movement
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| bivalves | mollusks with two shells
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| brackish water | a mixture of freshwater and salt water
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| broodfish | mature male and female breeding fish used for reproductive purposes
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| cage | structure made to float on the water to hold aquatics
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| carapace | thorax, abdoment, and limbs
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| caudal fin | the tail fin that acts as a propeller
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| cauliflower disease | nickname for lymphocytosis
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| cloudy eye | bacterial infection in one or both eyes of fish
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| cold water | water temperature below 50 degrees
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| cool water | water temperature between 50-60 degrees
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| cotton wool disease | nickname for fish fungus
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| crumbles | flakes or blocks of fish food
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| crustacean | aquatic animal with an outer body shell and legs
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| decapod | crustacean with five pairs of legs
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| dissolved oxygen | oxygen found in the water for living organisms to breath
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| dropsy | nickname for ascites
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| exoskeleton | external cartilage on the outside of the body
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| expressing | placing pressure on the abdomen to remove eggs or sperm
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| fingerling | immature fish greater than an inch in size
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| fin rot | bacterial condition that causes the fin tissue to wear away or deteriorate
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| fins | structures that act as arms and legs and allow movement in the water
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| fish | aquatic species that have scales, gills, and fins
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| fish fungus | fungal spores that develop in growths on the face, eyes, and gills, and resemble cotton commonly called cotton wool disease
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| food fish production | raising fingerlings to market size to be sold as food products
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| freshwater | water with little to no salt content
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| fry | newborn fish larvae
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| gills | structures that act as lungs as water passes over them
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| hatchery | place where fish are fertilized, bred, hatched, and raised
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| head | part of the body containing the eyes, mouth, and gills
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| ich | common aquatic parasite caused by a protozoan that produces white spots on the skin, commonly called whitespot
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| intensity biomass | the number of species in a volume of water
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| lymphocytosis | viral disease that causes white to gray growths to develop over the skin, commonly called cauliflower disease
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| meal | fine ground food for young fish and aquatics
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| milt | fish sperm
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| mollusk | aquatic species that have only a thick hard shell
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| mouth brooders | fish that incubate their eggs inside the mouth
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| operculum | gill covering that divides the head from the trunk
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| pellets | fish meal bound into larger particles
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| pen | structure that connects land to water
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| pincers | paid of structures on the head that are used for smelling, feeding, and protection
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| plankton | natural plant food source that grows in water
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| pond | contained water area surrounded by human build dams and levees
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| ppt | parts per thousand
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| production cycle | the time for young aquatic species to reach full market size
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| 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
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| raceways | long and narrow water structures with flowing water
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| sac fry | yolk sac attached to the fry for a day after they hatch
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| salinity | the amount of salt in the water
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| saltwater | water with a salt content of at least 16.5 ppt
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| scales | individual segments that comver the body and act as skin
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| slurry | soft soup like substance fed to fish
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| smolt | immature salmon greater than one inch in size
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| spawn | group of fish eggs in a nest
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| spawning | breeding or reproduction in fish
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| spring | natural opening in the earth the provides a clean water source
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| surface water runoff | excess water drainage from rainfall or precipitation
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| 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
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| swim bladder disorder | condition common in goldfish and koi that causes difficulty swimming to the surface and in depths of water
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| tail | part of the body containing the caudal fin that allows movement and guidance in the water
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| tank | large round areas of water
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| topical | applied to the outside of the body
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| trunk | part of the body that contains the body, fins, and anus
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| univalve | mollusks with one shell or part of a shell
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| valve | structure in mollusks that act liks gills
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| vat | smaller, circular areas that hold water
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| vertebrates | animals with a backbone
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| warm water | water between 65-86 degrees
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| water facility | areas built to house aquatic animals in natural environments
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| well water | water pumped from aquifers from deep within the earch where water occurs naturally
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| whitespot | nickname for ich
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