Raising Sea Fish on Land
Oakayama University of Science has a unique assistant professor, an ex-company employee who was handling rare earth, etc. He is now studying how to raise sea fish on land.
Mr. Toshimasa Yamamoto said, "Sea water is not a suitable environment for sea fish." So, he uses plain water to raise sea fish, but he adds some elements to the water, such as sodium, calcium, and potassium. These elements are necessary to control osmotic pressure. Yamamoto stressed, "Among 60 types of elements included in sea water, fish only needs these three elements for its growth and survival." According to his theory, higher density of salt in water simply makes fishes grow slowly. Yamamoto calls this new type of water literally the most suitable environment water or "Magic Water.".
So, Oakayama University of Science built some tanks containing plain water and the three elements at small density to raise some sea fishes such as eels and takifugu (tiger goldfish). The University now brings 2,300 takifugu fishes into market. It also plans to sell 800 kg of grown eels which have been fed in the most suitable environment water to grow up from elvers.
As this way of raising sea fish does not need sea water, it can be conducted even in an inland field or a mountain area.
Indeed if sea water is the most suitable environment for living things, there should not have been evolution from fish to animals on the land. And the fact that there exist freshwater fishes on the earth suggests that any sea fishes can adapt to plain water if some elements exist there.
By analogy with this scientific study, a man may live in society without money or commercialism. He or she might need only love, faith, and justice to live in the world without money economy. Indeed, money just makes growth of love, faith, and justice slow.
What happens to fish in this water?
Both freshwater and saltwater fish have body fluid with a salinity (salt concentration) of about 1%. Because this special water has a salinity close to that of their own bodies, the fish have less trouble regulating osmotic pressure than they would in seawater, which has a salinity of about 3.5%. Scientists have learned that this property of the water improves the fishes' metabolisms.
Fish control the concentration of salt in their bodies by a process called osmoregulation. Having too much salt in their body fluids would cause the fishes' cells to absorb water; having too little salt would cause the cells to lose water. Both of these conditions would be harmful to the fish.
This is special water containing only a few of the substances that make up seawater. The water was developed in an experiment aimed at making water that is habitable for both freshwater and saltwater fish and contains as few substances as possible.I think Mr. Yamamoto deserves a Nobel Prize.
This special water is called "Magic Water". It was developed by Yamamoto Toshimasa, a teacher at the Okayama University of Science Specialized Training College.
http://web-japan.org/kidsweb/hitech/fish/001.html
###
