T he pioneering efforts of Hudinaga in the successful spawning of Penaeus japonicus under
controlled conditions and their subsequent rearing upto the juvenile stage have paved way for the
large scale hatchery production of seed of penaeid prawns for aquaculture. There are two basic
hatchery techniques for mass rearing of larvae of penaeid prawns - Japanese techniques and
Galveston technique. These techniques have been appropriately modified to suit different
geographical and climatic conditions and different species of prawns used for aquaculture. Thus
m any gradations between these two techniques have been noticed in different parts of the world.
Som etim es combinations o f these two techniques have also been used
