Aspects of this topic are discussed in the following places at Britannica.
Fish farming as originally practiced involved capturing immature specimens and then raising them under optimal conditions in which they were well fed and protected from predators and competitors for light and space. It was not until 1733, however, that a German farmer successfully raised fish from eggs that he had artificially obtained and fertilized. Male and female trout were collected when...
We welcome your comments. Any revisions or updates suggested for this article will be reviewed by our editorial staff. Contact us here.
Regular users of Britannica may notice that this comments feature is less robust than in the past. This is only temporary, while we make the transition to a dramatically new and richer site. The functionality of the system will be restored soon.