From eggs ...
... to tiny larvae ...
... to rearing tanks.
Growing algae in flasks ...
... in bags ...
... and tanks.
Laboratory equipment
On a marine farm ...
Whereas, on a koi farm ...
... after the egg and larvae stages, the juvenile fish are transferred to ponds ...
... which need to be aerated ...
... and the koi fed ...
When the fish fry are 2 grammes in weight
they are transferred to cages in the sea ...
... and grown until they are big enough to eat.
... and grown until they are big enough to sell.