Tanks #21 and #22 are 55 gallon tanks.Tank #21 (upper) is used to house adults.Tank #22 is used for fry growout.
Tanks #23 and #25 are 25 gallon breeder tanks for pairs.Tanks #24 and #26 are 20H gallon tanks used for fry growout.
Tank #27 is a 20H gallon tank used for fry growout.Tank #28 is a 10 gallon tank used for hatching eggs or fry growout.