These species are hardly fish that can survive in crowed conditions and low oxygen.
carp
Bottom feeder with whiskers
catfish
A net that fish are harvested by and dragged across the pond by human or mechanical power
seine
Long concrete structures that provide a constant flow of clean, cool water .
raceways
A technician injects the female with hormones to accelerate the ovulation process.
milking
The oxygen from the water and put it into the bloodstream.
gills
The layers in a body of water in which the drop in temperature equals or exceeds 1 c for each meter of water depth.
thermoclines
determines the oxygen level in the water
oxygen meter
The level of the oxygen that is lower than the ideal, that the producer operates that are placed in the pond.
aerators
The water that flows along the ground after a rain.
runoff