CIRCULATING AQUARIUM AND METHOD FOR BREEDING FISH AND SHELLFISH USING THE SAME

摘要

PPROBLEM TO BE SOLVED: To provide a circulating aquarium which is equipped with a mechanism for absorbing organic materials derived from excrement, or the like, of fish and shellfish and can continue breeding of fish and shellfish, over a long time. PSOLUTION: The circulating aquarium to circulate and clean the waste water of a breeding tank to rear fish and shellfish is such that a vegetable tank containing a freshwater silicate mineral and growing plants is placed in front of the breeding tank. PCOPYRIGHT: (C)2009,JPO&INPIT