How do you detemine the volume of cylinder?

V= (3.14)(radius squared)(heigth)

What is the volume of a protein skimmer that is 7 meters tall and 1 meter in diameter?

5.5 cubic meters

How do you find the volume of a rectangular fish vat?

volume = length x heigth x width

What is the volume of a fish vat that is 8 feet long, 2 feet wide and 1 foot deep?

16 cubic feet

Carbon dixoide, ozone gas, backwash water discharge, and chemical discharges (medicated water) are considered as waste _____________ of aquaculture production.

by-products

What are the best methods do reduce dangerous gas build-up inside a hatchery?

gas detection senors

constant ventilation

What safety considerations should an aquaculture technician complete prior to applying a chemical.

read the label

read the "chemical" active ingredient info

wear proper PPE

follow proper disposal protocol

How many gallons per acre of pond surface should a water well provide?

25 gallons per acre of pond surface

Which type of soil is best to line a pond for the purpose of reducing water sepage?

Loam

Silt

Clay

Sand

clay

What type of material is often used to seal ponds, such as, koi ponds.

commerical poly plastic linings

What the measurement that represents the distance from the water surface to the top of the pond bank?

freeboard

What type of Florida FFA competition is available to aquaculture students?

Aquaculture Career Development Event

or

Aquaculture CDE

Particles (Particulate organic solids) can be removed by using this type of pond or tank.

settling ponds or tables

Small volumes of waste water can be filtered through this type of porus sand flitering system.

percolation pond

The Florida Best Management Practices for Aquaculture is conntrolled by this state division of government.

Florida Divsion of Aquaculture

Large discharges of waste water is controlled by this governing organization.

U.S. Environmental Protection Agency

A type of fish production system that conserves water.

Recirculation systems

List some physical factors that must be monitored to enhance fish production.

temperature

heat

water quality

oxygen

The freeboard of most Hillsborough County ornamental fish ponds can be described as having a ___________ freeboard.

low

Swordtail fish internally hatch their eggs and give birth to fry.  What is the reproduction classification of this type of fish.

livebearers

A well conditioned female fish that has many eggs ready for fertilization is described as being __________.

gravid

Name at least two types of tropical fish that are bubble nesters.

betta

gourami

Pleco (suckermouth catfish) deposit their egg mass in this location of a stream environment.

 mud bank cavities

Name the  reproductive classification of Africian cichlid's.

mouthbrooders

What type of aquaculture facility is designed for a specific species, isolated, climate controlled, and can serve as hatchery and nursery.

breeding facility

Name the type of spawning environment  that is used to spawn liverbearers.

tropical fish ponds

How can fish stress be reduced within a concrete fish tank?

Paint the vats a dark color

Name a hatchery setup that consist of a screened, flat bottom tray that fits inside a rearing tank.

heath incubator

Name a common spawing substrate that is used to spawn barbs and tetras.

spawing brushes

Angel fish deposit their eggs on this type of rock surface.

slate

McDonald hatching jars should have water flow adjusted to float eggs not more than ___________ percent of the volume of the hatching chamber.

50%

All spawning chambers (tubs, jars, boxes, etc) should be _____________ before introducing fish.

sterilized

This air lift device is used to filter waste while providing a great environment for nitrifying bacteria.

sponge filter

List two types of live fry food commonly used in the tropical fish industry.

brine shrimp

microworms

Plecos is a ____________ beccause it obtain nutrients from plant/vegetable matter. 

herbivore

A type of feeding behavior of fish that select food based on size rather than type.

strainer feeders

Fish can obtain their dietary energy from food containing this type of nutrient.

Carbohydrates

Carbohydrates, proteins and fats are all sources of _________________.

energy

List at least two factors that will reduce the shelf-life a high protein fish food.

high heat and/or moisture

Most ornmental fish grown in Hillsborough, Polk and Hardee counties are reared in this type of structure.

shallow fish ponds

A huge advantage of a pond rearing environment is the natural supply of these substances.

natural nutrients (phytoplankton and zooplankton)

What type of production considerations are energy cost, land cost, taxes, water availabilty, and weather impacts?

economic considerations

Tropical fish raised in ponds have several predators.  What is the major predator of open fish ponds?

birds

The water temperature of a production pond can be partially controlled by adding this substance.

well water

Liverbearer fish are easily produced in this type of production environment.

ponds

Channel catfish are produced in this type of shallow containment.

ponds

The species, size of fish, water temperature, and type of system management are all considered when determine the proper feed _________.

size

What size/stage of fish can be fed dry meal feed (mash)?

fry

List three general types of fish food.

dry

live

frozen

Most dry fish food diets should be supplemented with __________ food.

live

Name a chemical added to most city and county water supplies that is lethal fish.

chloramine

What type of measurement is made to determine the organic load of an aquatic system?

biochemical oxygen demand (BOD)

The name given to chemical water test inwhich the reagents turn color.

colorimetric

Ammonia is a waste product formed from the metabolism of this substance.

protein

A low pH value (more acidic) of aquarium water will increase the change of ammonia to ___________.

ammonium  (NH4)

List some physical stressor of fish.

temperature

dissolved gases (like carbon dioxide)

light

The fish's blood sugar level, osmoregulation, mineral metabolism, and energy level are all affected by ___________.

stress

Name the common pond protozoan that affects fish gills.

Trichodnids

Name a species of diving bird that gobble up small underwater fish.

cormorant

What type of cover can be installed to protect a pond from bird predation.

pool nets

When cleaning a fish pond, what is the common substance used to sterilize the soil of the pond?

quicklime

Describe an easy method to help control fish pond predation by snakes, frogs, alligators, and turtles.

keep pond banks mowed

What is the common method for removing turtles from a fish pond?

baited wire mesh, basket trap

Quickcure (malachite green-formalin solution) is a common treatment for this common external parasite.

Ich (Ichthyophythirius multifiliis)

Brown gill disease is caused by high concentration of this nitrogen compound. 

nitrite  (NO2)-

Lowest oxygen level for ponds with extreme concentration of algae occur at this time.

morning

List two factors that can change aquarium ammonium to toxic unionized ammonia?

increase pH number (less acid)

increase the water temperature

How does the raising water temperature affect the oxygen concentration within the water?

less

Give the name of a compound that can safely raise the pH of water (from acid to more basic).

sodium bicarbonate

Name a compound that can quickly remove toxic chlorine from water.

sodium thiosulfate

What is the quickest method of reducing a toxic chemicals in a rearing tank.

partial water change

Name the toxic gas that is commonly removed by a "packed column" or degassing column.

carbon dioxide

What is function of an ozone reactor?

sterililze large quantities of water

Name a device used to harvest large number of fish from a fish pool.

seine

This device is used to harvest trout from fast water raceways.

dip net

True or false:  The cost of farm labor, fish medications, packing-out fish, transport of fish are all fincancial considerations.

true

What is the name of the state agency that regulates Florida aquaculture?

Florida Divsion of Aquaculure

How are crayfish harvested?

wire meshed traps

Name the device used to harvest oysters.

dredge

Name a fish that is marketed as fillets, canned salted, smoked and kippered fish.

salmon

Name a recreational fish that is caught in fast moving, cold, and well aerated streams.

trout

How are fresh, whole fish transported to market.

whole fish on ice

Name a protected Gulf of Mexico fish species that is valued for its roe.

sturgeon

True or False:  Personal income a consideration for determining your buisness cash-flow?

false

Current, intermediate, and long term assests are found in this type of management statement.

balance sheet

True or False:  The demand for a fishery product depends on consumer economics,demand, eating preference, and product availability.

true

A term that describes a fish that have had their entrails removed.

drawn fish

Name the Act that established the U.S. Department of Agriculture as the lead department for aquaculture.

National Aquaculture Act

Which level of government is repsonsible for inspecting food fish?

state

Name a cichlid that is marketed as a food fish.

tilipia

The Anabantidae family can breath atomospheric air.  They are classified as _____________ fish.

labyrinth

What is an essential component of good management?

good records

True or False:  Aquaculture businessmen must consider profitability, interest, variable cost, and fixed cost before starting a business.

true

This type of business plan needs to be formulated before starting a business.

strategic plan

List some examples of business risk.

market

production

financial

human issues

What is the name given to a business ran by a single person?

sole proprietorship

True or False: A sole proprietorship does not pay taxes.

false

True or False:  In a corporation, the federal income tax is divided among the owners, employees, and shareholders.

true

Aquaculture producers must be very good at keeping business _______________.

records

The ______________ accounting method for the purpose of analysis and decision-making.

accrual

True or False:  A farm business should have a balance sheet, earning statement, and a cash flow statement.

true

Why do aqua farmers add cottenseed meal to freshly sterilized pond banks?

To promote phytoplankton bloom

What type of organism consumes production pond phytoplankton?

Zooplankton which is consumed by fish